Welcome to the warmest zone in the entire USDA system. Zone 12 has never met frost, would not recognize frost in a police lineup, and considers 60°F legitimate sweater weather. What it has instead is a wet season and a dry season, and your whole gardening life revolves around planting with the rain instead of against it. Mangoes, bananas, pineapples, and avocados grow in backyards here while the rest of the country scrapes ice off windshields. The price of admission: humidity that styles your hair without asking, hurricanes, fungal diseases with genuine ambition, and soil that is either coral rock with opinions or tropical clay that drains like a bathtub with the plug still in.

USDA Zone 12 Overview
  • Average minimum temps: 50°F to 60°F
  • Frost-free season: 365 days — freezes are essentially unheard of; once in a blue moon a freak cold snap nips the Upper Keys, but winter here is mostly a rumor
  • Average last frost: None on record in a typical year
  • Average first frost: None on record in a typical year
  • Where you’ll find Zone 12: The Upper Florida Keys, low-elevation Hawaii, Puerto Rico, and the U.S. Virgin Islands — a strong contender for the smallest USDA zone by land area in the country. In the Keys, the year splits into a hot, wet season (May–October, overlapping hurricane season) and a warm, dry “winter” (November–April) — and that dry season is your prime vegetable window. Low-elevation Hawaii varies by island and side (windward vs. leeward is a whole personality difference); Puerto Rico and the Virgin Islands run their own wet/dry rhythms. Learn your local rain pattern — in Zone 12, rainfall timing matters more than temperature ever will.

> Reality check: Frost is a fairy tale at this latitude — but heat is the boss here, not cold. Nights that stay above ~75°F shut down tomato fruit set entirely, which means your “cool-season” crops get a narrow dry-season window and your summer garden belongs to the true tropicals. Microclimates, elevation, trade winds, and rain shadows still shuffle every date in this guide, so treat them as ranges, not promises, and check your local extension service (UF/IFAS in Florida, UH CTAHR in Hawaii) for guidance tuned to your exact spot.

No frost dates to track — but variety selection matters more here than anywhere else in the country. Your extension service publishes lists of varieties bred for tropical heat and disease pressure. Use them. A mainland seed packet’s “heat tolerant” claim is marketing; a field trial result is data.

🌨 JANUARY

🥬 Vegetables — Start & Transplant

  • Start: Prime dry-season sowing! Direct sow tomatoes (heat-set varieties like Solar Fire or Phoenix — regular slicers give up when nights won’t cool down), peppers, beans, cucumbers, squash, carrots, beets, and radishes. Lettuce is a garnish crop here, not a staple — even “heat-tolerant” types bolt at the first warm spell, so sow small batches and eat them young.
  • Transplant: Set out broccoli, cauliflower, cabbage, kale, and collards — they’ll harvest before real heat arrives. Onion transplants go in now too.

🍓 Fruits — Start & Transplant

  • Start: Citrus season peaks — oranges, grapefruit, tangerines, pummelos, all heavy on the branches. Order tropical fruit trees now for spring planting; nurseries sell out of the good mango cultivars by March.
  • Transplant: Strawberries planted in fall are producing — pick every 2–3 days before the slugs file their paperwork. Pineapple crowns can go in any month; January’s mild weather is as good a time as any.

🌼 Flowers — Start & Transplant

🌳 Trees & Shrubs

Superb planting month for fruit trees — mango (Mangifera indica), avocado (Persea americana), banana (Musa spp.), papaya (Carica papaya), guava (Psidium guajava). Warm soil plus mild air means roots establish fast. In the Keys, build raised beds with imported soil first — the native ground is coral limestone that laughs at shovels. Prune only dead wood; major shaping waits until after harvest. Mulch new plantings heavily and keep mulch off trunks (volcano mulching is how you invite rot to the party).

🐛 Pests + Natural Remedies

Aphids cluster on tender new growth — blast with water, follow with insecticidal soap or neem, and let the ladybugs do performance reviews. Whiteflies in warm microclimates — yellow sticky traps, neem rotation, reflective mulch. In Florida, scout citrus for Asian citrus psyllids year-round and use horticultural oil on new flush; citrus greening (HLB) is endemic, so buy certified disease-free trees and never move citrus material casually.

🛠 Garden To-Do List

  • This is your main vegetable season — plant ambitiously, succession-sow aggressively.
  • Mulch everything 3–4 inches; even dry-season sun is intense at this latitude.
  • Run drip irrigation deep in the morning; overhead watering is a fungal welcome mat.
  • Start a compost pile with yard trimmings — it breaks down shockingly fast in the warmth.
  • In Hawaii’s wet windward areas: ensure drainage now; raised beds prevent root rot later.
  • Harvest citrus at peak and share the surplus before it drops — citrus diplomacy builds strong neighborhoods.

❄️ FEBRUARY

🥬 Vegetables — Start & Transplant

  • Start: Keep the conveyor belt moving: beans, corn, cucumbers, squash, melons. Start sweet potato slips in a jar of water on the windowsill — deeply satisfying, nearly foolproof. Last call for lettuce; it knows what’s coming.
  • Transplant: Brassicas and lettuce seedlings for succession harvests. Tuck in tropical spinaches (Malabar, Okinawan) — the greens that will carry you through summer when lettuce has long since retired.

🍓 Fruits — Start & Transplant

  • Start: Mango trees bloom — do not prune, do not fertilize, do not even look at them funny. Let the bloom happen. In humid spots, watch panicles for powdery mildew and anthracnose — copper or sulfur at the first sign.
  • Transplant: Plant banana pups, papayas, and pineapples now — they’ll establish roots before the wet season arrives.

🌼 Flowers — Start & Transplant

🌳 Trees & Shrubs

Finish planting fruit trees before the heat builds — roots need a head start. Fertilize citrus as spring growth pushes. Avocados are flowering: keep water consistent and go easy on nitrogen, which causes fruit drop (the tree equivalent of changing its mind). In Puerto Rico and Hawaii, coffee and cacao can go in now in partial shade at suitable elevations.

🐛 Pests + Natural Remedies

Spider mites appear in dry spells — hose leaf undersides weekly, neem oil, predatory mites if you’re fancy. Thrips rasp flowers and young fruit — spinosad or insecticidal soap, plus reflective mulch to confuse them. Fruit flies begin stirring — hang spinosad bait traps early, before populations go exponential.

🛠 Garden To-Do List

  • Succession-sow beans and radishes every two weeks; the harvest window rewards the organized.
  • Side-dress heavy feeders (corn, tomatoes) with compost — they eat like teenagers.
  • Get trellises up for cucumbers, beans, and luffa before they need them (they will need them suddenly).
  • In the Keys: rinse salt spray off foliage after windy days — salt burn is real and rude.
  • Sketch your wet-season strategy: which beds get cover crops, which get drainage work, which get a well-earned rest.
  • Enjoy this weather — it is the best gardening of the year, and the gardeners up north would like you to feel guilty about it. Don’t.

🌱 MARCH

🥬 Vegetables — Start & Transplant

  • Start: Direct sow okra (Abelmoschus esculentus), southern peas (Vigna unguiculata), yardlong beans, Malabar spinach (Basella alba), and luffa — the heat-tolerant crew that will carry your summer garden. Last sowing of cucumbers and squash.
  • Transplant: Final brassica transplants early in the month; after this, cool-season crops are done until fall. Tuck tropical spinaches into every gap.

🍓 Fruits — Start & Transplant

  • Start: Loquats ripen — harvest fully golden, and brace for the annual “what IS this fruit” conversation with neighbors. Jaboticaba may fruit in the Keys and South Florida.
  • Transplant: Plant dragon fruit (Hylocereus undatus) cuttings, passionfruit (Passiflora edulis) vines, and pineapples — heat-lovers that establish fast in warming soil.

🌼 Flowers — Start & Transplant

  • Start: Direct sow the last of the spring annuals, then pivot beds to heat-proof color.
  • Transplant: Gingers, heliconias, and bird of paradise for full tropical drama.

🌳 Trees & Shrubs

Mangoes are setting fruit — water consistently and mulch well; this is no time for drought stress. Do not fertilize fruiting mangoes or avocados (you’ll push leaves at the expense of fruit). Prune spring-flowering shrubs right after bloom. New citrus needs deep watering twice weekly until established — shallow daily sprinkles build shallow, lazy roots.

🐛 Pests + Natural Remedies

Hornworms on tomatoes and peppers — handpick at dusk (blacklight night hunts are weirdly fun), and spare any wearing white parasitic wasp cocoons; those are already handled. Whiteflies build on new growth — neem rotation plus sticky traps. In Hawaii, coffee growers: watch for coffee berry borer — sanitation (pick every ripe and overripe berry) is the main control.

🛠 Garden To-Do List

  • Harvest cool-season crops before they bolt — the window is closing fast.
  • Refresh mulch everywhere; the wet season (Florida/Keys) or building dry heat (leeward Hawaii) is coming.
  • Transition beds: pull spent lettuce and brassicas, plant the heat-lovers in their place.
  • Check drainage now — in Florida’s coming wet season beds must shed water; in Hawaii’s dry pockets mulch must hold it.
  • Order summer cover crop seed: sunn hemp (Crotalaria juncea) and cowpeas.
  • Fertilize palms with palm-specific fertilizer — they’re potassium hogs, and yellowing fronds are their invoice.

🌦 APRIL

🥬 Vegetables — Start & Transplant

  • Start: Direct sow sweet potatoes (Ipomoea batatas), okra, yardlong beans, and bitter melon. Plant ginger (Zingiber officinale) and turmeric (Curcuma longa) rhizomes — chunky pieces with visible eyes, 2 inches deep, in rich loose soil. Note on cassava (Manihot esculenta), which you’ll plant next month: always cook it thoroughly before eating — raw cassava contains cyanogenic compounds that cooking neutralizes.
  • Transplant: Set out tropical spinaches — Malabar (Basella alba), Okinawan, and longevity spinach (Gynura procumbens). These are the greens that thrive exactly where lettuce surrenders, and they’ll feed you straight through summer.

🍓 Fruits — Start & Transplant

  • Start: Early mangoes begin ripening late in the month — the season everyone waits all year for. Patience now; tree-ripened is the entire point.
  • Transplant: Bananas, papayas, and pineapples are still fine to plant. In Puerto Rico, early coffee cherry may be forming at suitable elevations.

🌼 Flowers — Start & Transplant

  • Start: Direct sow portulaca, vinca, and angelonia — the summer color workhorses that laugh at heat.
  • Transplant: Plumeria cuttings root easily now — let the cut ends callus for a week before planting, or they’ll rot instead of root.

🌳 Trees & Shrubs

Citrus: watch new flush for leafminer (horticultural oil; mostly cosmetic on mature trees, so don’t panic). Avocados are sizing up — keep irrigation steady, because feast-or-famine watering causes splitting and fruit drop. In hurricane zones, walk your trees and assess for weak, crossing, or dead limbs — strategic pruning now beats an emergency chainsaw later.

🐛 Pests + Natural Remedies

Leaf-footed bugs and stink bugs pierce tomatoes, peaches, and citrus — handpick at dawn into soapy water (they’re sluggish before the sun hits); kaolin clay deters them. Mealybugs colonize stressed plants — horticultural oil smothers them, and ladybugs plus lacewings handle the rest. Fungal pressure rises with humidity — copper fungicide rotation, morning watering, and spacing for airflow.

🛠 Garden To-Do List

  • Deploy shade cloth (30–50%) over any remaining tomatoes and peppers — fruit set stops when nights stay above ~75°F, and Zone 12 hits that early.
  • Water deeply in the early morning; check drip lines as demand climbs.
  • Harvest spring crops aggressively — everything declines faster from here.
  • Inventory hurricane supplies: ties, tarps, stakes, and a triage plan for container plants.
  • Compost the spent cool-season crops — the pile eats well this month.
  • In the Keys: top-dress raised beds with compost; thin coral-rock soils deplete fast.

🌷 MAY

🥬 Vegetables — Start & Transplant

  • Start: The wet season (Florida/Keys) begins — plant taro (Colocasia esculenta), cassava (Manihot esculenta), ginger, turmeric, and sweet potatoes, all of which love heat and rain in equal measure. Direct sow okra and southern peas for a last round.
  • Transplant: Tropical spinaches and sweet potato slips. Minimal other transplanting — daily downpours and steam heat are brutal on newcomers.

🍓 Fruits — Start & Transplant

  • Start: Mango season builds — early varieties ripening; do not pick early, no matter how impatient you are. Lychees (Litchi chinensis) begin in the Keys and South Florida.
  • Transplant: Hold off on new fruit trees until fall — establishing in the wet season means fighting fungus from day one, and the fungus has home-field advantage.

🌼 Flowers — Start & Transplant

  • Start: Deadhead the heat-lovers; they’ll bloom straight through the rains.
  • Transplant: Minimal — focus on maintaining what’s established rather than starting new battles.

🌳 Trees & Shrubs

Wet-season fungal pressure arrives — improve airflow with selective thinning, not heavy pruning (every cut is a doorway). Palms: remove only fully brown fronds; “hurricane pruning” weakens the tree. Bananas: cut spent pseudostems after fruiting and keep 3–4 pups per mat for the next round. Don’t fertilize during the heaviest rains — nutrients just wash straight through; wait for drier spells.

🐛 Pests + Natural Remedies

Fruit flies target ripening mangoes, guavas, and papayas — harvest promptly, destroy fallen fruit (bag it and trash it; don’t compost it), and hang spinosad bait traps. Anthracnose and other fungal diseases surge with the rains — copper fungicide, strict sanitation, maximum airflow. Slugs and snails love the wet — iron phosphate bait, applied in the evening.

🛠 Garden To-Do List

  • Hurricane season starts June 1 — prep now, not when the cone of uncertainty is pointed at you.
  • Harvest daily — in heat and humidity, produce goes from ripe to ruined overnight.
  • Ensure drainage everywhere: raised beds, no saucers under pots, clear gutters and swales.
  • Mulch to 4 inches to prevent soil splash, which is how fungal spores travel first-class.
  • Water less — the sky is handling irrigation now; overwatering plus rain equals root rot.
  • In Hawaii’s dry leeward areas: opposite problem — deep mulch and drip irrigation are essential while everyone else is bailing water.

☀️ JUNE

🥬 Vegetables — Start & Transplant

  • Start: Sweet potatoes, taro, cassava, ginger — the tropical root crew that treats June like a spa. Sow sunn hemp (Crotalaria juncea) in resting beds; it fixes nitrogen all wet season and you’ll chop-and-drop it in fall. Skip kangkong/water spinach (Ipomoea aquatica) — it’s a prohibited aquatic weed in Florida, and the fines are not the kind of harvest you want. Malabar spinach scratches the same itch, legally.
  • Transplant: Essentially none. This is survival month — the garden’s job is to persist, not to impress.

🍓 Fruits — Start & Transplant

  • Start: Peak mango season — harvest daily, and accept that your kitchen will smell like mango until further notice. Lychees and longans (Dimocarpus longan) ripen. In Hawaii, mountain apples and early avocados.
  • Transplant: None — wait for fall, when new trees won’t have to fight the wet season on arrival.

🌼 Flowers — Start & Transplant

  • Start: Maintain and deadhead; the tropicals (hibiscus, plumeria, gingers) are in their full glory.
  • Transplant: None — even the flowers are just trying to get through June with dignity.

🌳 Trees & Shrubs

Deep-rooted trees handle the wet season fine; watch young trees for waterlogging — if leaves yellow and wilt despite soggy soil, the roots are drowning, so improve drainage rather than adding water. Don’t prune during the wettest weeks — open wounds invite fungal infection the way picnics invite ants. Stake young trees before storms, not during them.

🐛 Pests + Natural Remedies

Mealybugs, scale, and the sooty mold that grows on their honeydew peak in the humid heat — horticultural oil smothers all three; follow up with neem for the encore. Whiteflies cloud up in the understory — sticky traps, insecticidal soap, neem. In Florida, iguanas feast on flowers and young fruit — netting and fencing work; check local rules before getting creative, since wildlife regulations are a maze.

🛠 Garden To-Do List

  • Harvest mangoes, lychees, and daily vegetables before they spoil — share the abundance; mango diplomacy builds strong neighborhoods.
  • Keep fallen fruit off the ground — fruit-fly sanitation is non-negotiable all season.
  • Maintain mulch; replenish wherever rain has washed it thin.
  • Check tie-downs and stakes before every tropical wave — “before” is the operative word.
  • Solarize empty beds in drier areas; in the wettest zones, cover crops are the better call.
  • Work early and hydrate — the garden will still be there at 7 a.m., and so should you.

🌞 JULY

🥬 Vegetables — Start & Transplant

  • Start: Indoors or in deep shade: start fall tomato and pepper seeds — the dry-season garden is conceived right here, in the year’s most miserable month. Outdoors, only the tropical roots (sweet potato, taro, cassava) get to play.
  • Transplant: None outdoors — it’s the hottest, wettest stretch of the year, and transplants just melt into the mulch.

🍓 Fruits — Start & Transplant

  • Start: Mango season rolls on; late varieties ripen into July. Summer avocados in the Keys, South Florida, and Hawaii.
  • Transplant: None — the only thing you should be planting in July is yourself, in front of a fan.

🌼 Flowers — Start & Transplant

  • Start: Indoors: start fall marigolds and zinnias for the dry season.
  • Transplant: None outdoors — wait for the heat to break, which it will not do for a while.

🌳 Trees & Shrubs

No pruning except storm damage — every cut is a fungal doorway right now. Leave palms entirely alone. Check young trees after every storm and restake leaning ones promptly, before the roots set crooked and the tree commits to the angle. Bananas fruiting through the wet season — prop heavy bunches so wind doesn’t snap the pseudostem at the worst moment.

🐛 Pests + Natural Remedies

Fungal diseases hit their annual peak — anthracnose on mangoes, black spot on roses, blights on anything stressed. Copper fungicide rotation, ruthless sanitation (remove infected leaves and do NOT compost them), maximum airflow. Giant lubber grasshoppers (Romalea microptera) in Florida reach full, magnificent, crop-devouring size — handpick them; they’re too big for most predators and have earned their confidence. Nematodes trouble roots in sandy soils — solarize empty beds and plant French marigolds as a biofumigant cover.

🛠 Garden To-Do List

  • Tend fall seedlings in bright shade with strong airflow — no legginess allowed.
  • Maintain mulch and drainage; clear debris from swales and drains before storms.
  • Hurricane prep at full readiness — July through September is peak season.
  • Harvest tropical fruits daily; process or share the surplus (dehydrate, freeze, ferment — mango hot sauce is a lifestyle choice).
  • Keep tools clean and dry — humidity rusts everything; a wipedown with a little oil goes a long way.
  • Rest in the air conditioning and plan the dry-season garden — it’s going to be glorious, and you’ve earned the preview.

🌻 AUGUST

🥬 Vegetables — Start & Transplant

  • Start: Continue fall seedlings indoors: tomatoes, peppers, eggplant, plus brassicas (broccoli, cauliflower, cabbage, kale) late in the month. The dry-season garden is being born in your shade house.
  • Transplant: Late August in the driest microclimates: harden off and set out the earliest fall tomatoes under shade cloth. Most gardeners sensibly wait for September.

🍓 Fruits — Start & Transplant

🌼 Flowers — Start & Transplant

  • Start: Indoors: cool-season annuals (sweet peas, larkspur, snapdragons) for fall transplanting.
  • Transplant: None outdoors yet — the heat hasn’t broken, and optimism is not a substitute for shade cloth.

🌳 Trees & Shrubs

Avocado harvest rolls on — plant multiple varieties and you can stretch the season past six months. Fertilize citrus lightly between rains. Keep staking young trees through storm season; a stake placed in August prevents a chainsaw in September. Don’t plant new trees yet — six more weeks of patience.

🐛 Pests + Natural Remedies

Fall armyworms shred young seedlings overnight — Bt or spinosad at the first ragged chewing, applied in the evening when they feed. Whiteflies lie in wait for every new transplant — have neem, sticky traps, and reflective mulch staged and ready. Keep copper fungicide on rotation; the wet season isn’t done with you yet.

🛠 Garden To-Do List

  • Prepare beds for the dry season: pull spent wet-season crops, add 2–3 inches of compost, re-mulch everything.
  • Hurricane peak — keep everything secured, harvest ahead of storms, and know your recovery plan by heart.
  • Harden off fall seedlings gradually — two full weeks of increasing sun, no shortcuts.
  • Refresh irrigation systems; the dry season will demand consistent, even water.
  • In the Keys: this is the toughest month — heat, humidity, salt, storms. Low expectations, high mulch.
  • Anticipate: September and October planting is the main event of your gardening year, and you’re almost there.

🍂 SEPTEMBER

🥬 Vegetables — Start & Transplant

  • Start: The gates open! Direct sow tomatoes (from seed is fine now — soil is warm), beans, cucumbers, squash, lettuce, carrots, beets, and radishes. The full dry-season lineup, all at once, like a garden parade.
  • Transplant: Set out fall tomatoes, peppers, and eggplant started in July/August — with shade cloth for the first two weeks while they adjust. Brassica seedlings go out late September.

🍓 Fruits — Start & Transplant

  • Start: Order garlic, shallots, and onion sets for October/November planting — the good varieties sell out.
  • Transplant: Strawberries go in late September in the Keys and South Florida — the famous winter berry season starts here, months before anyone up north sees a strawberry that wasn’t shipped.

🌼 Flowers — Start & Transplant

🌳 Trees & Shrubs

Prime tree-planting season opens — mango, avocado, citrus, lychee, longan, starfruit (Averrhoa carambola), guava, jackfruit. Container-grown trees planted now get the entire dry season to establish before next summer’s deluge. Fertilize citrus lightly; hold the heavy feeding until the rains fully retreat.

🐛 Pests + Natural Remedies

Cabbage loopers and diamondback moths hit new brassicas on arrival — weekly Bt until plants are established and can take a punch. Whiteflies persist into the transition — keep the full defense stack deployed (traps, neem, reflective mulch). As rains taper, spider mites may appear — hose leaf undersides weekly before they build.

🛠 Garden To-Do List

  • Hurricane season still active — stay prepped through November and harvest ahead of every storm.
  • Mulch every new transplant immediately — September sun is still fierce at this latitude.
  • Install row cover over brassicas from day one; the loopers are already watching.
  • Side-dress fall crops with compost 3–4 weeks after transplanting.
  • Ease into the dry-season watering rhythm: deep, morning, consistent.
  • Journal the fall plantings — varieties and dates become next year’s cheat sheet, and future-you says thanks.

🎃 OCTOBER

🥬 Vegetables — Start & Transplant

🍓 Fruits — Start & Transplant

  • Start: Citrus season begins — satsumas and early tangerines first. Taste before stripping the tree; citrus doesn’t ripen off the tree, and patience is the whole flavor.
  • Transplant: Blueberries won’t work here — Zone 12 delivers essentially zero chill hours, so plant jaboticaba (Plinia cauliflora) and Barbados cherry (Malpighia emarginata) instead and never look back. Tropical fruit trees: keep planting — this window stays open for months.

🌼 Flowers — Start & Transplant

🌳 Trees & Shrubs

Arguably the best tree-planting month of the year — warm soil, mild air, and the whole dry season ahead for establishment. Water new plantings deeply twice weekly until they’re settled. Prune out dead wood from storm season. In Hawaii, the wet season’s arrival means free irrigation — excellent planting weather on the windward sides.

🐛 Pests + Natural Remedies

Aphids arrive on cool-season transplants — water blast, insecticidal soap, neem, ladybug reinforcements. Slugs and snails reactivate as nights cool slightly and moisture lingers — iron phosphate bait. Fruit flies are still active on late tropical fruits — keep the traps out until the last harvests come in.

🛠 Garden To-Do List

  • Plant garlic, onions, and strawberries — the set-and-forget fall crops that pay rent all winter.
  • Mulch strawberries with pine straw (Florida) or clean straw — keeps berries off the soil and the soil off the berries.
  • Sow cover crops (sunn hemp, cowpeas) in any bed resting through the dry season.
  • Service the irrigation — the dry season runs on it, and a clogged emitter is a dead plant.
  • Harvest fall tomatoes as they ripen — October tomatoes in Zone 12, grown from heat-set varieties, are absurdly good.
  • Photograph everything for the journal — the “before” shots make great “after” shots.

🍁 NOVEMBER

🥬 Vegetables — Start & Transplant

  • Start: Direct sow fava beans, lettuce, radishes, carrots, and peas. Keep the succession lettuce rolling — it’s a relay race, not a marathon.
  • Transplant: Finish cool-season transplants early in the month. Garlic and onions should be in — keep them weeded and watered, since weeds in Zone 12 grow with insulting enthusiasm.

🍓 Fruits — Start & Transplant

  • Start: Citrus harvest accelerates — navels, tangerines, grapefruit, pummelos. In Hawaii, coffee cherry ripens (pick red, process promptly — quality lives or dies in the first 24 hours).
  • Transplant: Continue planting tropical fruit trees — the window stays open all dry season, so there’s no excuse left.

🌼 Flowers — Start & Transplant

  • Start: Last sowing of sweet peas and cool annuals early in the month.
  • Transplant: Keep the pollinator plants coming — pentas and porterweed bloom nonstop and the butterflies have opinions about consistency.

🌳 Trees & Shrubs

No frost to prepare for — instead, enjoy the planting season, the actual reward for living here. Prune only dead or damaged wood. Mango and avocado trees: complete hands-off until after their spring bloom; they’re working. In the Keys, this is the pleasant season — schedule your heavy garden projects now, when the air doesn’t feel like soup.

🐛 Pests + Natural Remedies

Pest pressure eases as the dry season settles — the gentlest stretch of the year, savor it. Watch for scale on citrus and ornamentals; horticultural oil handles overwintering populations (though “winter” is doing a lot of heavy lifting in that sentence). Mealybugs on ornamentals — alcohol swabs for spot treatment, oil for the broad campaign.

🛠 Garden To-Do List

  • Hurricane season officially ends November 30 — stand down the storm prep and do a post-season assessment: what survived, what needs replacing, what needs better staking next year.
  • Compost the year’s debris — it breaks down fast in the warmth, which is the upside of everything.
  • Reduce irrigation frequency as growth steadies, but never let new plantings dry out completely.
  • Harvest sweet potatoes at maturity — they don’t need frost protection here, just a timely dig.
  • Plan holiday harvests: citrus, fresh herbs, tropical fruits, and cut flowers are elite-level gifts.
  • Soil test if you haven’t — dry-season amendments integrate beautifully into warm, biologically active soil.

⛄ DECEMBER

🥬 Vegetables — Start & Transplant

🍓 Fruits — Start & Transplant

  • Start: Peak citrus — navels, grapefruit, tangerines, Meyer lemons, kumquats, limes. Avocado varieties continue their relay. In Puerto Rico and Hawaii, this is prime harvest season across the board.
  • Transplant: Keep planting tropical fruit trees — bare-root isn’t a thing in the tropics; container-grown trees plant any month, and December’s mild weather is ideal.

🌼 Flowers — Start & Transplant

  • Start: Direct sow more sweet peas and cool annuals — or just enjoy what’s already blooming, which is plenty.
  • Transplant: Refresh tired annual beds with new pentas and salvias.

🌳 Trees & Shrubs

Plant, plant, plant — December might be the finest planting month in Zone 12: mild, dry (Florida/Keys), with months of perfect growing weather ahead. Prune hibiscus lightly to shape after flowering flushes. In Hawaii’s wet season, hold off on heavy pruning — fungal pressure is high and every cut is an invitation.

🐛 Pests + Natural Remedies

Lowest pest pressure of the year in the dry season — enjoy it while it lasts. Horticultural oil on citrus and ornamentals for scale and mite eggs. Sanitation now pays spring dividends: clear fallen fruit and leaves to break disease cycles before the wet season returns.

🛠 Garden To-Do List

  • Harvest cool-season crops at their peak — December vegetables in Zone 12 are the envy of the gardening internet.
  • Inventory seeds; order new varieties; try something tropical and weird (winged beans! luffa! pigeon peas!) — this zone rewards experimentation more than any other.
  • Clean and oil tools — humidity never sleeps, even in the dry season.
  • Top-dress beds with compost — the soil food web works year-round here, so feed it year-round.
  • Share the harvest — December citrus and papaya boxes make legendary gifts.
  • Rest where you can. January starts the cycle again, and in Zone 12, the garden never truly sleeps — it just changes costumes.

🌟 Zone 12 Success Strategies

✔ The dry season (roughly November–April) is prime vegetable season.
✔ Wet summers belong to tropical crops and cover crops only.
✔ Tomatoes need true heat-set varieties — nights above ~75°F stop fruit set cold.
✔ Lettuce is a garnish crop; grow tropical greens (Malabar, longevity spinach) for real harvests.
✔ Zero chill hours means zero stone fruit and blueberries — plant tropical fruits instead.
✔ Drainage is critical — raised beds over coral rock or clay.
✔ Mulch heavily year-round; the sun never takes a day off.
✔ Fertilize lightly but frequently — heavy rains leach nutrients fast.
✔ Weekly pest monitoring — in this heat, problems go exponential in days.
✔ Airflow beats fungicide — space generously and prune for circulation.
✔ Choose varieties bred for tropical heat and disease pressure.