🍬 Criolla Stevia

Stevia rebaudiana 'Criolla'
The humid-climate stevia: a broad-leafed heirloom landrace that handles sticky summers better than fussy selections.
Sun
Full sun, 6-8 hrs
Days to harvest
Perennial in warm zones; harvest leaves from 8-10 weeks after planting
Spacing
18-24 inches apart
Soil pH
6.0-7.0
Zones
Zones 9-11 as a perennial; grown as an annual in colder zones

What it looks like

Stevia rebaudiana (species) — Das Suesskraut, lat. Stevia rebaudiana 02. Photo: Plenuska, CC BY-SA 4.0.
Stevia rebaudiana, the species (no verified photo of ‘Criolla Stevia’ itself exists). Das Suesskraut, lat. Stevia rebaudiana 02. Photo: Plenuska, CC BY-SA 4.0.
Stevia rebaudiana (species) — Stevia-rebaudiana-total. Photo: Sten Porse, CC BY-SA 3.0.
Stevia rebaudiana, the species (no verified photo of ‘Criolla Stevia’ itself exists). Stevia-rebaudiana-total. Photo: Sten Porse, CC BY-SA 3.0.
Stevia rebaudiana (species) — Stevia rebaudiana-3-xavier cottage-yercaud-salem-India. Photo: Yercaud-elango, CC BY-SA 4.0.
Stevia rebaudiana, the species (no verified photo of ‘Criolla Stevia’ itself exists). Stevia rebaudiana-3-xavier cottage-yercaud-salem-India. Photo: Yercaud-elango, CC BY-SA 4.0.

Why this variety

Criolla is stevia the old way: a heirloom landrace, the kind of plant that existed before breeders started optimizing glycoside ratios, with broader leaves and a slightly more bitter aftertaste than modern selections like Morita. That sounds like a drawback until you garden in humidity, where Criolla’s real talent shows — it is more resilient in hot, sticky, subtropical conditions than many pampered cultivars, which is exactly the trade a Florida gardener wants to make.

The broader leaves are part of the appeal too. Criolla gives you more leaf per pick, and for teas and drying, leaf size matters — fewer leaves to strip for the same jar. The flavor is still unmistakably stevia, sweet with a herbal edge, and in a strong cup of tea with lemon or mint, the extra bitterness disappears into the blend.

Think of Criolla as the workhorse and Morita as the show horse. If your garden is humid, your soil is sandy, and your summers are long, Criolla is the plant that keeps producing while fussier stevias sulk. Landraces survive because they are tough, not because they are trendy.

For the general picture, start with the Stevia growing guide — this guide covers what makes Criolla Stevia different.

How to grow

Plant in spring after the last frost, in full sun and well-drained soil, spacing plants 18 to 24 inches apart to give those broad leaves airflow — humidity tolerance does not mean crowding tolerance, and airflow is still the best mildew prevention you have. Mulch to hold moisture and keep soil from splashing onto leaves.

Pinch tips for bushiness and pinch flower buds to prolong leaf harvest, just as with any stevia. Criolla is vigorous, so do not be shy about cutting it back by a third mid-season; it rebounds fast and the new growth is the sweetest growth.

Florida note: Criolla is one of the better stevia choices for the state’s humidity, and it performs as a perennial in zones 9-11. In the hottest, wettest months, morning sun with a little afternoon shade keeps leaves from scorching, and a raised bed keeps roots out of summer puddles.

Water & feeding

Water steadily and mulch to hold moisture — stevia wilts dramatically in drought and then recovers dramatically with water, a cycle that costs you leaves every time it happens. Keep soil evenly moist but never waterlogged, and feed lightly with compost or worm castings; heavy nitrogen grows big, watery leaves with less sweetness. Pinch flower buds as they appear, because once stevia flowers it puts its energy into seed and leaf production falls off a cliff. In sandy soil, a little extra compost at planting pays for itself all season.

Common problems

  • Flowering and decline — the plant’s natural endgame. Pinch buds relentlessly and take cuttings in late summer so you always have young plants coming on.
  • Root rot in wet soil — stevia hates standing water. Raised beds or pots with drainage are the fix in rainy summers.
  • Frost — one cold night ends the season outdoors. Pot-grown plants come indoors before the first frost and live to sweeten another year.
  • Weak, flavorless leaves — usually seed-grown plants of unknown genetics, or over-fertilized plants. Named cultivars and modest feeding are the answer.

Harvest

Pick mature leaves from 8 to 10 weeks after planting, before flowering, and dry promptly for the best keeping quality. Criolla’s broad leaves dry fast and crumble easily, which makes processing a big harvest a quick job rather than an afternoon project.

Use dried leaf in teas and baking, blending with a little Morita leaf if you want a cleaner taste, or use Criolla straight in strong-flavored drinks where its herbal edge is an asset. A jar of dried Criolla leaf is a pantry staple, not a novelty — it sweetens all winter, long after the plant has gone indoors or gone to seed.

Harvest leaves before the plant flowers, when glycoside levels are highest, and use them fresh or dried — dried leaves crumble easily into teas and baking, and a small jar of dried stevia leaf outlasts a bag of sugar packets by months. Taste as you go: stevia is intensely sweet, so a little leaf goes a long way, and the aftertaste varies by cultivar, which is exactly why growing a named selection beats a mystery seedling.

Nerdy fact: Criolla is a landrace, not a laboratory cultivar — a plant shaped by generations of farmers saving seed from the plants that survived their climate, rather than by a breeding program optimizing one chemical. That is why it handles humidity better than many modern selections: it was selected by weather, not by a lab, and weather is a stricter judge.

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Saving seeds

Criolla is a stevia heirloom landrace, so it comes true from seed — save seed from your best plants and let it dry fully before storing. The full method is in the Saving seeds section of the Stevia guide.