Yaupon holly (Ilex vomitoria)

Also known as: Cassina, Black drink holly

⚠️ Safety note: REQUIRED: This is a caffeinated plant (North America's only naturally caffeinated native plant, with caffeine levels roughly in the range of tea). Limit intake like any caffeine source; people sensitive to caffeine, who are pregnant, or who have heart conditions should be cautious. Use LEAVES only – the red berries are mildly toxic and should be left out of tea and kept away from children. The species name 'vomitoria' is a colonial-era myth: early observers wrongly blamed the tea for vomiting seen in ritual purges (which had other causes); the tea itself does not cause vomiting in moderate amounts. Do NOT confuse yaupon with other hollies: gallberry (Ilex glabra) looks similar but a classic comparative study of American Ilex species found NO detectable caffeine in gallberry, dahoon, American holly or others – and it is not a tea plant. Harvest only from unsprayed areas (never ornamental nursery stock treated with pesticides).

Quick Facts

• Edible parts: Leaves only (roasted for caffeinated tea).
• Part: drink
• Season: Leaves can be harvested year-round in Florida; many foragers prefer late fall through winter when plants are vigorous and berries are visible, making identification easy.
• Type: shrub
• Where in Florida: Native statewide: vouchered from the Panhandle south through the peninsula to about Brevard, Highlands and Sarasota counties; most common and vigorous in North and Central Florida. Found in scrub, dunes, floodplains and hammocks.

How to Recognize It

A densely branched evergreen large shrub or small tree (8-20+ ft) common in Florida scrub, dunes, flatwoods and hammocks. Small (under 1 inch) oval, leathery, dark green leaves with scalloped (crenate) edges grow alternately on slender branches; smooth whitish-gray bark. Female plants carry clusters of small bright-red berries about 1/4 inch across in fall and winter.

How to Eat It

Well-established: pick clean green leaves (leaving the red berries behind), wash, and dry them for several days; then roast lightly in an oven or skillet until fragrant and dry, and steep 5-10 minutes in boiling water. Leaves can also be dried and used fresh. The tea is low in tannins, so it rarely turns bitter even with a long steep; it is brewed alone or blended with mint or other herbs.

Yaupon is abundant and resprouts readily, but harvest lightly: take leaves from several shrubs rather than stripping one plant, leave the berries for birds and wildlife, and leave enough foliage for the plant to thrive. Florida commercial tea producers increasingly use agroforestry rather than wild-harvest; backyard growers can plant their own yaupon and prune it as a hedge.

Florida's own caffeine crop: yaupon was the ceremonial 'black drink' of the Timucua and other Florida tribes, and Florida companies are now producing yaupon tea commercially from wild and cultivated plants.

🌱 Fun fact: Archaeological residues in ceremonial cups at Cahokia (Illinois) show yaupon was being brewed and traded as early as 1050-1250 AD – one of the oldest documented beverages in North America.

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🌿 Also see the native-plant profile for this same species: Yaupon Holly (Ilex vomitoria) — growing notes, habitat, and landscape use.