Quick answer: Jack-in-the-pulpit (Arisaema triphyllum) is native to 14 states. What's commonly sold under this name is the true wild species. It's typically bulb, verified 15 Sep 2026.
Where it's native
Listed in the register as native to these states. Click a state for its full native-plant guide.
Growing conditions
From the Lady Bird Johnson Wildflower Center Native Plant Database.
| Sun | Sun, Shade |
|---|---|
| Water | High water, Moist-Wet |
| Soil | Humus-rich, moist soils |
| Bloom | Bloom Mar-Jun |
| Height | Up to 2 ft tall |
| Wildlife value | Birds and mammals eat berries |
Berries, foliage, roots contain calcium oxalate crystals and acrid substances causing painful irritation of mouth/throat if ingested; roots can cause skin blisters if touched
Buying it
Sold true to the wild species as of the last check (15 Sep 2026), via Amazon.
Sold as: Bulb via Amazon · listing verified 15 Sep 2026
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