Distinctive eastern North American woodland perennial with a hooded green-and-purple striped flower spathe (the pulpit) curving over a central spadix (Jack). Emerges with the spring ephemerals but persists longer.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 4–9 | −34.4 °C to −1.1 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H6 | −20 °C to −15 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 4–8 | −29 °C to −1 °C | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 1–4 | −15 °C to 5 °C | Plant tolerates down to this zone |
Growing notes
- Flowers April–June as the deciduous canopy closes — bridge between spring ephemerals and summer woodland flora
- Followed by bright red berry cluster in late summer — a strong autumn woodland marker
- WARNING: All parts contain calcium oxalate crystals — extremely irritating to mouth and throat if eaten, source of severe poisonings, do not let children handle the berries
- Site in rich humus-laden woodland soil in dappled shade
Pet caution: Jack-in-the-pulpit is listed as potentially harmful to cats and/or dogs. Keep pets from grazing on it, and contact a vet if you suspect your animal has eaten some.
Categories
Related plants
Cross-check Jack-in-the-pulpit against your zones