Also known as Bog Turnip · Indian Bog Onion · Indian Bog Turnip
Safety note: This plant may be toxic to humans and pets. See toxicity details.
Jack in the Pulpit (Arisaema triphyllum) is a woodland wildflower featuring a unique spathe and spadix, blooming in spring and producing red berries in fall.
At-a-glance light, water, soil, and growing conditions from plant data
Partial to full shade
25% intensity
Prefers dappled light beneath trees or shrubs. Avoid direct, intense sunlight, especially in the afternoon.
Consistent moisture, avoid waterlogging
50% intensity
Rich, moist, well-drained soil
50% intensity
Cool to moderate
50% intensity
Thrives in temperate climates. Requires a period of winter dormancy with cold temperatures to reset its growth cycle.
Light feeding
25% intensity
Benefits from a light application of balanced fertilizer or compost in spring. Avoid over-fertilization.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 3/5 intensity |
| Toxic for pets | Yes 3/5 intensity |
| Edible | No |
Contains calcium oxalate crystals, which can cause irritation and burning in the mouth and digestive tract.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Keep soil consistently moist, especially during active growth. Avoid waterlogged conditions, as this can lead to root rot. Reduce watering significantly when the plant enters dormancy in late summer or fall.
Ensure good drainage to prevent fungal issues.
Pruning is generally not required for Arisaema triphyllum. Remove any dead or diseased foliage at the end of the growing season to maintain plant health and prevent the spread of pathogens.
Wear gloves as the sap can be irritating.
Propagate by division of rhizomes in early spring before new growth emerges. Seeds can also be sown, but germination is slow and erratic, often taking several years to produce a flowering plant.
Ensure collected seeds are kept moist.
Repot only when the rhizome has outgrown its container, typically every 2-3 years. Use a well-draining potting mix. Repot in early spring before new growth begins or in fall after the foliage has died back.
Handle rhizomes carefully.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Jack In The Pulpit (Arisaema triphyllum)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Alismatales |
| Family | Araceae |
| Genus | Arisaema |
| Species | Arisaema triphyllum |
Similar in genus Arisaema
Answers based on plant encyclopedia data
