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Jack in the Pulpit (Arisaema triphyllum)

Jack in the Pulpit (Arisaema triphyllum) is a unique woodland native with a hooded spathe surrounding a spadix. It prefers moist, shady environments and is known for its

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Sunlight

Partial to full shade

Watering

Consistent moisture

Soil

Rich, moist, well-drained soil

Temperature

Cool to moderate

Fertilizer

Low to moderate

Care Requirements

Light

Partial to full shade

Prefers dappled sunlight or shade, especially in warmer climates. Protect from direct afternoon sun.

Watering

Consistent moisture

Avoid waterlogged conditions during growth; reduce when dormant.

Soil

Rich, moist, well-drained soil

Temperature

Cool to moderate

Prefers cooler temperatures during its growing season and requires a cold dormant period in winter.

Fertilizer

Low to moderate

A light feeding in spring is usually sufficient. Avoid over-fertilization.

Plant Overview

Plant Type

Herb

Plant Category

Foliage

Plant Place Type

Garden, Pot

Lifespan

Perennial

Plant Height

0.2-0.6 m

Spread

0.15-0.3 m

Growth Rate

Slow

Dormancy

Yes

Leaf Color

Green

Leaf Type

Compound

Flower Size

small

Optimal Sunlight Lux

1500

Image Gallery

Synonyms
Alocasia atrorubens (Aiton) Raf.
Alocasia lobata Raf.
Alocasia triphylla (L.) Raf.
Arisaema atrorubens (Aiton) Blume
Arisaema brasilianum Blume
Arisaema deflexum Nieuwl. & K.Just
Arisaema hastatum Blume
Arisaema zebrinum G.Nicholson
Arum atrorubens Aiton
Arum triphyllum L.
Arum vittatum Salisb.
Taxonomy
  • kingdomPlantae
  • divisionTracheophyta
  • classLiliopsida
  • orderAlismatales
  • familyAraceae
  • genusArisaema
  • speciesArisaema triphyllum
Toxicity

Toxic for humans

Yes

Rating: 3/5

Toxic for pets

Yes

Rating: 3/5

Edible

No

Contains calcium oxalate crystals, causing irritation and swelling if ingested.

Additional Care Tips

FAQs