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The Plant Guide

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Jack-in-the-pulpit

Arisaema triphyllum

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A favorite of children, Jack-in-the-pulpit is a tuberous perennial producing one or two leaves, each divided into three narrow leaflets. But it’s best known for its spring to early summer display of hooded, green spathes—Jack’s pulpit—which are often striped with purple. Autumn brings clusters of densely packed, showy red berries.

CareGrow in moist but well-drained soil rich in humus with a neutral to acidic pH. Plant tubers 2-10 inches deep in autumn or spring; they prefer somewhat dry conditiions during their winter dormancy. Mulch in winter.

PropagationRemove offsets in autumn, allow to self sow.

ProblemsDamage from slugs and vine weevils. Susceptible to rust, anthracnose, leaf blight, and dasheen mosaic virus.

  • Genus : Arisaema
  • Plant Height : 1 to 3 feet
  • Zones : 4, 5, 6, 7, 8, 9
  • Bloom Time : Early Spring, Early Summer, Spring, Summer
  • Flower Color : Green
  • Moisture : Medium to Wet
  • Light : Partial Shade
  • Plant Type : Perennials
  • Characteristics : Self Seeds, Showy Fruit
  • Plant Seasonal Interest : Spring Interest
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