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Arisaema intermedium

Also Known As

  • Intermediate Jack in the Pulpit

Plant type

perennial, bulb / corm / tuber, aroid

size

  • H: 12"-20"
  • W: 8"-18"

planting zones

  • 6a-9b

More Options

Arisaema intermedium plant details

Arisaema intermedium is a broadleaf deciduous perennial aroid bulb / corm / tuber with green foliage. In spring and summer green flowers emerge. Grows well with mostly sun - mostly shade and even moisture - regular water. Does well in average, rich and well-drained soil. A good option if you're seeking something humidity tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Arisaema intermedium

Plant type: perennial aroid bulb / corm / tuber
Plant family: araceae
Foliage: deciduous green
Mature size: 8 IN - 18 IN - wide, 12 IN - 20 IN - tall
Flowers: green blooms in spring and summer

GROWING CONDITIONS for Arisaema intermedium

USDA Zones: 6a - 9b
Sun exposure: mostly sun - mostly shade
Watering frequency: even moisture - regular
Resistant to: deer and rabbit, humidity and verticillium wilt
Soil needs: average, rich and well-drained

Nursery contributed plant descriptions

Arisaema intermedium is closely related to A. costatum and A. speciosum. It has green, sometimes purple-flushed, spathes with subtle white striping. Its most intriguing characteristic is the long thread-like spadix appendage which usually gets caught on t
Blooms: spring, Trifoliate foliage. Green spathe with long green whip like spadex that is often a couple of feet long. Very strange looking. Zone 6-8. Himalayas, part shade, moist, humus rich well drained.
From the Himalayan Mountains. Requires mulch for protection in colder areas. Intermediums Spadix has more twists and turns than a switch back canyon, but without the nausea. Healthy Full Size Bulbs. Best handled and transported during the cold season.

Gardening facts about Arisaema intermedium plant

How to Grow Arisaema intermedium

  • Sun Exposure

    • mostly sun - mostly shade
  • Water Needs

    • even moisture - regular
  • Soil Needs

    • average
    • well-drained
    • rich
  • Special Situation

    • humidity tolerant
    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • green
  • Wildlife

    • deer resistant
    • rabbit resistant
  • Flower Season

    • spring
    • summer
  • Foliage Season

    • deciduous

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