Arisaema dahaiense

Jack-in-the-pulpit, Cobra lily


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As they begin to emerge and unfurl, the huge trifoliate leaves catch the 30"-40" threadlike spadix appendage dangling from the white-striped, maroon-purple hooded flowers and carry it aloft in a decidedly wanton display. The horizontal rhizomes will increase over time leading to several flowering stems, becoming something about which one has no recourse but to brag shamelessly. This Jack in the Pulpit has proven itself over many years to be a stellar performer in our shade garden. There are some Jacks that languish or don't persist but this simply gets bigger and better every year. The rhizomes can push up near the surface so check in the Fall and mulch if necessary - most prudent in the event of severe winter cold. Seed-grown, some of these bulbs will flower but if not, of all the things you have waited for in your life, this surely must rate among the most worthy.


Plant Type

  • Perennial / Bulb

Mature Size

Hardiness Zones

  • Zone 6b (-5 °F)
  • Zone 7a (0 °F)
  • Zone 7b (5 °F)
  • Zone 8a (10 °F)
  • Zone 8b (15 °F)

Sun Exposure

  • Shade

Water Needs

  • Moist

Bloom Time

  • Spring
  • Summer
  • Deer Resistant Plants