My Deer Garden

Is Jack-in-the-Pulpit deer resistant?

Arisaema triphyllum

Hooded flower of jack-in-the-pulpit
Photo by СССР, CC BY-SA 2.5 ca. Via Wikimedia Commons.
Rarely damaged

Deer almost always leave this alone.

Rating source: Rutgers NJAES E271

Toxic to cats and dogs if eaten

About Jack-in-the-Pulpit

Calcium oxalate crystals make every part burn the mouth, which is why nothing browses it. Dies back by midsummer, leaving a spike of red berries.

Soil and care

Soil pH
5 to 6.5
Drainage
Consistently moist
Water
Moderate
Spacing
12 to 18 in apart
Growth rate
Slow
Maintenance
Low

Similar to Jack-in-the-Pulpit

Other perennials with the same deer rating.

Where Jack-in-the-Pulpit grows

Hardy across most of these 51 states on zone range alone. Mountain and coastal areas sit outside the ranges used here, so check your own zone before ordering.

Highlighted states are within its native range according to the USDA PLANTS database, where it is native to 38 US states in total.

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Every list Jack-in-the-Pulpit belongs to.

Hardy in these zones

Common questions about Jack-in-the-Pulpit

Is Jack-in-the-Pulpit deer resistant?
Jack-in-the-Pulpit (Arisaema triphyllum) is rated Rarely Damaged on the Rutgers NJAES four-tier scale. Deer almost always leave this alone.
What hardiness zones does Jack-in-the-Pulpit grow in?
Jack-in-the-Pulpit is hardy in USDA zones 4 to 9. Outside that range it will either not survive winter or will struggle with summer heat.
Does Jack-in-the-Pulpit grow in shade?
Yes. Jack-in-the-Pulpit tolerates full shade to part shade, which makes it one of the options for a shaded bed where deer also browse.
How big does Jack-in-the-Pulpit get?
Mature height is roughly 12–30 in. Growth rate is slow.
Is Jack-in-the-Pulpit toxic to dogs or cats?
Yes. The ASPCA lists Jack-in-the-Pulpit as toxic to dogs, cats, and horses. Site it away from where animals graze, or choose something else if you have a dog that chews.