Arisaema Species, Yellow Cobra Lily, Yellow Jack-in-the-Pulpit
Arisaemaflavum

Synonym:Arum flavum

Category
Bulbs
Perennials

Water Requirements
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Light Shade

Foliage
Grown for foliage
Smooth

Foliage Color

Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Spacing
3-6 in. (7-15 cm)

Hardiness
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)

Where to Grow

Danger
Parts of plant are poisonous if ingested

Bloom Color
Pale Yellow
Bright Yellow
Green

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer

Other details

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; germinate in a damp paper towel

Seed Collecting