We grow plants hardy in Zone 5 (and some to Zone 4). 

See also:
 Arisaema care and propagation

Arisaema seeds and tubers

Arisaema candidissimum 

Description: Three-part leaves and white or pink hoods over the spadix. It produces a clump over time. Hardy to at least Zone 5 (deep planting recommended). Sometimes late to emerge in the spring.  It may also be grown in deep (14in.+) containers and the tubers stored in the fridge over winter in slightly damp peat moss.

Arisaema consanguineum (Jack-in-the pulpit, Cobra Lily) 

Description: H150cm.H150cm. A tall umbrella of leaflets shades a green/purple cylindrical spathe that ends in a long tail. This is a plant from open forests and hillsides in Northern India, Thailand and into China. Blooms early summer. Hardy to Zone 5 (deep planting and winter protection is recommended) 

Where to Use:Part sun/Part Shade. Fertile, well-drained soil. This species is sometimes slow to emerge in the spring (May-June), so mark where the tuber is buried. It may also be grown in deep (14in.+) containers and the tubers stored in the fridge over winter in slightly damp peat moss.

Arisaema flavum (Yellow Cobra Lily)

 Description: H30-40cm. This species is unusual for its inflorescence with a yellow hood, accompanied by bright green leaves. Flowering in early summer, it is a vigorous grower and multiplies well. Native from Ethiopia to Western China where it grows in open forests and rocky areas. Hardy to Zone 4

Where to Use: A. flavum withstands more sun and drought than other Arisaema, but will still grow in a partly shaded garden. It may also be grown in deep (12in.+) containers and the tubers stored in the fridge over winter in slightly damp peat moss.

Arisaema fargesii (Cobra Lily)

Description: H60cm, W60cm; Bold, glossy leaves are followed in summer by a spectacular striped purple/white spathe (5-10cm) forming a hood over the spadix and ending in a tail. In the fall fertilized stalks form a cluster of red berries and the foliage turns bright yellow. Native to Western China. Hardy to at least Zone 5 (winter protection recommended).

Where to Use:Part sun in well-drained soil. Tubers will form large clumps over time. It may also be grown in deep (14in.+) containers and the tubers stored in the fridge over winter in slightly damp peat moss.

Arisaema sikokianum (Cobra Lily)

Description: H50cm. A stunning inflorescence composed of a large, round, snow-white spadix backed by a shiny, purple/black hood. A pair of large tripartite leaves frame the bloom. Native to woodlands in Japan, this species blooms in spring. Hardy to Zone 4 (Good drainage and a winter mulch are recommended)

Where to Use:This is a highly desirable species for the shade/woodland garden. Sandy soils with organic matter will provide good growing conditions. Some plants emerge very early in the spring and will need to be covered if there is frost. It may also be grown in deep (14in.+) containers and the tubers stored in the fridge over winter in slightly damp peat moss.

Arisaema triphyllum (Jack-in-the-pulpit) 100 Mile

Description: H30-90cm, W40cm; green/purple striped hoods followed by red cluster of berries; spring

Natural Habitat: Shade; Moist woodland soil

Where to Use: Woodland, Shade/Part shade garden, Specimen plant

Combinations: Ferns, Asarum (Wild Ginger), Smilacena (False Solomon's Seal), Tiarella (Foam Flower), Podophyllum (Mayapple), Uvularia (Bellwort)

Coming Soon:

Arisaema tortuosum
Arisaema dracontium
Arisaema ciliatum var. liubaense
Arisaema heterophyllum
Arisaema jacquemontii

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