ARISAEMA (Snow Rice-Cake Plant) Araceae A. sikokianum
HABITAT: Perennial, native to Japan. Zones 5-9.
USES: Shaded beds.
HABIT: Tuberous herbaceous perennial blooming in early summer. Waxy 6" spathes, chocolate-maroon outside; green shading to white inside, surrounding a pure white spadix. 12-15" plants composed of 2 to 3 five-parted leaves, sometimes with silver margins.
SEED GERMINATION AND CULTURE: Indoors: Sow in late winter, 8 to 10 weeks prior to planting out in spring after last freeze. Sow seeds in shallow rows and cover to their thickness with grow mix. Bottom water. Germinates in 15 to 30 days with cool nights of 55°F and warm 72°F days. Keep moist, never allow to dry out. When 4 leaves develop, transplant to 2 1/4 inch pots. After danger of frost, set outdoors in a protected area to harden for 3 days. Then plant in rich, well-drained soil high in organic matter 12" apart in shade to partial shade. Water well. Where wintersare severe, mulch in fall after hard freeze.
Outdoors: In early spring, while soil is cool, sow seeds in a raised, protected bed; cover 4 times their thickness. Keep moist. Thin to avoid crowding. Shift to permanent position in early fall..
INSECTS: Considered hardy and trouble free.
DISEASES: Considered hardy and trouble free.
PROPAGATION: Seeds and offsets.
NOTE: Good companion to Ferns and Primulas.