Family: Alismataceae
Genus: Alisma (uh-LISS-muh) (Info)
Species: plantago-aquatica (plan-TA-go a-KWA-tee-kuh) (Info)
Category:
Perennials
Ponds and Aquatics
Height:
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing:
9-12 in. (22-30 cm)
Hardiness:
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)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Sun Exposure:
Partial to Full Shade
Danger:
Parts of plant are poisonous if ingested
Bloom Color:
White/Near White
Bloom Time:
Mid Summer
Foliage:
Deciduous
Silver/Gray
Other details:
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens
Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information:
Unknown - Tell us
Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
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