Water Plantain
Alisma plantago-aquatica
| Family: | Alismataceae |
| Genus: | Alisma (uh-LISS-muh) (Info) |
| Species: | plantago-aquatica (plan-TA-go a-KWA-tee-kuh) (Info) |
Category:
Perennials
Ponds and Aquatics
Water Requirements:
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens
Sun Exposure:
Partial to Full Shade
Foliage:
Deciduous
Foliage Color:
Bronze
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)
Where to Grow:
Danger:
Parts of plant are poisonous if ingested
Bloom Color:
White/Near White
Bloom Characteristics:
Bloom Size:
Bloom Time:
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)
7.6 to 7.8 (mildly alkaline)
Patent Information:
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
Regional
This plant has been said to grow in the following regions:
Portland, Oregon
Gardeners' Notes:
| Rating | Content |
|---|---|
| Positive | On Feb 11, 2005, melody from Benton, KY (Zone 7a) wrote: A tall spindly plant with basal leaves and a flower stalk with small white or pinkish flowers in umble-like clusters. |
