
Details
An emergent perennial with broad, sword-shaped leaves and charming, tubular, blue, and purple flowers on tall spikes. The flowers attract many insects, that become prey to carnivorous plants. The leaves are large, waxy, and quite succulent. It is winter hardy and prefers growing along the water's edge. It is a prolific grower, tolerating a wide range of wet growing conditions. The rhizomes can grow rapidly, forming a nice colony of plants in a season
Michigan Seeds and Plants grown on our farm, Renegade Acres, in Howell, MI!
Certified Organic by Oregon Tilth.
Additional Info
Botanical Name | Pontederia cordata |
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Life Cycle | Perennial |
Min. Time to Germinate | 30 Days |
Max. Time to Germinate | 6 Months |
Depth to Sow Seeds | Surface Sow; press seeds gently into the soil to make good contact, but do not cover with any additional soil; these seeds require light to germinate |
When to Sow | Outdoors after all danger of spring frost is past |
Growing Height | 36-48 in. (90-120 cm) |
Plant Spacing | 3-6 in. (7-15 cm) |
Hardiness | USDA Zone 3a: to -35F, USDA Zone 3b: to -30F, USDA Zone 4a: to -25F, USDA Zone 4b: to -20F, USDA Zone 5a: to -15F, USDA Zone 5b: to -10F, USDA Zone 6a: to -5F, USDA Zone 6b: to 0F, USDA Zone 7a: to 5F, USDA Zone 7b: to 10F, USDA Zone 8a: to 15F, USDA Zone 8b: to 20F, USDA Zone 9a: to 25F, USDA Zone 9b: to 30F |
Sun Exposure | Full Sun |
Danger | Handling plant may cause skin irritation or allergic reaction, Plant has spines or sharp edges; use extreme caution when handling, Pollen may cause allergic reaction |
Bloom Color | Dark Blue |
Bloom Time | Late Spring/Early Summer, Late Summer/Early Fall, Mid-Summer |
Foliage | Blue-Green, Rubbery-Textured, Smooth-Textured |
Other Details | This plant is attractive to bees, butterflies and/or birds, Very high moisture needs; suitable for bogs and water gardens |
Soil pH Requirements | 6.1 to 6.5 (mildly acidic), 6.6 to 7.5 (neutral), 7.6 to 7.8 (mildly alkaline) |
Propagation Methods | By dividing rhizomes, tubers, corms or bulbs (including offsets), By dividing the rootball |
Seed Collecting | Allow pods to dry on plant; break open to collect seeds |
Seeds Per Pack | 5 |