Pickerel weed (Pontederia cordata)
- Hardiness: Zones 4-11
- Height: 18 to 24 inches
- Flower: Soft blue flower spike appears from a leaf bract at top of stem
- Foliage: Glossy, erect, deep green leaves; slightly heart shaped with distinctive swirling
- Comments: Grows in shallow water (up to 18 inches covering the crown); sun to partial shade; can be grown in 5 gallon tub; thick creeping rootstock
- Cultivars/Species: Alba (white flowers); P. cordata var. lancelolata (narrow leaves and longer flower spikes; ht. 4 to 5 feet); Angustifolia