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| Category: Perennial |
| Family: Pontederiaceae (Water-hyacinth) |
| Origin: North America, East Coast (North America) |
| Flower Color: Blue |
| Bloomtime: Summer |
| Height: 3-4 feet |
| Width: 2-3 feet |
| Exposure: Sun or Shade |
| Irrigation (H2O Info): Aquatic |
| Winter Hardiness: <15° F |
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Pontederia cordata (Aquatic) (Pickerel Weed) - Pickerel weed is a vigorous, deciduous, emergent marginal aquatic perennial that typically grows 2-4' tall. It is native to quiet waters at stream and pond margins from Nova Scotia south to Florida and Texas. In the wild, it is frequently seen growing in dense colonies. Glossy, narrow, arrowhead-shaped green leaves, up to 10 inches long, have rounded cordate bases and rise well above the water surface. Tiny, tubular soft blue flowers (sometimes white) are densely packed into erect, 3 to 6 inch long spikes atop flower stalks typically rising 1 to 2 feet above the water surface. Plants flower freely from June to October. Flowers give way to starchy seeds with distinctive toothed ridges. Flower spikes droop after bloom, releasing the distinctive seeds into the water. Seeds are edible off the plant or can be dried and added to granola cereals. Very young leaves can be used as salad greens. Dragonflies and damselflies commonly lay their eggs on plant stems near the water surface. Fish (albeit more than just pickerel) may seek shelter in clumps of these plants, hence the common name of pickerel weed.
The information displayed on this page about Pontederia cordata is based on our research conducted about this plant from books in our nursery library as well as from information that is provided by reliable online resources. We also have included our own observations made about it as it grew in the nursery gardens and other gardens visited, as well how the crops of this plant performed in the containers when we had them in our nursery field. We also include comments received from others and welcome hearing from anyone who has information about this plant, particularly if it includes cultural information aiding others to better grow it.
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