Pontederia cordata
Pontederia cordata, Pickerel Weed is a vigourous aquatic marginal with upright blue flowers and attractive glossy arrowhead-shaped foliage. It forms large stands, spreading by rhizomatous growth from the boggy water's edge to about 30cm below the surface. Thought should be given to the particular location where it will be planted and whether or not it should be grown in a submerged container to restrict its growth. As always - and particularly with aquatic plants - care should be taken to ensure it does not escape the garden and become naturalised in the surrounding countryside where it can potentially invade streams and waterways. Despite these important common-sense caveats, Pontedaria cordata is an attractive water marginal with its distinctive blue flowers and lush, near-vertical foliage and creates an impressive pondside colony.
Additional Information
| Order | Commelinales |
|---|---|
| Family | Pontederiaceae |
| Synonyms | Narukila cordata, Narukila cordata var. lancifolia, Pontederia angustifolia, Pontederia cordata f. albiflora, Pontederia cordata var. albiflora, Pontederia cordata var. angustifolia, Pontederia cordata f. angustifolia, Pontederia cordata f. bernardii, Pontederia cordata f. brasiliensis, Pontederia cordata var. lanceolata, Pontederia cordata var. lancifolia, Pontederia cordata f. latifolia, Pontederia cordata var. ovalis, Pontederia cordata f. taenia, Pontederia cordata var. typica, Pontederia lanceolata, Pontederia lanceolata f. brasiliensis, Pontederia lanceolata f. ovalis, Pontederia lanceolata f. trullifolia, Pontederia lanceolata var. vichadensis, Pontederia lancifolia, Pontederia maculata, Pontederia mucronata, Pontederia nymphaeifolia, Pontederia obtusifolia, Pontederia ovalis, Pontederia rotundifolia var. nymphaeifolia, Sagittaria cerulea, Umsema mucronata, Umsema obtusifolia, Unisema acutifolia, Unisema cordata, Unisema cordata f. angustifolia, Unisema cordata f. latifolia, Unisema deltifolia, Unisema heterophylla, Unisema lancifolia, Unisema lancifolia f. trullifolia, Unisema latifolia, Unisema media, Unisema media var. albiflora, Unisema mucronata, Unisema obliquata, Unisema obtusifolia, Unisema peduncularis, Unisema purshiana, Unisema rotundifolia |
| Geographical Origin | the Americas |
| Cultivation | Full sun in a boggy water-margin. Will grow above the waterline or from up to 30cm below the surface |
| Eventual Height | 1m |
| Eventual Spread | 1-2m |
| Hardiness | Hardy herbaceous perennial |
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