Sagittaria NarrowText Box: SAGITTARIA NARROW (Sagittaria lancifolia) Tall stalks with long narrow leaves. Clusters of flowers on top. Can grow to 36 inches. Weather permitting we ship the tropical marginal and bog plants April through September. OUR MARGINAL AND BOG PLANTS ARE EITHER IN 2 INCH POTS OR BAREROOT Tropical marginal and bog plants will not survive the cold temperatures, if you live in zone 7 and below you might consider them to be annuals or bring them indoors in the winter