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USDA ZONE MAP
We want your water garden to be a SUCCESS. Individual plant descriptions, in our store, offer hardiness zones. Use the U.S.D.A. Zone Map to determine your zone. Plants hardy in your zone can be left in the pond, keeping the roots below the freeze line of the pond water. If a plant is not hardy in your zone, it must be treated as an annual and replaced yearly, unless wintered-over successfully indoors.
Click here for a more detailed USDA Zone Map with a listing by each individual state.