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Penstemon richardsonii information page
germination advice, shopping cart,
all the sublists (specialist catalogues) Penstemon richardsonii is included in,
some description and snippets of information.
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The average, annual, minimum temperature zone where Penstemon richardsonii is cold hardy
USDA Zone:7 0° to 10°F (-17.5° to -12.5°C)
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