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Penstemon rupicola information page
germination advice, shopping cart,
all the sublists (specialist catalogues) Penstemon rupicola is included in,
some description and snippets of information.
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Penstemon rupicola
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The average, annual, minimum temperature zone where Penstemon rupicola is cold hardy
USDA Zone:5
-20° to -10°F (-29° to -23.5°C)
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