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Penstemon cobaea information page
germination advice, shopping cart,
all the sublists (specialist catalogues) Penstemon cobaea is included in,
some description and snippets of information.
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Penstemon cobaea
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The average, annual, minimum temperature zone where Penstemon cobaea is cold hardy
USDA Zone:4
-30° to -20°F (-34.5° to -29°C)
Approximately 2400.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
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