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Helianthus tuberosus tubercles information page
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germination advice, shopping cart,
all the sublists (specialist catalogues) Helianthus tuberosus tubercles is included in,
some description and snippits of information.
The average, annual, minimum temperature zone where Helianthus tuberosus tubercles is cold hardy
USDA Zone:4
-30° to -20°F (-34.5° to -29°C)
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