Growing Sunflower

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23 Jun 18 Susie (USA - Zone 8b climate)
When is the last month I can successfully plant Mammoth Sunflower seeds in my zone 8b?
25 Jun 18 (USA - Zone 8b climate)
I asked that question in a FB garden group and they said to plant now
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This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. Gardenate is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
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