Harvesting Sunflowers - Knowledgebase Question

Perkasie, PA
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Question by wkwp
July 20, 1999
My name is Stephen Parfitt and I am 14 years old. I planted a 25 ft. row of Burpee's Mammoth Sunflowers. When they were 8 in. tall, my six sheep raided the garden and destroyed them. Then I replanted them, and they are now 8 in. tall again. If I keep them well watered, do you think I will be able to harvest their seeds before the fall frosts kill the plants?


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Answer from NGA
July 20, 1999
Yes, bar an early frost. Mammoth takes about 80 days to mature from seed, maybe a little longer since it will be well into fall when they bloom. Just keep those sheep out!

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