Harvesting Sunflowers - Knowledgebase Question

Perkasie, PA
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?

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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