I'm growing purple broccoli, and the petals from the flower on top is forming the same day that it appears. How can I prevent this from happening so quickly?

It's forming white petals if you're curious about the color?

It's been in the 90s all week in MN USDA 4A.

  • it can help to fold the one of the topmost leaves over the flower itself - this will wind up snapping the leaf, but does not significantly affect the plant. – That Idiot May 29 '18 at 13:14

Too hot broccoli is a cold weather crop.

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