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3 Answers

You do not want broccoli to flower.  That means it is going to seed and will not form heads.  Broccoli grows best in temperatures between 75 - 85 degrees.  If the temperature goes much warmer, you need to try to keep the ground beneath your plants as cool as possible to keep it from going to seed, or flowering.  You can do this by mulching around the plants and giving them extra water.  You want heads to form, rather than flowers.  When the head is 4 - 7 inches across and the individual florets are about the size of a match head, the broccoli is ready to be harvested.

   Broccoli can be harvested more than one time during a season if you cut off the crown before it grows to full size.  If you do this, you can sometimes get three or four cuttings.  After the main or first head is cut, the rest of the plant will continue to produce samll florets, which can then be harvested several times throughout the season.  If you have a mild winter, it is possible that your broccoli will come back again next year.

by Green Thumb (1.8k points)

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