TQ wrote:
I set out a few 65-day cauliflower plants this spring and the heads are now
~2-3" in diameter. They have been well fertilized with N and are getting at
least an inch of water a week from the sky or the hose.

How do I know when they/re ready to cut? How well do they hold in the field
once they reach maturity?

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TQ
HI; I LIVE IN ZONE 5-6 St Louis MO area. I assume you have
self blanch or you are covering your heads since they turn brown in the
sun. A friend of mine let some of his get almost as big as a
basketball....I think they were Snow Crown. They were still very
tasty steamed. I am not real experienced with Cauliflower but I
would say they should be fine until at least 7-8". If not educate me.
I am growing a bunch of Brocciverde plants for the fall...cross
Brox/Caul. I'll post results. Thanks Farmer Joe