Growing Cauliflower

Now, I've tried plenty of the usual veggies in my garden before. Tomatoes, peppers, lettuce, herbs... But this year is my first year trying cauliflower. And I am forever indebted to Harmony Valley Farm because on our visit there a few weeks ago, I heard them mention the fact that you must TIE your cauliflower leaves to cover the new baby head of cauliflower in order to keep if white. If you don't it will turn brown! I had no idea! So I finally tied my cauliflower the other day. Well, rubber-banded it that is. I found an excellent illustration here.

What about you? Are there any last minute surprising garden tips you got wind of just in time? Or any that you didn't but wish you had?

Oh, and here's our first harvest from one of the square foot gardens, a beautiful little cucumber: