On 11/09/2012 14:45, Broadback wrote:
When is the optimum time to harvest cauliflowers and broccoli? I want
the maximum size, but id left just a little too long the cauliflowers
tend to go yellow and the broccoli turn to flowers. Any pointers please?

When the curd is forming you can half snap a couple of the leaves and
fold them over to keep the light off.