This is what one of my "Rudolph" plants looks like from above. At that range it looks very much like a Cauliflower.
Now take a closer look at the central bud. In close-up it looks really wierd; like something out of a Sci-Fi movie.
Further down the stem there are lots of smaller buds forming. These of course will form the main part of the crop.
Examined closely they are (hardly surprisingly) very much like miniature versions of the bigger central bud.
Now in Extreme Close-up:
They have a long way to go before they reach maturity, but they are certainly looking good at present. And do you know what the best thing is? In all the photos I took, I can't see a single aphid!
PSB is a long-term investment in the garden, occupying the ground for 10 - 12 months, depending on the variety, but I think it is worth growing because this is one vegetable which is very seldom available to buy in good condition, since it deteriorates rapidly once cut. I usually have plants of at least two different varieties in order to extend the cropping season. This year I have "Rudolph" and "Red Arrow".
Breeders have recently developed Summer variants of PSB, ones that don't require a period of cold weather to produce their crop, so you could in theory have PSB all year round. I am reluctant to try the Summer varieties because there are so many other nice things to grow in the Summer, whereas there are fewer plants that will survive the Winter and help to fill the Hungry Gap in the late Spring. This year I will be going back to growing "Tenderstem" broccoli for late Spring / early Summer use. This is midway between the Calabrese style broccoli and the PSB style, and I love it not only for its taste, but also because it is quick-growing and very prolific.