Indeed! Alkaline for all other brassicas. I'm afraid I always assume others know more than me and the acid for florets was the advice of our postman here in Co Cork.
Is your postman well known for a sense of humour? Or does he regularly win first prize for his PSB and caulies, despite everyone else taking his advice to grow them in acidic soil? 🤔 A case of him hoping you do as he says, rather than as he actually does? 😉
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Please, Miss! I don't know but that's what he told me when I had no luck with caulis. As age decrees I should cut back on the range of crops I grow, I've never grown caulis since, but I usually do fairly well with PSB in our manury soil, and cabbage and sprouts with chicken manure pellets and lime granules in the dibbed holes I plant them in.
What pH do brassicas prefer? No idea. But if you add tonnes of lime to a very peaty and buffered Fenland soil, the sort of soils in which they grow brassicas commercially, I doubt if it makes much difference.
They do, though, need Calcium.
location: Surrey Hills, England, ex-woodland acidic sand. "Have nothing in your garden that you don't know to be useful, or believe to be beautiful."
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A case of him hoping you do as he says, rather than as he actually does? 😉
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
They do, though, need Calcium.
"Have nothing in your garden that you don't know to be useful, or believe to be beautiful."