With apologies to the late Professor C. D. Darlington the following misquotation springs to mind ‘cactus taxonomy is the pursuit of the impossible by the incompetent’ - Fearn & Pearcy, Rebutia (1981)
I have found them to be very hit or miss from seed here in Phoenix, under my rough and ready outdoor conditions. The majority of hook-spined, Baja/Sea of Cortez mammillaria seem very challenging from seed. They love to rot. Once they get established, after a few years, they are more resilient. I bet I would have much better success if I could provide much more carefully controlled conditions for the first few years.
Late July into August is always the time when "Ferocactus" hamatacanthus sinuatus puts out bright lemon yellow flowers, very pretty. I have two of these from seed. The larger one is from the southern Texas area and the smaller, but I think better looking one is from Tamaulipas MX. I think they really belong in Hamatocactus or maybe even Thelocactus.
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from Tamaulipas, 10 years old. one gallon pot.
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Tamaulipas
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Larger plant from Texas, 15 years old, 2 gallon pot.
Great plants and flower, Peter! I also prefer Hamatocactus for these beauties.
Only when the last tree has died, the last river has been poisoned and the last fish has been caught will we realize that we cannot eat money. (Wisdom of the Cree Indians)
With apologies to the late Professor C. D. Darlington the following misquotation springs to mind ‘cactus taxonomy is the pursuit of the impossible by the incompetent’ - Fearn & Pearcy, Rebutia (1981)
some Echinofossulocactus seedling pics by request and a few other bits.The seedlings have recently just gotten hammered by several heavy rains, hope they don't rot. I am experimenting with intentional, slight etiolation this year, just to bulk them up more before winter. The plan is to tighten them up in stronger sun gradually next "spring" (February-April here).