I see that Luther Burbank wrote a book on the subject around a hundred years ago. But I don't have access to that book. Was he, or anyone else, successful? I thought that I had seen something like ...
These days, the seeds on display in garden centres are usually a mix of F1 hybrids and traditionals. And F1 seeds are invariably priced a quid or a couple of quid extra. My question to expert ...
I suspect the answer is yes, because they are the most diverse group of cacti. The reason I ask is that we actually have four varieties/species and I'm having a lot of trouble identifying them! The ...