Good link. But they neglect to mention that many antique roses are black spot resistant as well. I’ve never sprayed a rose for black spot, and my family has always grown roses. I’m under the impression that the tendency to black spot susceptiblity came into rose breeding with Chinas & thence into teas and then modern hybrids. I could be wrong. But I don’t grow any teas (too dicey in a climate with -20F temps in the winter) and the only rose I have which gets it is a David Austin I bought in a fit of greed in seeing its flowers. The rugosas, bless ’em, are nearly immune. My antiques are too. And the lovely books on roses by Martyn & Rix, and Peter Beales, give lists of immune/ resistant/ tolerant/ weeny varieties. Those books will however make you less resistant to buying more roses.
What differentiates a bulb from a perennial plant is that the nourishment for the flower is stored within the bulb itself.…There is something miraculous about the way that a little grenade of dried up tissue can explode into a complete flower.
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