Soil for grape hyacinths
I never planted them, but I now have an extensive crop of grape hyacinths. I don't mind, however, in one of the gardens, they grow long and limp leaves that lie down in a tangle. I gave them a trim, but I'd rather have them stand up by themselves. I'm guessing some lack in my soil, but I don't know what it might be.
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This article will help with growing these plants: https://www.gardeningknowhow.com/ornamental/bulbs/grape-hyacinth/planting-and-care-of-grape-hyacinths.htm