It would be useful, wouldn't it, to have a list of which popular garden plants are allelopathic? I wonder if anyone publishes one? Companion planting in reverse. I feel a Google session coming on.
Have a look on the agroforestry research trust site - they have lots of publications on the specific interactions and qualities (including mineral accumulation and nitrogen fixing) of various plants, both common and uncommon
Gardening on the edge of Exmoor, in Devon
“It's still magic even if you know how it's done.”
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“It's still magic even if you know how it's done.”