The RHS is to let garden designers and nurseries know whether they can use high-risk xylella host plants in the next few weeks, with olives, lavender, rosemary and other plants in the firing line.
The RHS is to let garden designers and nurseries know whether they can use high-risk xylella host plants in the next few weeks, with olives, lavender, rosemary and other plants in the firing line.
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