Imagine your garden is an opera......which plants ooze charisma, and are happy to be the central character? Which plants work well to support them? Which…
After flowering, flowered shoots need to be cut back by half.
Propagate rock and hybrids by basal cuttings from non-flowering shoots in spring or summer. Species can be increased by seed in autumn or spring. Annuals can be propagated by seed in spring. P.maculata, P.paniculata and their cultivators should be propagated by division in early spring or by root cuttings in winter.
Pests, diseases or disorders
Watch out for red spider mite, eelworm and powdery mildew.