Common Pests & Diseases
Diseases
Generally disease-free but may be affected by powdery mildews and grey moulds
Pests
May be affected by slugs and snails, and by chrysanthemum eelworm
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penstemon 'Windsor Red' · Pests & diseases
penstemon 'Windsor Red' · Penstemon 'Windsor Red'
Grow in fertile, moist but well-drained soil in full sun or light shade in a position sheltered from frosts and drying winds; in autumn, cut plants down by two-thirds of their height and protect with a dry mulch; for more advice, see penstemon cultivation
Watering: Deep soak when top layer dries, tolerates brief dry spellsSunlight: Full sun · Partial shadeInformation to be completed