Common Pests & Diseases
Diseases
Powdery mildews or a downy mildew may be a problem
Pests
May be attacked by slugs, snails, glasshouse red spider mite, and leaf and bud eelworm
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penstemon 'Midnight' · Penstemon 'Midnight'
Grow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plants overwinter with dry winter mulch
Powdery mildews or a downy mildew may be a problem
May be attacked by slugs, snails, glasshouse red spider mite, and leaf and bud eelworm
Explore the plant health library →