Common Pests & Diseases
Diseases
Dense plantings may be affected by grey moulds (botrytis) or the fungal disease Taphrina wettsteiniana
Pests
Generally trouble free
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hard shield fern · Polystichum aculeatum
Also known as: prickly shield fern
Grow in fertile, humus-rich well-drained soil in deep or partial shade; protect the crowns from excessive winter wet and provide a mulch around the crown to prevent crown drying out
Dense plantings may be affected by grey moulds (botrytis) or the fungal disease Taphrina wettsteiniana
Generally trouble free
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