Common Pests & Diseases
Diseases
May be affected by powdery mildews and rust diseases
Pests
Generally pest-free
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giant marsh marigold · Caltha polypetala
Plant from spring to autumn in full sun, in deep, rich organic soil, at the water's edge or in shallow water up to 15cm deep; mulch annually to conserve moisture
May be affected by powdery mildews and rust diseases
Generally pest-free
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