1220

Primula leaf spot

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Time to act
Time to act

Do not Time to act in January

Do not Time to act in February

Do not Time to act in March

Do not Time to act in April

Do not Time to act in May

Do Time to act in June

Do Time to act in July

Do Time to act in August

Do not Time to act in September

Do not Time to act in October

Do not Time to act in November

Do not Time to act in December

Spores carried by water and wind spread this fungus, which leaves primula foliage peppered with holes. The initial signs are spots in a yellow-orange area, or in grey, papery tissue. When the centre falls out, holes appear. Look beneath the leaves and there may also be white fungal growth.

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Symptoms

Spots on the leaves, fringed yellow-orange, possibly with white fungal growth beneath. Some spots might be white, others brown, surrounded by papery tissue. When the centres fall out, the leaf ends up peppered with holes.

Find it on

primulas

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Organic

Promptly pick off and destroy affected leaves. If leaf spot is a persistent problem, try growing your primulas under glass.