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-magnesium carbonate to the soil in autumn or winter to remedy the deficiency for next year.potatoes, apples, cherries, grape vines, tomatoes, camellias, rhododendronssummer, autumn, winterMore common plant problemsCanna virusRaspberry nutrient deficiencyHollyhock rust
, including aphids and codling moths, which attack apple and pear trees. You often find earwigs in holes in fruit, but they rarely caused the initial damage.Earwigs like to nibble soft, young leaves and petals, leaving large ragged holes. Older leaves may
tiny areas of leaf tissue, causing dead, brown patches. As the leaf grows, these areas tear causing a multitude of small holes. On apples, they leave raised bumps and scabby patches.The uppermost leaves on plants have small, brown-ringed holes, while
-summerKeeping other moths at bayCabbage white caterpillars on brassicas and nasturtiums.Codling moth on apples, pears, quince and walnuts.Mullein moth on verbascum, buddleja and figwort.Caterpillars on any plants.