What to do in: November Prune spring-flowering roses as they finish blooming. Look out for plague thrips, tiny sap-sucking insects. They love to infest light-coloured flowers. Spray with Baythroid, Confidor or Yates Pyrethrum. Fertilise every plant in the garden. Dig gypsum and organic matter into clay soils to improve drainage. Sow radishes in the same … Continue reading Garden Calendar