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.rosemary, lavender, sage, Russian sage, thymelate-summer, autumnAdvice on growing herbsTaking rosemary cuttingsDealing with cuckoo spit on herbsPicking herbsAdvice on growing medicinal herbsVideo demonstration of planting herbs in a window boxVideo advice on how

. Space plants out to ensure good air circulation, and water early enough in the day to allow the leaves to dry out before nightfall. Also remove any garden debris that might harbour the fungus.lettucessummer to autumnMore common fungal problems

rot.Grow cultivars that have some blight resistance, such as 'Cara', 'Kondor', 'Valor' and 'Remarka'. Immediately destroy any leaves or stems showing the symptoms (never compost them), and any infected tubers. As a preventative measure, spray the crop

are your best allies. Ladybirds can be bought as a biological control, and you can also buy ladybird houses to encourage these helpful creatures to take up residence in your garden. They need time to tackle the problem, so don't expect them to hoover up

The fungus that causes this problem spreads rapidly in the warm, humid conditions of a greenhouse. It usually becomes apparent on the lowest tomato leaves from early or midsummer, which develop yellow blotches on the upper leaf surface. The leaves

insects - which have a fluffy white covering - carry on feeding on the sap, prolonging the problem. Prolific breeding in summer means the symptoms don't disappear. Young, winged, sap-feeding insects attack young bay foliage, discolouring and distorting it