Apply mulch to bare soil to conserve moisture. Summer is a time for maintaining plant growth rather than planting more. Lettuce can be planted at this time of year but try to plant in areas with afternoon shade to prevent them ‘bolting’. It is time to dig out new potatoes ready for Christmas. Check any garlic bulbs you may have planted. Vegetables will need to be watered at least three times a week. Regular picking of beans, peas and tomatoes will encourage healthy growth.