Trees, Shrubs and Roses
Early flowering shrub roses and ramblers that have now finished flowering could be pruned by removing some of the shoots that flowered. Young trees and shrubs, planted in the last year or so, should be checked for signs of drought. Hedge clipping can continue during this period. Some hedges, such as privet, lonicera and cotoneaster need more frequent clipping than others, such as beech, holly and laurel, and this requires more effort.
Water bedding plants in pots and baskets. Because the roots have filled the pots, watering has become more critical. Feed the plants regularly, even as often once a week, because the plants are now big and need more food to keep them growing and flowering. Seeds of perennial flowers such as heleniums, delphiniums, lupins, mallows and foxgloves could be sown now for flowering next year. Take off the seed heads of ladys mantle to prevent unwanted self-sowing. Stake dahlias that become top-heavy, especially the large-flowered double forms.
Maintain lawn mowing, only raising the level of the blades one notch if the weather is dry. If there is enough rain, apply some lawn fertilizer to boost the growth of the grass into autumn. Wear and tear on a lawn in summer is quickly repaired when the weather gets cooler and the grass plants recover.
Fruit, Vegetables and Herbs
Repeat sow the salad vegetables that mature quickly. Sow spring cabbage especially in the northern half of the country. Weed control in the vegetable garden should be kept up to prevent weeds from going to seed and causing trouble in the years to come.Begin summer pruning of young fruit trees that are overly vigorous, and trained trees. removing some young shoots and shortening ones over several weeksPlant out Savoy cabbage and other winter varieties including cauliflower, if not already done. It may be necessary to continue to spray apple trees for apple scab, and pears for pear scab if there is damp weather. Pick herbs as they reach readiness and remove flowers to encourage new growth.
Greenhouse and House Plants
Take cuttings of all kinds of shrubs now, using half and half peat/sand and covering with white polythene. Use rooting powder. Continue watering and feeding greenhouse plants. Be sure to water plants in pots or grow-bags regularly. Train and side-shoot tomatoes and cucumbers. Sow seeds of greenhouse primulas and poor man's orchid for spring flowering. Continue to water and feed hippeastrum bulbs regularly.