Conserve water and save time by mulching with well rotted manure or garden compost after rain.
Watch out for diseases such as Mildew and Potato Blight. Caused by hot weather and high humidity at this time of year.
Vegetables
Harvesting should be in full flow now. Any disease free wast should go on the compost heap.
Lift Garlic and Shallots as the foliage turns yellow, dry in a well ventilated area for storage.
Keep harvesting Beans and Courgettes, allowing them to mature slows down production of further crops.
Sow Spring Cabbage, make a few sowings, the plants need to be big enough to get through the winter, but not so far advanced that they bolt.
Sow main crop Turnips
Sow headed Chinese Cabbage, these like the cooler late summer temperatures, high temperatures will make them bolt.
Sow Runner Beans in situ until the end of the month.
Out door cordon Tomatoes need side shooting regularly. Pinching out the growing tips (stopping) after 5 or 6 trusses can help the fruit to develop and ripen.
Feed Tomatoes with a high Potash fertilizer.
Pinch out growing tips of trailing Marrows and Pumpkins.
Keep up a vigil against garden pests, watch out for caterpillars of the Cabbage Whit Butterfly on all Brassicas.
Fruit
Pick and store summer fruiting Raspberries, Black, Red and White currants.
Keep tying in and prune any trained fruit.
Thin out Apples and Pears.
Protect ripening plums from birds and wasps.
Clean up Strawberry plants that have finished fruiting. Clear away straw from under the plant and cut off any old foliage.
Propagate new Strawberry plants from runners, plants that are more than three years old start to produce less fruits.
Greenhouse
Keep watering and feeding Tomatoes, Cucumbers, Melons, Aubergines and Peppers etc.
Feed with a high Potash fertilizer to help fruit development.
Tie in plants to supports and remove any yellowing or diseased foliage.
Ventilate and damp down the floor on hot days.
Regular harvesting of young fruits will encourage more production.
Inspect plants frequently for pests such as Aphids, White fly and Red spider mite.
Greenhouse Tomatoes will need side shooting on a regular basis.