- Continue to plant vegetables directly into the ground and under glass for a succession of crops.
- Select seeds and buy from Dobies
Thompson & Morgan
- Order and prepare raised beds for growing vegetables and flowers from Suttons and Harrod Horticultural.
- Cut back hardy fuchsias to just above soil level as strong new basal growth appears.
- Sow seeds of tender bedding plants in a heated propagator or in trays on a warm windowsill.
- Plant perennial herbs such as marjoram, mint, rosemary and sage.
- Lift and divide congested clumps of perennials.
- Plant out bulbs grown for indoor use which have finished flowering.
- Mow the lawn weekly or more often if necessary; frequent mowing encourages dense growth.
- Remove winter protection from containers when the risk of hard frost has gone, and top-dress or replant overgrown or pot-bound plants adding a slow-release fertiliser.
- Apply a spring fertiliser to established lawns once they are actively growing and cut grass when it is about 8 cm (3 in) high.
- Hoe, mulch beds and borders and be on the lookout for all pests.
- Mulch while the soil is moist to reduce the need for watering and to keep down weeds.
- Prune deciduous spring-flowering shrubs over three years old as they finish flowering.
- Stake border plants to provide support as they grow.
- Feed seedlings and young plants which are growing poorly or have pale, yellowing foliage.
- Start to cut lawns with nuturalised bulbs; make the first cut high.
Spring oinons, carrots and dwarf french beans sown in a raised bed in May. Showing good growth in July.
- Sow seeds:-
- runner beans
- sweetcorn, marrows, squashes and cucumbers.
- bedding plants such as African marigolds, petunias, lobelia and antirrhinums.
- begonias and pelargoniums.
- quick-growing perennials.
- Organise shading for the greenhouse using blinds, shading nets or a shading wash.
- Ventilate cold frames and the greenhouse whenever possible to encourage sturdy plant growth.
- Water and feed plants in the greenhouse regularly.
- Click here to see a choice of automatic irrigation and drip feed systems.
- Sow french and runner beans, cauliflowers, summer broccoli, cucumbers, lettuce, oriental greens, cress, chicory, spinach, beets, cabbages and salsify.
- Erect supports for climbing beans.
- Plant out celery and celeriac, lettuce and runner beans that have been raised inside.
- Harden off aubergines, courgettes, marrows, peppers, pumpkins and tomatoes grown from seed before planting outside.
- In warmer parts of the country you can transplant sweetcorn, tomatoes and peppers outside, but harden off the plants first.
- Cover germinating carrots with anti-carrot-fly netting.
- Look out for caterpillars on fruit. Pick off any with leaf miner larvae or mildew on and be on the alert for slugworm damage. Set pheremone traps.
- Thin peaches, apricots and green gooseberries; if mildew appears on gooseberries, prune out worst infected shoots and water well at the roots.
- Check raspberry canes for raspberry beetle, spur blight and cane midge.
- Thin the young canes to allow air to circulate.
- Thin grape bunches on vines: feed with manure water or comfrey tea.
- Water strawberries and, if growing under cover, ventilate to allow bees access.
- Cover the ground under strawberries with straw or matting to protect the ripening fruit from mud and from slugs and other pests.
- Make sure fruit trees and bushes have sufficient water while the fruit is setting otherwise fruitlets are often shed.
- Sow fast-maturing and late-flowering annuals directly into their flowering position.
- Move overwintered hardy annuals to their final flowering position.
- Harden off hanging baskets and windowboxes ready to put in position outdoors when all danger of frost is over.
- Plant both dormant dahlia tubers and young plants.
- Plant out hardened off annuals when all danger of frost is over.
- Create a summer display in a container
- Remove faded flowers from daffodils, hyacinths and tulips.
- Take cuttings from summer-flowering clematis.
- Plant out annual climbers.
- Begin feeding plants in containers and continue through the summer.
- Sow sweet peas directly into their flowering position.
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(c) Compiled by B V & T M Wood.