- Keep birds water topped up especially if the weather is dry.
- Keep birds feeders and drinkers clean especially in hot weather.
Trees, Shrubs and Flowers
- Summer bedding can be planted when the danger of frost has passed.
- Prune Clematis Montana straight after it has flowered.
- Prune spring-flowering shrubs such as Ribes and Forsythia.
- Prune Penstemons.
- Plant out Begonias, Dahlias and other summer bulbs/corms if you have not already done so.
- Plant out summer bedding when the danger of frost has passed, hardening off beforehand.
- Tie in climbing and rambling roses.
- Use controlled release fertiliser and water retaining gels in pots to save time on watering and feeding
- Feed actively growing plants and crops to promote strong flowers and growth. Use either a general purpose fertiliser, seaweed containing products (which will help plants cope with stressful conditions like drought, cold or transplant shock more easily) or organic fertiliser.
- Lift and divide overcrowded clumps of spring bulbs.
- Put supports in place for perennials.
- Plant summer hanging baskets.
- Feed and water plants in containers.
- Tie in Sweet Peas.
- Spray roses with a product such as Roseclear or Multirose to help keep pests and diseases at bay.
- Apply a spring and summer lawn food to green up the grass or if you have not already done so use a lawn feed and weed or moss killer.
- Mow lawns weekly and set the mower to the low summer setting.
Fruit and Vegetables
- Tuck clean straw round the base of strawberry plants to keep fruit clean as it ripens.
- Earth up potato stems and keep the soil moist.
- Support leggy peas with netting.
- Thin out direct sown carrots and then put fleece over them quickly to prevent carrot root fly attack.
- Harden off outdoor tomatoes, courgettes and pumpkins for planting early next month
- Continue with successional sowings of beetroot, carrots, turnips, swedes, salad leaves, lettuce, spring onions and radish.
- Courgettes, marrows, pumpkins and squash can be started off in pots for planting out later. You don’t need many plants to produce a good crop of courgettes – two or three will suffice.
- Plant out any earlier sowings of brassicas and put greenhouse crops like cucumbers, tomatoes, peppers and aubergines into their final places.
- Weed around onion and garlic to reduce competition for nutrients and water.
- Harvest rhubarb.
- Protect strawberries with straw.
- Put netting around soft fruits to prevent bird damage.
- Hang pheromone traps in apple and plum trees to prevent caterpillar damage.
- Keep a look out for aphids and other pests and seek ways to control them.
- Have some fleece handy to protect plants from late frosts.
- Keep on top of watering.
- Keep on top of weeds to prevent them getting out of hand.
- Keep bird baths and drinkers clean and topped up.
- Open greenhouse vents.
- Hang fly traps in greenhouses.
- Top dress pots with compost.
- Trim evergreen hedges (check for nesting birds first).
- Remove excess weed from ponds.