Flowers

On the forum: share your growing tips with other gardeners and ask for advice

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Fruit and veg

  • Check crops such as runner beans regularly for aphids, and rub or wash them off straight away, before they multiply
  • Water thirsty plants such as celery, beans, peas, courgettes, pumpkins and tomatoes regularly
  • Make the last pickings of rhubarb and remove any flower spikes that start to form, cutting right down at the base
  • Thin out heavy crops of apples, pears and plums, and remove any malformed, damaged or undersized fruits
  • Prune plum trees in dry weather, when silver leaf fungal disease is less prevalent
  • Sow a last batch of peas and dwarf beans before mid-July for an autumn crop
  • Shorten side shoots growing from the framework of trained fruit trees, reducing to about five leaves from their base
  • Water fruit trees and bushes, then lay a thick mulch of garden compost around their base to hold in moisture
  • Cover brassicas with fine netting to prevent cabbage white butterflies laying their eggs on the leaves
  • Peg down strawberry runners into pots of compost to root new plants
  • Pick courgettes regularly so they don't turn into marrows
  • Sow small batches of fast-maturing salad leaves, rocket and radishes every few weeks for continuous pickings
  • Cut down broad beans after harvesting, but leave the roots in the soil to release nitrogen as they decompose

On the forum: which fruit and veg varieties are you growing?

Greenhouse

  • Open greenhouse vents and doors on warm days to improve air circulation
  • Continue pinching out any side shoots growing from the leaf joints of cordon tomatoes
  • Take cuttings from fuchsias, coleus, pelargoniums, marguerites and other tender perennials
  • Water tomatoes daily to prevent drying out, which can lead to split fruits and blossom end rot
  • Order cold-stored potato tubers for planting in a greenhouse or cool porch next month, to harvest at Christmas
  • Damp down the greenhouse floor each morning on hot days to increase humidity
  • Be vigilant for aphids, vine weevils and other pests, and treat immediately so infestations don't get out of hand
  • Feed tomatoes, chillies and cucumbers with high-potash tomato fertiliser every week to encourage fruiting
  • Install a reservoir watering system, so thirsty plants such as tomatoes don't dry out
  • Regularly sweep greenhouse staging and floors to reduce debris that can harbour pests and diseases
  • Train the main stem of cucumbers up supports and pinch out sideshoots two leaves after a flower or fruit

On the forum: find out more about growing plants indoors

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Garden maintenance

  • Compost your kitchen and garden waste, chopping up and mixing the contents to speed up decomposition
  • Top up bird baths, ponds and water features during hot weather
  • Water new trees, shrubs and perennials planted in spring, to help them through dry spells
  • Trim conifers and other garden hedges
  • Scoop out any floating pondweed and algae from pools and water features
  • Keep mowing lawns regularly, but raise the cutting height to leave the grass longer during dry weather
  • Water hanging baskets and patio containers daily, in the morning or evening
  • Deadhead bedding plants, sweet peas and annuals every few days to encourage more flowers
  • Set up an automatic watering system to look after greenhouse crops, pots and baskets if you're going on holiday
  • Make your own liquid feed from comfrey plants
  • Apply tomato feed fortnightly to crops in pots and growing bags, such as tomatoes and chillies, to encourage fruiting
  • Trim lavender after flowering to keep plants compact and bushy, but avoid cutting into old wood
  • Be on the lookout for developing pest problems and take action straight away

On the forum: join in the discussion, share your wisdom and ask for help

House plants

  •  Feed houseplants once a week with liquid fertiliser, continuing through to autumn
  • Water your house plants more regularly as the temperatures warm and light levels increase, check the soil before watering. Take a look at our guide to watering house plants
  • Repot any houseplants that have become top heavy or pot bound into larger containers
  • Maximise the amount of light your house plants receive by moving to brighter spots, or choose house plants that will grow in shadier spots
  • Some house plants, like snake plants, are particularly prone to collecting dust on their leaves. So be sure to give these a wipe regularly
  • Put houseplants outside for the summer in a warm, sheltered spot to enjoy the fresh air and extra light
  • Take leaf cuttings from houseplants, including African violetsbegonias and Cape primroses
  • Check your house plants for pests like aphidsscale insectsthrips and mealybugs
  • Take large-leaved houseplants into the garden and hose them down to clean off accumulated dust

For more house plant advice and inspiration visit our Growing and caring for house plants page

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You'll receive a special seasonal selection of premium, potted hardy perennials hand-selected from the nursery. Each plant will be named on arrival.

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