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June gardening

June gardening

June is the month when you have long summer days and warm light evenings. This makes the garden most enjoyable, especially with all the flowers bringing fragrance and colour to your garden. As well as all the borders and containers having flowers in full bloom, there should be vegetables and fruit that you can now eat.

Essential gardening jobs…

  • Watering
  • Plant bedding
  • Dead-head roses
  • Prune early summer shrubs
  • Take cuttings of Dianthus
  • Harvest soft fruit
  • Thin out fruit
  • Harvest vegetable crops
  • Plant outdoor tomatoes

Last chance to…

  • Trim hedges and topiary
  • Sow fast-growing annuals

Watering

Watering your garden is one of the most important jobs to do in June. You should focus on anything that you have recently planted in your borders and also containers and hanging baskets. It is better to water borders thoroughly once a week than a splash of water every day. However, containers need watering at least once a day. We advise watering early in the morning or in the evening because the water doesn’t evaporate as quickly when it is cooler. Ensure that the water is directed at the soil rather than on the plant leaves to avoid scorching, which will damage the plant.

Plant bedding

Summer bedding can now be planted in the borders to fill any of the gaps. Keep the plants well-watered for the first month. Ensure that you protect the plants from slugs and snails while they are settling in.

Dead-head roses

For roses to produce a second crop of flowers, it is a good idea to cut off the faded flowers. When dead-heading you should cut the roses back to a strong side shoot. Once you have dead-headed the flowers it is a good idea to feed the roses.

Prune early summer shrubs

Shrubs such as Weigela, Kolkwitzia and Deutzia will probably have finished flowering by now, so they can be pruned. It is best to cut off about one third of the stems as this will let more air and light into the shrub. After pruning it is a good idea to feed with a multi-purpose feed, such as Growmore or Chicken Manure Pellets.

Take cuttings of Dianthus

Dianthus are very popular plants due to their spicy clove scent. June is a good time to take cuttings of these plants. Take the cuttings from young non-flowering shoots cutting about five leaf pairs from the tip. Pull off the bottom pair of leaves and place the cuttings round the edge of an 8cm pot filled with Gro-Sure Seed and Cutting Compost. Water in gently and keep in a shady place. Do not cover as the cuttings may go mouldy.

Continue to trim hedges and topiary

Evergreen hedges of Yew, Privet, Box, Lonicera Nitida and Leyland Cypress can be clipped this month. Topiary box should also be trimmed if not done already. After trimming, feed and water in well.

Sow fast-growing annuals

There’s still just enough time to sow fast-growing annuals to flower this year. Choose from Clarkia, Virginia Stock, Candytuft and Calendula (Pot Marigold) to fill empty spaces. They should flower within 10 to 12 weeks.

KITCHEN GARDEN

Harvest soft fruit

Fruit such as strawberries and raspberries should start to produce their luscious fruit in June. Don’t worry if you haven’t had chance to plant some strawberry plants, as you can buy some plants with flowers and plant them. These plants have been chilled and are often called 60-day plant, as they fruit 60 days after planting.

Thin out fruit

A lot of fruit trees such as apples, pears and plums will start to fall off the plant in June. This is called ‘June drop’. This is because fruit trees produce a lot of young fruits but the tree cannot produce enough nutrients to enable them to all grow into healthy fruit. Therefore, some of them will drop off. However, you may need to thin out the fruit crops further to produce a better final overall crop. Below is a guideline of the spacing you should try to give the fruit to develop fully.

  • Cooking apple: fruit 15 to 22cm apart
  • Dessert apple: fruit 10-15 cm apart
  • Pears: fruit 10-15cm apart
  • Plums: fruit 8-10cm apart

Harvest vegetables crops

A lot of vegetable plants will be producing a good healthy crop which you will be able to start to pick this month. Peas and broad beans are probably one of the first vegetable crop you will pick. With these vegetables, the earlier and more regularly ou pick them, the more crop you will have. Other vegetable crops which can now be harvested include, turnips, carrots and beetroots. If the weather is good, you should have the first crop of new potatoes towards the end of the month.

Plant outdoor tomatoes

It is safe to plant tomatoes outdoors now. They can either go straight into the ground or into a growbag. Tomatoes need a sunny sheltered spot and will do best against a south-facing wall. Ensure to water them well and also feed them to have the best tomato crop. We advise using Westland Big Tom  to get bigger and juicer tomatoes. Read our guide on How to grow tomato plants for more information.

Lawns

It is now really important to mow your lawn once a week to keep it looking healthy, and it will soon thicken up. Read out guide on How to care for lawns in the summer for more details.

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