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June in the Garden


Staff member
Mar 21, 2024
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June in the Garden

As we welcome June, we embrace the approach of the longest day of the year. The arrival of June brings warmer temperatures and longer hours of daylight. This month is a busy time for gardeners as many plants burst into action, and some require a bit of extra care and attention. Here are some essential tasks to help keep your garden in top condition during June:

Watering and Weeding.

Rainwater capture and use was one of the major trends I observed at the RHS Chelsea Flower Show this year. The’ WaterAid Garden’ and ‘The Flood Resilient Garden’ were two standout installations that addressed water issues arising from climate change. Use water butts to collect as much rainwater as possible during times of heavy rainfall. Harvesting rainwater contributes towards preventing local flooding, and the valuable water can be used in the garden during dry periods.

One of the most important tasks to tackle in June is watering, especially for newly planted flowers and vegetables. Check your plants regularly for signs of wilting, and water them as needed to keep them hydrated and happy.

A second crucial task for June is weeding. With warm and wet weather, weeds can quickly takeover flowerbeds and vegetable patches. Weeds steal both light and valuable nutrients from your plants. Spend a little time each week removing weeds by the roots to keep your garden looking tidy, and that way you will always remain on top of the task.

The Flower Garden.

In June, it’s time to harden off and plant out half-hardy bedding plants, such as petunias and French marigolds. Use summer bedding to inject hot colour to your flowerbeds, hanging baskets, and containers.

For the flower garden, pick sweet pea flowers regularly to encourage the continued production of more blooms. June is the month to enjoy seeing roses in full bloom. Scented garden roses are my favourite cut flowers, especially when paired in a vase with fragrant sweet peas.

Deadhead spent flowers on roses, bedding plants, and perennials to encourage further flowering. Pinching out the tips of fuchsias will promote a bushy habit and more blooms. Consider performing the ‘Chelsea chop’ on hardy geraniums after they have finished flowering to foster a fresh flush of flowers later in the month.

Fill any empty gaps in your flower borders. Try giving your displays and containers a tropical makeover for the summer by planting out tender exotics like Musa, Coleus, Canna and Zinnia for that vibrant and exotic feel.

Support tall clump-forming perennials such as delphiniums and rudbeckias, in other words plants that can easily be damaged by strong winds or heavy rain. Large flowers on plants like dahlias and peonies may require individual staking.

Vegetable Garden Tasks.

In the vegetable garden, continue earthing up maincrop potatoes to protect the developing tubers. Harvest First Early potatoes as they reach maturity. Pinch out sideshoots from cordon tomatoes to redirect energy into fruit production.

Start harvesting salad crops, such as lettuces and radishes, as they become ready. Water blueberries with saved rainwater to maintain soil acidity. Now is the time to harden off and plant out courgettes, squashes, and sweetcorn for a bountiful harvest later in the season.

Fruit Trees.

June is the time to carry out essential maintenance tasks on fruit trees. Keep an eye out for the natural ‘June drop,’ where these trees shed excess fruit to lighten their load.

Plum trees and greengages are prone to overcropping. Start thinning out fruits on plum trees in June if the set of fruit is strong. Thinning out the fruits by hand helps to protect the tree from losing branches due to overloading, as well as achieving larger average fruit size. June thinning can also help reduce the tendency to biennial fruit bearing.

Start pruning plum and cherry trees to reduce the risk of silver leaf disease and maintain a healthy tree structure.

Garden Pests And Diseases.

Keep a lookout for pests and diseases, including aphids, slugs, and snails, and take prompt action to protect your plants. Scarlet lily beetles may become a problem this month if they are not spotted and promptly dealt with.

Hedges And Lawns.

Don’t forget to cut actively growing hedges such as privet and yew, but only start trimming after carefully checking that there are no nesting birds in the hedge.

Lawns also need some attention this month. Edging your lawn neatly is an effective way of making it look tidy if you want to let it grow longer for the benefit of garden wildlife.

Mow the lawn on a high cut to promote healthy growth in warm weather. Be water-wise! Don’t waste water on established lawns during dry periods. A brown lawn will quickly green-up once rain returns. Save precious water for the plants that really need it.

In Conclusion

By following these essential tasks for June, you can keep your garden looking its best throughout the summer months. Enjoy the fruits of your labour as you relax and unwind in your beautiful outdoor space. Happy gardening!

Further reading:

Watering Tips:




Pruning Plum Trees:


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