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May Gardening Checklist

May is one of the most exciting months for gardeners in the UK. The warmer weather and longer days mean that plants are thriving and there's plenty to do in the garden. Here are some gardening jobs to consider this month.


May is the perfect time to plant out summer bedding plants, such as petunias, marigolds, and geraniums. It's also a good time to sow annual seeds, such as nasturtiums and cosmos, directly into the ground.


With the warmer weather, weeds will start to grow more rapidly. Spend some time each week pulling up any unwanted plants to prevent them from taking over your garden.


If you have spring-flowering shrubs, such as forsythia or lilac, now is the time to prune them back once they have finished flowering. This will encourage new growth and ensure they stay healthy.

Lawn care

May is the month to start regularly mowing your lawn, but be careful not to cut it too short. It's also a good time to reseed any bare patches and to apply fertiliser to encourage growth.

Pests and diseases

Keep an eye out for pests and diseases in your garden. Aphids can be a problem at this time of year, so be sure to check your plants regularly and remove any affected leaves. If you notice any signs of disease, such as black spot on roses, take action quickly to prevent it from spreading.

Plant supports

As your plants grow taller, they may need some support to prevent them from toppling over. Invest in some plant supports, such as stakes or cages, to keep your plants upright and healthy.

Vegetable gardening

May is a great time to start planting your vegetable garden. Sow seeds for beans, peas, and sweetcorn, and transplant seedlings of courgettes, pumpkins, and tomatoes into your garden.

May is a busy time for gardeners in the UK. With plenty of planting, weeding, pruning, and lawn care to do, there's never a dull moment in the garden. Keep on top of your gardening jobs this month, and you'll be rewarded with a beautiful garden you can enjoy for many months to come.

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