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What to Plant in August in the UK

What to Plant in August in the UK

Ewan Norrie
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August is a golden opportunity for UK gardeners to prepare for the upcoming seasons, from planting spring bulbs to sowing overwintering crops.

As summer begins to wane, August offers a delightful mix of gardening tasks that set the stage for autumn and beyond. It's a month of transition, where the last of the summer blooms mingle with the promise of spring and the preparations for winter. Whether you're tending to perennials or getting a head start on your spring garden, there's plenty to keep you busy.

Spring Bulbs on the Horizon

While it might feel a bit early to think about spring, August is the perfect time to order your spring-flowering bulbs. Popular varieties can fly off the shelves, so getting in early ensures you won't miss out. By the end of August, you can begin planting bulbs such as daffodils and alliums. For those craving a burst of colour come spring, consider the diverse and architectural Allium varieties, like the Allium ambassador 'Bulbs Uk' or the striking Allium giganteum 'Bulb Uk'. Remember, tulips should wait until later in the year for planting, ideally in November.

Allium Bulbs 'Giganteum'
Allium Bulbs 'Giganteum' — from £14.00 Compare prices →
Allium Ambassador
Allium Ambassador — from £9.99 Compare prices →
Bulb Uk Ornamental Onion
Bulb Uk Ornamental Onion — from £8.49 Compare prices →
Ornamental Onion
Ornamental Onion — from £9.99 Compare prices →

Perennials and Divisions

August is also an excellent time to divide perennials, giving them a fresh start and promoting healthy growth. Perennial geraniums, such as Geranium Rozanne or Geranium Johnson's Blue, can be divided now. This not only rejuvenates the plants but also offers the opportunity to spread their delightful blooms to other parts of your garden or share with friends.

Geranium Johnson's Blue
Geranium Johnson's Blue — from £7.30 Compare prices →
Geranium Rozanne
Geranium Rozanne — from £7.20 Compare prices →

Vegetables for Overwintering

For those who enjoy growing their own vegetables, August is a key month for planting overwintering crops. Spinach, turnips, and winter lettuce can all be sown now, ensuring a fresh supply of greens as the colder months set in. Overwintering onion sets can also be planted, promising a rewarding harvest next year.

Keep an eye on companion planting tips as well. For example, avoid planting peas near your onions and garlic, as alliums can inhibit their growth. Instead, consider pairing peas with carrots or radishes to make the most of their nitrogen-fixing abilities.

Quick Salads and Greens

If you're looking for something a bit quicker, August is still a good time to sow seeds for quick salads. Rocket, mustard greens, and other fast-growing leaves will keep your salad bowl full as the seasons change. These can be enjoyed fresh and will continue to grow well into the autumn.

Making the Most of August

August offers a unique opportunity to set your garden up for success as the year progresses. Whether you're planning for spring, dividing perennials, or starting your overwintering vegetable crops, this month is a crucial period for preparation and planting.

For those looking to compare prices and explore a wide selection of plants and bulbs, take a moment to browse the listings on ComparePlants. Our platform can help you find the best options for your garden, ensuring you make informed choices as you plan for the months ahead.