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Summer Gardening Tips: Keep Your Garden Thriving in the Heat
When we think of a summer garden, we imagine abundant harvests of fruit and flowering plants in bloom. Yet, if there’s anything we all know about a British summer, it’s that the weather can be a little… unpredictable! One week it’s blue skies and heatwaves, the next it’s wind and non-stop rain. To deal with these ever-changing weather conditions, our gardens need special attention to help them stay healthy. So, whether you’re a green-fingered pro or a true plant novice, here are our gardening top tips to help your garden or allotment thrive this summer.
Should I water my garden every day in the summer?
Hot days can result in parched plants. While it’s tempting to give them constant showers in the heat, over-watering can be just as harmful as letting them dry out. Instead of watering a little every day, aim for deep watering a few times a week. This encourages roots to grow downwards where it’s cooler and moister, making your plants more resistant to dry spells.
With hosepipe bans becoming more common across the UK, it’s important to make every drop count. Water early in the morning or late in the evening when temperatures are cooler to reduce evaporation and gives plants the best chance to soak it all in.
What is the best thing to grow in summer months?
Just like us, plants have temperature preferences and varying tolerances to heat. Summer is the perfect time to lean into sun-loving plants such as marigolds, zinnias lavender and succulents. If you're hoping for a bountiful harvest, tomatoes, peppers and courgettes tend to do well in warmer temperatures and make a great addition to those summer BBQs when ripe and ready!
If you’re struggling to keep plants alive through July and August, it’s likely that you’re growing the wrong plants for your climate. So, before you plant new additions, research average summer temperatures and rainfall in your area, and ask for advice from your local gardening center.
How can I protect against pests and disease?
Summer is prime time for unwanted visitors. Aphids, spider mites, white flies—these critters love the heat almost as much as your vegetables do! That’s why it’s important to regularly check the underside of leaves and new growth for signs of damage from pests and disease.
If you do have a pest problem, there are a few simple fixes. A blast of water from the hose can knock off soft-bodied pests. For mild infestations, insecticidal soaps can work well. Encourage natural predators like ladybugs to move in, and watch out for powdery mildew, especially on squash and cucumbers. Good air circulation and not watering the foliage can help prevent it.
How often should I harvest and prune?
Summer veggies can go from ripe to overripe almost overnight, so it's important to harvest often to encourage more production and keep your plants happy. Plus, sun-ripened tomatoes or home-grown courgettes plucked straight from the garden will add fresh flavour to all your dishes all summer long!
While you’re at it, remove any dead or diseased leaves or fruit. Deadheading spent blooms encourages more flowers, and cutting back leggy growth can rejuvenate tired plants. For fruiting plants such as tomatoes, regular pruning helps sunlight and air reach all the right spots, boosting your harvest.
How can I stop my summer flower garden getting scorched?
Even sun lovers can get sunburned! If you notice your plants looking scorched in dry weather, with crisp leaf edges, sunspots or drooping, it might be time to offer them a little shade. Shade cloths, old sheets, or even a strategically placed patio umbrella work wonders. In plant beds, taller leafy plants can offer natural shade to smaller, more delicate ones.
If you haven’t mulched yet, summer is a good time to try it! A 2–3-inch layer of mulch – such as bark chips, straw, or shredded leaves - helps retain soil moisture, suppresses pesky weeds, and even keeps the soil temperature more stable. Plus, organic mulches break down over time, adding nutrients to your soil that help your plants thrive.
How can I stay cool doing all my summer garden jobs?
Gardening in the months summer isn’t just tough on the plants—it can be tough on you, too! To stay safe and comfortable in the heat, wear a wide-brimmed hat, slather on the sunscreen, and stay hydrated. Take breaks in the shade and try to get out early in the day or wait until temperatures have cooled in the evening.
And remember that sometimes, despite our best efforts, summer gardening can get a little... wild! Maybe the weeds have taken over or the marigolds are flopping in all directions, but that's OK! Gardens don’t have to be picture-perfect to be wonderful, and sometimes the bees and butterflies know best.
It's time to embrace your summer garden!
When it comes to summer gardening, balance is key. Water, prune and protect your plants without overdoing it, and stay ahead of the heat while still enjoying these precious warm months outside. As you can see, with a few smart adjustments and a little extra care, your garden can be a vibrant, blooming paradise well into the late summer months. So, grab your trowel, put on your favorite floppy hat, and head outside. Your summer garden awaits!
And if you're looking for more garden inspiration? Read our thorough guide to setting up and maintaining gardening beds that thrive all year round.