Best Summer Vegetable Seeds of 2025

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Summer vegetable seeds are a great way to add fresh and healthy produce to your garden or allotment. These seeds are specially selected for their ability to thrive in warm weather conditions and produce a bountiful harvest of delicious vegetables. Whether you are looking to grow your own tomatoes, peppers, cucumbers, or other summer favourites, there are a variety of high-quality seeds available to suit your needs. With the right care and attention, these seeds can provide you with a wealth of fresh, homegrown produce that is full of flavour and nutrition.
At a Glance: Our Top Picks
Top 10 Summer Vegetable Seeds
Johnsons Vegetable Seeds Courgette & Summer Squash Collection
The Johnsons Courgette & Squash Seeds collection offers an attractive variety of colours, shapes, textures, and flavours for your garden. You can enjoy fresh vegetables that are perfect for salads, stir-fries, and can be steamed or baked to enhance your meals. With varieties like Black Beauty, Golden Zucchini, and Patty Pan, you’ll have plenty of options to suit your culinary needs. This collection makes it easy for you to grow delicious and visually appealing vegetables right at home.
Mr Fothergill's Courgettes & Summer Squashes Collection
Mr Fothergill's Vegetable Seeds are perfect for summer crops, making gardening accessible for all. They are easy to grow, allowing you to enjoy fresh courgettes and squashes without hassle. With a rich flavour, these vegetables can elevate your meals, adding a delicious twist to your dishes. They are also an excellent source of vitamin C, promoting your health while you savour the taste. Each pack contains eight seeds, giving you plenty of opportunities to cultivate a vibrant garden.
Thompson and Morgan Spring Onion 'White Star'
The Spring Onion 'White Star' offers a delightful zing to your culinary creations. These seeds produce unique golf ball-sized bulbs that pack a stronger flavour than standard spring onions, enhancing your dishes. You can sow them successively throughout the summer, ensuring a generous and continuous harvest for an extended period. With 175 seeds included in each packet, you'll have plenty to enjoy fresh from your garden, making it an excellent choice for home gardeners.
Herbal Age Vegetable Plants Seed Box
The Herbal Age Seed Box is a delightful collection of 12 vegetable seed varieties, perfect for those eager to cultivate their own fresh produce. This vibrant selection includes everything from tomato and chilli seeds to beetroot and courgette, making it an excellent gift for both novice and experienced gardeners. You can enjoy gardening all year round, as these seeds are suitable for both indoor and outdoor planting. Additionally, this kit allows you to enhance your culinary creations with home-grown ingredients, bringing joyful flavours to your meals.
Thompson and Morgan Adelaide Carrot Seeds
The Adelaide Carrot Seeds from Thompson and Morgan are an award-winning variety that holds an RHS AGM. Their bold orange colour and sweet flavour make them a delightful addition to your vegetable garden. They are easy and quick to grow, perfect for use in cloches and cold frames, ensuring you can enjoy freshly grown vegetables in spring, summer, and autumn. With a packet containing 400 seeds, you can cultivate your own garden with minimal effort and maximum taste.
Grow Your Own Vegetable Seed Kit
The Simply Garden Seed Kit offers a fantastic way for you to cultivate your own vegetables at home. With three multipacks of seeds, you can grow a variety of winter vegetables, including carrots, Brussels sprouts, parsnips, and swede. Additionally, the kit includes summer vegetables such as beetroot, onions, and radishes, providing a diverse harvest throughout the year. For those with limited space, the growbag vegetables feature cucumbers, tomatoes, onions, and lettuce, making it easy to enjoy fresh produce right from your garden.
Thompson & Morgan Dwarf Caledonia Bean Seeds
The Dwarf Caledonia Bean Seeds by Thompson & Morgan are perfect for your kitchen garden, allotment or patio. These climbing vegetables are easy to grow and produce heavy crops throughout the summer. You can enjoy long, fine pods that offer excellent flavour and nutritional value. With their tender texture, these beans make a delicious side dish to complement any meal. Ideal for growing on an obelisk, these seeds are a great choice for gardeners with limited space.
Thompson & Morgan Patty Pan Squash Seeds Mix
The Thompson & Morgan Squash Seeds offer a delightful way for you to grow and harvest your own vibrant patty pans. This mix features varieties like 'Twinkle F1', 'Kermit F1', and 'Polo', giving you delicious options for your meals. You can pick them as small, golf ball-sized squashes or allow them to mature into larger ones, perfect for stuffing or baking. These bushy plants thrive when harvested regularly, providing you with a bountiful crop from June to October. The seeds come with helpful cultural instructions to support your gardening journey.
Thompson and Morgan Primo Summer Cabbage Seeds
The Primo Cabbage Seeds by Thompson and Morgan offer an excellent opportunity to grow your own delicious summer cabbages. This reliable variety produces solid 'ball head' cabbages that can be harvested from June to August. You can savour the taste of your homegrown cabbages, whether enjoying them raw in a crisp coleslaw or steaming them until tender. With approximately 250 seeds in each packet and comprehensive cultural instructions included, you'll find it easy to cultivate a successful crop.
Runner Bean Prizewinner Seeds by Thompson & Morgan
The Prizewinner Runner Bean Seeds are an excellent choice for your kitchen garden or allotment. These easy-to-grow seeds yield heavy crops of nutritious and tasty beans during the summer months. You'll enjoy long, tender pods that are packed with flavour and offer numerous health benefits. When boiled or steamed, these beans make a succulent and healthy side dish for any meal, enhancing your dining experience while promoting a balanced diet.
Frequently Asked Questions (FAQs)
1. What are good seeds to plant in the summer?
10 Seeds to Sow for Summer. Wild Arugula.Parisian Carrot.Chioggia Guardsmark Improved Beet.Double Yield Cucumber.
2. Can I plant vegetable seeds summer?
You might think that come summer, all your veg seed sowing is done, and you just need to concentrate on nurturing and harvesting. But actually, it's a key time to sow several crops, including salads, winter veg and early spring veg. All crops can be sown outdoors in summer – a small, well-prepared seed bed is ideal.
3. What seeds can you start in late summer?
20 Vegetables to Plant in Late Summer. Beets.Carrots.Radishes.Rutabagas.Turnips.Peas.Bush Beans.Cauliflower.
During our summer vegetable seed research, we found 198 summer vegetable seed products and shortlisted 10 quality products. We collected and analyzed 50,267 customer reviews through our big data system to write the summer vegetable seeds list. We found that most customers choose summer vegetable seeds with an average price of £4.91.
The summer vegetable seeds are available for purchase. We have researched hundreds of brands and picked the top brands of summer vegetable seeds, including Mr Fothergills, Thompson & Morgan, Herbal Age, Simply Garden. The seller of top 1 product has received honest feedback from 411 consumers with an average rating of 4.8.

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.