RHS Award of Garden Merit Vegetables

Last Updated on January 15, 2026 by Thompson & Morgan Horticultural Team

Royal Horticultural Society ‘Award of Garden Merit’ winning vegetable plants have earned a seal of approval for reliability. If you’re looking for tried and tested fruit and veg to grow at home, this certification points you towards the very best varieties to grow. There are currently 7,500 plants with an AGM, including ornamental and edible plants. New awards are made each year, and current award holders are reviewed regularly to make sure they’re still up to scratch. To help you narrow the list, here are some of our customers’ favourite AGM varieties to get you off to a flying start.

Popular AGM winning root vegetables

Here are our favourite AGM winning root vegetables that can’t be beaten for colour, flavour and quality:

• Beetroot ‘Pablo’ stores well through winter, producing dark red roots which are best picked when small. Start from seeds by directly sowing outdoors.
• Parsnip ‘Gladiator’ has good canker resistance and smooth, blemish free white roots. Sow seeds directly outdoors in April or May.
• Carrot ‘Adelaide’ is one of the earliest maturing varieties. Sow seeds in November outdoors under a cloche or in the polytunnel for harvests as early as February.
• Turnip ‘Oasis’ is the perfect root for beginners. Surprisingly sweet and reminiscent of a melon in flavour, this turnip can be eaten raw or cooked.
• Celeriac ‘Monarch’ has a lovely creamy celery flavour with smoother roots than other varieties. Sow direct outdoors between February and April for a crop in late autumn.

Popular AGM winning pea and beans

Use the following list to pick AGM winning pea and bean seeds and plants to grow:

• Broad bean ‘De Monica’ is the earliest maturing spring sown broad bean variety. Sow your seeds outdoors in February for a crop as early as May.
• Climbing bean ‘Cobra’ produces a heavy yield of thick crunchy pods perfect for steaming. Start with our special peat-free garden ready plants.
• French Bean ‘Cobra’ produces heavy crops of smooth, stringless green pods with an exceptional flavour. Grow this attractive climbing bean in flower borders or the veg patch.
• Runner bean ‘St George’ is a British bred bean with great yields. Use this for its ornamental bi-coloured flowers that look fabulous rising out of a garden bed.
• Pea ‘Hurst Green Shaft’ has stood the test of time as a well known favourite podding pea for exhibiting, and growing for freezing. Sow seeds directly outdoors between March and May.

Popular AGM winning pumpkin, squash and courgettes

These AGM winning squashes and courgettes will give you prolific and tasty crops through summer and autumn:

• Marrow ‘Tiger Cross’ F1 Hybrid has superb flavour, lovely striped fruit and good resistance to cucumber mosaic virus. Sow under cover in April for harvests through summer into autumn.
• Squash ‘Hunter’ F1 hybrid has been bred especially for the British climate and produces very high yields just 95 days from sowing. Sweet and delicious.
• Squash ‘Sunshine’ F1 hybrid (Winter) is a ‘Kaboucha’ type squash with deep orange skin and a sweet nutty flavour. Harvest from August.
• Courgette ‘Orelia’ F1 hybrid has an open habit and virtually spine free stems for easier picking. It has excellent mildew resistance and produces golden fruits from July to October.
• Courgette ‘Parador’ produces striking, yellow courgettes with a superb flavour and texture.

Popular AGM winning hot chilli peppers

Find a good range of flavour and heat in this selection of AGM winning chilli peppers and sweet peppers:

• Chilli pepper ‘Basket of Fire’ is a compact, highly prolific variety with short, hot fruit. Plant this chilli in full sun in hanging baskets or patio containers for the best results.
• Chilli pepper ‘Demon Red’ produces very hot fruits. Sow seeds under glass in February to allow a long ripening time for the fruit. Grow in the greenhouse or a sunny spot in the garden.
• Chilli Pepper ‘Krakatoa’ F1 hybrid bears masses of fiery, upright, pale green chillies that turn vivid red as they ripen on the plant. Easy to grow, it makes a wonderful ornamental edible.
• Chilli pepper ‘Prairie Fire’ produces huge yields of tiny super hot fruits all summer long. Place this plant on the kitchen windowsill as an ornamental edible to enjoy the super colourful display.
• Sweet pepper ‘Astor’ is a mellow sweet yellow pepper, perfect for slicing, stuffing and grilling. The brightly coloured fruits set early and can reach up to 25 cm long.

Popular AGM winning tomatoes

The classic greenhouse summer treat, these are T&M customers’ favourite varieties:

• Tomato ‘Shirley’ is best grown in a growbag in a cold, or slightly heated greenhouse. With superb disease resistance, this early-maturing variety is an exhibitors’ favourite.
• Tomato ‘Supersteak’ F1 is a cordon beefsteak variety that produces large, uniform and slightly ribbed fruits throughout the summer. Each tomato weighs up to 500g each.
• Tomato ‘Rosella’ produces smokey pink cherry fruits that are almost seedless with high levels of acidity and sweetness. Start this variety from seed between February and April undercover.
• Tomato ‘Sweet Aperitif’ can crop up to 500 super sweet cherry fruits per plant in one season.
• Tomato ‘Cristal’ F1 hybrid is best grown under glass or in a sunny protected position outdoors. The round, glossy, scarlet fruits are perfect for salads and sandwiches.

Popular AGM winning brassicas

Grow these brassicas for their nutritious leaves, tasty curds and lovely heads:

• Brussels sprouts ‘Marte’ F1 hybrid produces heavy yields of large, round, tasty sprouts from October to Christmas.
• Summer cabbage ‘Elisa’ is an exceptional cabbage with a  delicious and sweet-tasting flavour. Resists bolting and stands well without splitting.
• Calabrese ‘Ironman’ has the longest cropping period of any calabrese. Sow these seeds successively for regular domed heads that crop from May to September.
• Cauliflower ‘Aalsmeer’ shows outstanding winter hardiness. The creamy white curds ripen through April to a good size and weight.
• Kohlrabi ‘Kolibri’ has deep purple roots with white flesh. These roots are packed full of vitamins. Sow the seeds under a cloche outdoors. This variety is nicely compact, so will do well in containers too.

Popular AGM salad

There’s nothing like a fresh crunchy salad on a summer’s day! Sow and grow these quick croppers and enjoy AGM winning leafy bowls:

• Celery ‘Tango’ shows very good resistance to bolting, sending up lovely apple green smooth stems with lovely flavour. They have a perfect ‘crunch’ and great wilt resistance in hot weather.
• Swiss chard ‘Bright Lights’ sends up stems in vivid colours like red, yellow and pink. Make this your first choice chard to grow; the flavour is great and it shows very good winter hardiness too. Harvest throughout summer into autumn.
• Cucumber ‘Carmen’ grafted has fantastic resistance to all known strains of powdery mildew, scab and leaf-spot. This variety forms long juicy fruits from June to september. The grafted plants show excellent vigour.
• Lettuce ‘Salad Bowl’ is a lettuce that won’t bolt or form a head. Pick the delicious leaves as you need them; the same plants will crop from June until September.
• Radish ‘French Breakfast 4 – Francis’ is an improved variety that matures 21 days from sowing. The roots are crunchy with excellent heat tolerance through the summer.

Popular AGM winning onions, leeks, shallots and garlic

These tasty alliums are great for plaiting and storing and can be used in a multitude of dishes:

• Garlic ‘Germidour’ is a French-grown variety that’s well adapted to the UK’s climate. It’s well known and reliable and the bulbs have a delicious mild flavour. Suitable for spring or autumn planting.
• Leek ‘Jolant’ crops for almost 6 months of the year – from September through to February – and can be harvested as mini and full size stems. Great choice for cold, northerly gardens.
• Onion ‘Red Baron’ bulbs have attractive red skins which makes this an eye-catching choice. Grow from sets to harvest in late summer. The flattish round bulbs have good storage potential.
• Spring onion ‘Apache’ is a great choice for container growing and the red spring onions look and taste fantastic in salads. Sow this spring onion every few weeks throughout spring and summer for a continuous crop.
• Shallot ‘Longor’ is a heavy cropper that produces the longest bulbs we have ever seen! With amazing flavour and good storage potential, it’s a popular choice.

Popular AGM winning potatoes

Potatoes are rewarding crop and relatively easy to grow. Plant seed potatoes in containers or dig into your allotment beds:

1st early

• Potato ‘Foremost’ has been an established favourite for over 50 years. Round, white-fleshed tubers are firm and waxy. Get this variety into the ground in March for an early harvest in May.
• Potato ‘Red Duke of York’ is a heritage first early variety with red skin and yellow flesh. With superb flavour, this tasty summer baker is also particularly good for roasting.

2nd early

• Potato ‘Charlotte’ is a reliable customer favourite with a superb flavour eaten hot or cold. Harvest your spuds in July and August.
• Potato ‘Jazzy’ is guaranteed to provide a crop of 35 potatoes per plant when grown in an 8 litre potato bag. This is a new and improved salad potato that tastes delicious boiled, mashed, roasted or steamed.

Maincrop

• Potato ‘Sarpo Mira’ is the best variety for resistance to blight. The red skinned tubers are tasty too, performing well as a great all rounder. Shows good slug resistance.
• Potato ‘Desiree’ is the world’s most popular red potato. Easy to grow and resistant to drought, its firm, waxy, pale yellow flesh is suitable for all cooking purposes.

We hope our lists of AGM vegetable plants help you to narrow down your own choice of reliable and tasty veg to grow this year. Whether you’ve got an allotment, bed or container – we wish you a productive season.