Thompson & Morgan

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Half-hardy Annual Seeds


Sow half-hardy annuals in early spring, making sure that you protect them from frost. Plant them out after all risk of frost has passed and you'll be rewarded with delightful flowers all throughout the summer. Hint: use the selections in the left menu to narrow down your search for the perfect half-hardy annual seeds for your garden. For direct sowing take a look at our stunning range of hardy annual seeds.



We have found 52 products.
 

Petunia x hybrida 'Super Cascade Improved' F1 Hybrid

 Customer Rating
The first fully integrated petunia mixture. For hanging baskets, containers and walls. The Super Cascades are much freer flowering and will cascade in 8 different colours - blue, white, pink, blush, cerise, salmon, scarlet and violet from a formula blending of seed. Weather tolerance, heat and wet, is excellent, they bloom from planting out to frost and have good drought tolerance. Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer.
More info
    • 1 packet (90 petunia seeds)

    • Despatch: Within 1 days
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    • £3.99

Petunia hybrida grandiflora 'Superbissima'

 Customer Rating
The largest Petunia flowers we have ever seen, bred on from those available over 100 years ago! Robust plants produce huge 10-15cm (4-6in) wide exotic looking frilly blooms, in an attractive mixture of pinks, reds and purples, each with rich veining and attractive dark eyes. An eye-catching addition to borders or containers. Height: 30-35cm (12-14in). Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer.
More info
    • 1 packet (50 petunia seeds)

    • Despatch: Within 1 days
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    • £0.99

Antirrhinum majus 'Royal Bride'

Snapdragon

A wonderful antirrhinum of top quality. Stately plants with rich green foliage and spikes of large, purest white snap dragon flowers which have a rare, gorgeous fragrance. Superb for contrast in the border and makes an excellent cut flower.
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    • 1 packet (500 antirrhinum seeds)

    • Despatch: Within 1 days
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    • £2.99

Petunia milliflora 'Fantasy' F1 Hybrid

Petunia "Fantasy" has a habit which is not just a miniature but also compact. In fact they are 36 per cent the size of normal multiflora types and it means that plants don't become straggly and untidy but remain neat and uniform. This beautiful formulated mixture comes in a wide range of colours. They are highly floriferous with outstanding garden performance in most conditions and look a real knock-out in containers, baskets and border edging. Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer. More info
    • 1 packet (75 petunia seeds)

    • Despatch: Within 1 days
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    • £0.99

Begonia x tuberhybrida 'Show Angels Mixed' F1 Hybrid

These exquisite begonias are the premier basket and container plant. With pendulous habit and an abundance of large, mostly fully double flowers, the selection contains some delightful picotees. They flower early, are uniform with vigour, and have good mildew resistance. Well worth the money! Height: 20-25cm (8-10in).

Culinary note: Add the bright coloured petals to sandwiches or salads for a light lemon taste and crisp texture. For more details about edible flowers click here.

More info
    • 1 packet (40 begonia seeds)

    • Despatch: Within 1 days
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    • £0.99

Begonia x tuberhybrida 'Nonstop® Rose Petticoat' F1 Hybrid

Without doubt, a fantastic new colour to the 'Non-Stop®' series. Large,10cm (4in) eye-catching, deeply frilled, fully double blooms of white with a deep rose picotee. Height: 20-25cm (8-10in).

Culinary note: Add the bright coloured petals to sandwiches or salads for a light lemon taste and crisp texture. For more details about edible flowers click here.

More info
    • 1 packet (25 begonia seeds)

    • Despatch: Within 1 days
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    • £0.99

Laurentia 'Stargazer Mixed'

Isotoma axillaris, Solenopsis axillaris

 Customer Rating
Attractive domes of fine foliage burst into colour with five-petalled evening-scented flowers. Superb in baskets, containers and Flower Pouches®. Sow before the end of January for flowers from July onwards.
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    • 1 packet (60 laurentia seeds)

    • Despatch: Within 1 days
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    • £0.99

Petunia grandiflora 'Limoncello' F1 Hybrid

The best ever yellow Petunia! Bushy, compact and free-flowering, with large wavy blooms in an attractive two tone creamy-yellow bicolour, resembling the delicious Italian liqueur. Adds a zest of lemon to borders or containers. Prefers a light, well drained soil in full sun. Height 20-25cm (8-10 inches). Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer. More info
    • 1 packet (40 petunia seeds)

    • Despatch: Within 1 days
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    • £2.99

Petunia hybrida 'Purple Tower' F1 hybrid

  •  Customer Rating
    Fastest climbing petunia from seed
Petunia hybrida 'Purple Tower' comes straight from T&M's own breeding programme. Long stems and astonishing vigour make this the fastest climbing petunia available from seed - easily scaling a 120cm (4ft) climbing frame by the end of the summer. Train the free-flowering stems onto a plant climbing support for a pillar of fragrant blooms, or let them spread through beds and borders as a carpet of colourful ground cover. The perfect focal point for your garden this summer! Height and spread: 120cm (48").
More info
    • 1 packet (30 petunia seeds)

    • Despatch: Within 1 days
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    • £2.69

Busy Lizzie 'Divine Mixed' (New Guinea)

Impatiens x hawkeri

Cut the risk of disease with this robust, downy mildew resistant New Guinea Impatiens. Busy Lizzie 'Divine' flowers endlessly, in a wonderful bright colour mix, from June to November on strong, spreading plants that will quickly fill pots and cover beds and borders. Height: 30cm (12"). Spread: 35cm (14"). More info
    • 1 packet (15 Busy Lizzie seeds)

    • Despatch: Within 1 days
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    • £4.29

Petunia x hybrida 'T&M's Global Grandiflora' F1 Hybrid

Here is the ultimate colour selection in large flowered single Petunias. Virtually every colour, veined, starred, picotees, solids, pastels and bicolours are here formula blended. Extremely uniform, eye-dazzlingly colourful in beds, borders or containers. Height: 23-30cm (9-12in). Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer.
More info
    • 1 packet (100 petunia seeds)

    • Despatch: Within 1 days
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    • £3.19

Petunia x hybrida 'Purple Velvet' F1 Hybrid

The best ever basket petunia from seed! 'Purple Velvet' out-performs expensive cutting raised Surfinia petunias. Trailing stems, up to 1m (3ft) in length, are continuously smothered in velvety, purple blooms until the first frosts.Excellent for baskets and containers. Can also be planted in borders where it will make very effective ground cover. Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer. More info
    • 1 packet (12 petunia seeds)

    • Despatch: Within 1 days
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    • £3.99