Thompson & Morgan

Important delivery notice
The products on this site are only delivered to UK addresses. If you require delivery to another country please visit one of our other sites below.

Refine Results

Refine by..

Email Newsletter

Sign up to our newsletter

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.



We have found 26 products.
 

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
    •  
    • £0.99

Nemesia strumosa 'KLM'

Cape Jewels

The top petals are rich blue in clear contrast to the lower petals' creamy whiteness. Lots of flowers, smaller than the large flowered strains, even in height 25cm (10in) and with universal appeal. Named after the Dutch airway KLM whose company colours are blue and white. An excellent companion to our red and white Nemesia Mello. Use it in beds, borders etc, to brighten up the garden or in tubs, planters, on the patio or even as a windowsill pot plant. Flowers summer. Height 25cm (10in.)

More info
    • 1 packet (400 nemesia seeds)

    • Despatch: Within 1 days
    •  
    • £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: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (25 begonia seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

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
    •  
    • £3.99

Nemesia strumosa compacta 'Tapestry'

Cape Jewels

Bushy upright plants in a rich tapestry of colours which complement and contrast, in a very wide range including an eye-catching blue and white. The result is a superb glowing carpet of colour. More info
    • 1 packet (350 nemesia seeds)

    • Despatch: Within 1 days
    •  
    • £2.49

Portulaca grandiflora 'Happy Hour Mixture'

Rose Moss, Purslane

These dwarf trailing succulents simply love hot, dry conditions, making them perfect for ground cover, tumbling down banks or spilling out from rockeries. The large, semi double blooms open in full sun to reveal their spectacular tropical colours against a backdrop of fleshy foliage. Portulaca grandiflora 'Happy Hour Mixture' is drought tolerant once established and copes well with coastal conditions. Height: 25cm (10"). Spread: 30cm (12"). More info
    • 1 packet (80 portulaca seeds)

    • Despatch: Within 1 days
    •  
    • £2.49

Gazania splendens 'New Day Mix' F1 Hybrid

Treasure Flower

A sensational blend of vibrant Gazania, bringing together all forms of colours and stripes in one fabulous mix. The short stems support large, wide blooms that open quickly and remain open for longer. Gazania splendens 'New Day Mix' are ideal for adding long lasting colour to summer bedding schemes and patio containers. These versatile plants will even tolerate windy coastal positions. Height and spread: 25cm (10"). More info
    • 1 packet (20 gazania seeds)

    • Despatch: Within 1 days
    •  
    • £3.49

Rudbeckia hirta 'Toto'

Coneflower, Black-eyed Susan

Dwarf, compact plants which have plenty of strong side shoots and many rich golden-yellow blooms, each with a deep chocolate central cone. Early to flower over a long period and looking great in all types of weather. An ideal candidate for containers, bedding or grown in groups in the border. Flowers summer. Height: 25cm (10in).
More info
    • 1 packet (50 rudbeckia seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Verbena x hybrida 'St George'

Glandularia, Vervain, Verbena x hortensis

The best Verbena we have ever seen in our trials. Mildew resistant plants, with deep green foliage and a spreading habit will easily fill an area of 40 x 40cm (16 x 16in). Stunning red and white flowers smother the plants, adding a patriotic feel to your borders or containers. Height: 15-25cm (6-10in).
More info
    • 1 packet (100 verbena seeds)

    • Despatch: Within 1 days
    •  
    • £2.49

Gazania splendens 'Kontiki Stars & Stripes' F1 Hybrid

Treasure Flower, Gazania rigens

With striking stripes similar to Gazania Tiger Stripes, this remarkable variety offers more colour tones as well as some spotted types. Very free flowering and eye-catching in borders or containers, this beautifully balanced blend of pink, magenta, gold, purple, mahogany and cream will complement any garden.

More info
    • 1 packet (20 gazania seeds)

    • Despatch: Within 1 days
    •  
    • £3.99

Gazania 'Big Kiss White Flame' F1 Hybrid

Treasure Flower

A 'Big' addition to the 'Kiss' Gazania series. Possibly the largest-flowered bedding gazania from seed, the flowers of Gazania Big Kiss are 50% bigger than those of traditional varieties - each bloom is an amazing 12cm (4½in) in diameter! The white and rose striped petals of Gazania Big Kiss White Flame are simply stunning. Flowers all summer in a sunny garden situation - in borders or in containers on the patio. More info
    • 1 packet (15 gazania seeds)

    • Despatch: Within 1 days
    •  
    • £3.99

Phlox drummondii 'Moody Blues'

Annual Phlox

Free flowering in a beautiful range of attractive blue shades, this easy to grow, half hardy annual is a cottage garden classic. Phlox drummondii 'Moody Blues' has a compact bushy habit that makes it ideal for planting in loose drifts at the edge of borders, and performs equally well in containers. Annual Phlox also makes a delightful cut flower so you can enjoy it in your home too! Height: 25cm (10"). Spread: 30cm (12"). More info
    • 1 packet (175 phlox seeds)

    • Despatch: Within 1 days
    •  
    • £1.99