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.



We have found 78 products.
 

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.
More info
    • 1 packet (500 seeds)

    • Despatch: Within 3 days
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    • £2.99

Antirrhinum nanum 'Twinny Appleblossom' F1 Hybrid

Snapdragon

You can look forward to an extra long lasting display from this fully double snapdragon, because the flowers are so tightly ruffled that insects struggle to pollinate them. This superb variety has a basal branching habit that produces compact, bushy plants. An outstanding garden performer, Antirrhinum nanum 'Twinny Appleblossom' is perfect for filling your borders, beds and containers with pretty pastel shades throughout summer. Height: 30cm (12"). Spread: 25cm (10"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
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    • £3.39

Petunia x hybrida 'Sparklers'

  • Fleuroselect Approved Novelty
The first ever star-shaped petunia from seed! A white version of this uniquely-shaped flower was originally sent to us by a customer in 1998. After 10 years of breeding and many generations of selection, the perfect star shape was obtained as well as this fabulous range of colours. Even the foliage of Petunia x hybrid 'Sparklers' is unusual, being pointed rather than rounded. Grow this striking variety in containers or let its spreading stems spill over the edges of hanging baskets for a most unusual summer display. Height: 30cm (12"). Spread: 35cm (14").
More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.89

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 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

Petunia hybrida 'Salmon Velvet' F1 Hybrid

The best ever trailing Petunia from seed! Following the success of our customer favourite Purple Velvet we have the next colour in the series - Salmon Velvet. These will outperform expensive cutting-raised Surfinia Petunias. Producing trailing stems up to 1m (3ft) in length, continuously smothered in blooms all summer until the first frosts. 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 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

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 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Mesembryanthemum 'Sparkles Mixed'

Dorotheanthus bellidiformis, Livingstone Daisy, Ice Plant

 Customer Rating

At last! A plant that not only tolerates, but positively thrives in dry, hot, sunny borders and rockeries! The succulent, fleshy-leaved plants cover the ground quickly, and become clothed in a rich carnival of colour all summer long.

More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99

Antirrhinum majus 'Kim Bicolor Mixed' F1 Hybrid

Snapdragon

An exclusive cocktail of bright, bicoloured blooms, freely flowering on dwarf, compact, well-branched plants. Sure to create a dazzling display when used for bedding, containers or borders.
More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
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    • £2.89

Antirrhinum 'Axiom Series Mixed' F1 Hybrid

Snapdragon

The highest quality Antirrhinum we have ever trialed. Long, tall flower spikes, with a strong, upright habit in a magnificent formula mixture of seven stunning colours. Ideal for adding height to borders or as a long lasting cut flower. Height: 90-110cm (36-42in) More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £3.79

Senecio cineraria 'Silver Dust'

Senecio maritimus, Senecio candicans, Cineraria maritima

A half hardy perennial best treated as a half hardy annual, this is a showy bedding plant producing a 20-25cm (8-10in) mound of finely divided silvery white foliage. Use it as an edging to the border, as feature plants or in pots.
More info
    • 1 packet (400 seeds)

    • Despatch: Within 3 days
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    • £1.99

Cleome hassleriana 'Colour Fountain Mixed'

Cleome spinosa, Spider Flower

Bushy, screen, or border plant with spiralling scented sprays in pink, rose, lilac, purple, carmine and white.
More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
    •  
    • £2.59

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 seeds)

    • Despatch: Within 3 days
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    • £3.49