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 57 products.
 
Petunia x hybrida 'Sparklers'

Petunia x hybrida 'Sparklers'

  • NEW in 2013
  • 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 2 Days
    •  
    • £2.49
Petunia X Hybrida Purple Velvet F1 Hybrid

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 2 Days
    •  
    • £3.69
Petunia Hybrida Salmon Velvet F1

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 2 Days
    •  
    • £3.69
Petunia X Hybrida Super Cascade Improved F1

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 2 Days
    •  
    • £3.99
Mesembryanthemum Sparkles Mixed

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 2 Days
    •  
    • £1.99
Mesembryanthemum Criniflorum Apricot Tutu

Mesembryanthemum criniflorum 'Apricot Tutu'

Dorotheanthus bellidiformis, Livingstone Daisy, Ice Plant

Apricot Tu Tu creates a glowing display of gorgeous apricot, frilled blooms. A quick carpeting plant which will practically paint the ground in colour. Very tough and easily grown.

 More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
Gazania splendens 'New Day Mix' F1 Hybrid

Gazania splendens 'New Day Mix' F1 Hybrid

Treasure Flower
  • NEW in 2013
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 2 Days
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    • £2.99
Osteospermum Sinuata African Sun

Osteospermum 'African Sun'

Dimorphotheca sinuata, African Daisy, Star of the Veldt, Dimorphotheca aurantiaca

Bushy, free-flowering plants, like a radiant sun with eye-catching golden yellow and vibrant orange bicoloured blooms. Stunning n containers as well as hot, dry borders, attracting bees and butterflies. Plant with African Moon for a perfect combination. Height: 30-45cm (12-18 inches).

 More info
    • 1 packet (80 seeds)

    • Despatch: Within 2 Days
    • SAVE £1.40  
    • £2.39 £0.99
Salvia Splendens Blaze Of Fire

Salvia splendens 'Blaze of Fire'

Scarlet Sage, Salvia splendens 'Fireball'
One of the most famous summer annual bedding plants, long flowering, early flowering, compact and neat. It is a frost tender annual. Ideal for bedding and edging. Other excellent sites are windowboxes and tubs. Flowers summer. Height 30cm (12in). More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £2.29
Petunia Hybrida Rose Vein Velvet F1 Hybrid

Petunia x hybrida 'Rose Vein Velvet' F1 Hybrid

 Customer Rating

The best-ever basket petunia from seed! Petunia Rose Vein Velvet is the latest colour in the velvet series and promises to be as impressive! Like the others in the series, Rose Vein Velvet will out-perform expensive cutting raised Surfinia petunias. The lovely trailing stems, up to 1m (3ft) in length, look fantastic in baskets, window boxes and other containers where they will be continuously smothered in blooms all summer long. Also makes useful and attractive ground cover.

 More info
    • 1 packet (12 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.99
Mesembryanthemum Criniflorum Magic Carpet Mixed

Mesembryanthemum criniflorum 'Magic Carpet Mixed'

Dorotheanthus bellidiformis, Livingstone Daisy, Ice Plant

  Customer Rating
Carpet like growth with leaves that appear to be sprinkled with ice crystals. Produces a glowing display in full sun on beds, borders, dry banks, rockeries, etc. More info
    • 1 packet (2600 seeds)

    • Despatch: Within 2 Days
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    • £1.99
Petunia Grandiflora Double Cascade Burgundy Plum Vein F1

Petunia grandiflora 'Double Cascade Burgundy Plum Vein' F1 Hybrid

Giant, fully double flowers of burgundy or plum veined, often more than 10cm (4in) across! Add to this its cascading habit and you have one of the very best basket and container plants creating a waterfall of pleated powderpuffs all summer long. 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.Click here to buy now. More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
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    • £3.69