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 181 products.
 

Marigold 'Tomato Growing Secret'

Tagetes patula, French Marigold

For many decades in certain parts of the old world it has been the practice to grow African or French marigolds of a certain type to repel white fly on tomatoes in greenhouses or outdoors. It has also been found that the tomatoes grow better and bear more fruit with marigolds around them.

 

Culinary note: French Marigold flowers are edible.

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

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
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    • £3.99

Antirrhinum majus 'Circus Clowns'

Snapdragon

A colourful twist on a cottage garden favourite! The bright bicolour blooms of this cheery Snapdragon mix will bring something different to your summer beds and borders. Medium height spires stand proudly above bushy, well branched plants that show outstanding garden performance. The upright flower spikes are always a magnet for pollinating insects and make excellent cut flowers. Antirrhinum majus 'Circus Clowns' makes a vibrant display in patio containers or planted en masse for a big impact in beds and borders. Height: 45cm (18"). Spread: 35cm (14"). More info
    • 1 packet (200 antirrhinum seeds)

    • Despatch: Within 3 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.
More info
    • 1 packet (500 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Thunbergia alata 'Superstar Orange'

Black-eyed Susan

 Customer Rating
A stunning bright orange Black-Eyed Susan with the largest flowers we have ever seen on a seed raised Thunbergia. Vigorous plants quickly cover a trellis against a sunny fence, or look spectacular growing up an obelisk in a container.
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    • 1 packet (12 seeds)

    • Despatch: Within 3 days
    • HALF PRICE  
    • £3.99 £1.99

Dahlia variabilis 'Bishop's Children'

A fiery mix of such striking colour, yet with the innocent flower faces of Bishop's Children. Mid-height, and blends extremely well into borders. However, be warned that a colour eruption may occur! Spectacular in bedding and containers, and as a cut flower.Height: 60-75cm (24-30 inches). Planting distance 12-18 inches.
More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Petunia 'Trailing Trio' Offer

The best-ever trailing petunias from seed! These spectacular cascading varieties will outperform expensive cutting-raised Surfinia® petunias every time, producing trailing stems of up to 1m (3ft) in length, continuously smothered in blooms all summer until the first frosts. 'Rose Vein Velvet' is the latest colour in the 'Velvet' series and promises to be as impressive as its forebears. Stunning in baskets, window boxes and other containers as well as in borders, where they make very effective and colourful ground cover.
Collection includes the varieties 'Purple Velvet', 'Rose Vein Velvet' and 'Salmon Velvet'.
More info
    • 1 packet of each variety (36 seeds in total)

    • Despatch: By end of March 2015
    • SAVE £2.38  
    • £11.37 £8.99

Dahlia variabilis 'Giant Hybrids Mixed'

 Customer Rating

Huge flowered, double, semi-double and a few singles of the best cut flower varieties. Height: 90-150cm (3-5ft).

More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    • HALF PRICE  
    • £2.99 £1.49

Bacopa (Duo)

Sutera cordata

Collection comprises one packet each of Blutopia Blue and Snowtopia White: Two delightful colour selections - one snow-white and one lilac-blue - spectacular when planted on their own or with other plants in baskets or containers. Sold as a multiseeded pellet for easy sowing into modules or Jiffy 7's to aid easy planting. Trailing stems up to 45cm (18in).
More info
    • 2 packets - 1 of each variety (20 pellets in total)

    • Despatch: Within 3 days
    • SAVE £1.79  
    • £7.78 £5.99

Nicotiana x sanderae 'Fragrant Cloud'

Tobacco Plant

A very attractive and free flowering type with large pure white sweetly scented flowers on sturdy plants.
More info
    • 1 packet (1000 seeds)

    • Despatch: Within 3 days
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    • £2.19

Begonia 'Apricot Shades'

Begonia x tuberhybrida 'Apricot Shades Improved' F1 Hybrid

 Customer Rating
A best seller, Begonia Apricot Shades is as versatile as it is beautiful! Large, cascading double blooms in sunshine shades of apricot and lemon will pour from your containers from July to October. These tuberous begonias will perform whatever the weather, in sun or semi shade. The trailing habit of Begonia Apricot Shades makes them ideal for hanging baskets, window boxes and flower pouches for a really impressive display that will light up even a shady corner. Height: 30cm (12Ó). Spread: 45cm (18Ó).

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Rudbeckia hirta 'Prairie Sun'

Coneflower, Black-eyed Susan

 Customer Rating

An impressive debut for beds and borders, this unique new plant was awarded a Fleuroselect Gold Medal. The unusual blooms with central green cones and bright orange petals radiating back to lemon yellow, make dazzling cut flowers.

More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
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    • £3.49