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 325 products.
 

Cosmos bipinnatus 'Sweet Sixteen'

 Customer Rating

Eye-catching soft blushed pink blooms, each have distinct darker pink picotee edges and an attractive double frill in the centre of each flower. Cosmos Sweet Sixteen is ideal for adding height and interest to borders as well as making an intriguing cut flower.

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    • 1 packet (70 seeds)

    • Despatch: Within 3 days
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    • £2.99

Zinnia elegans 'Purple Prince'

 Customer Rating

Outstanding in Thompson & Morgan trials, these robust plants show excellent garden performance, flowering over a long period and producing an abundance of fully double, deep pink-purple, dahlia-like flowers. This is a taller-than-usual variety of zinnia which will add colour and height to border displays as well as to cut flower arrangements. Zinnia Purple Prince will flower all summer until the first frosts, attracting bees and butterflies as well as the admiration of your neighbours!

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    • 1 packet (100 seeds)

    • Despatch: Within 3 days
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    • £1.99

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).
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    • 2 packets - 1 of each variety (20 pellets in total)

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

Marigold 'Konstance'

Tagetes patula x erecta, Afro-French Marigold

Large, double mahogany blooms smother this fabulous Afro-French Marigold from midsummer right through to the autumn. Marigold ‘Konstance’ proved to be quite outstanding in T&M’s trials, combining the superb garden performance, resilience, and weather resistance of its French parentage with the showy blooms from its African lineage. These bushy little plants are neat and robust - just perfect for filling beds and containers or edging borders with long lasting colour. Height and spread: 35cm (14").

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

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    • 1 packet (100 marigold seeds)

    • Despatch: Within 3 days
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    • £0.99

Nicotiana x sanderae 'Fragrant Cloud'

Tobacco Plant

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

    • Despatch: Within 3 days
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    • £2.19

Cosmos bipinnatus 'Psyche White'

Glistening pure white semi-double and single, large, wavy, upright blooms stand proud above deep green ferny foliage. Flowers non-stop from mid summer until autumn adding height and interest to borders, or as a striking cut flower.
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    • 1 packet (75 seeds)

    • Despatch: Within 3 days
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    • £2.89

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 (12”). Spread: 45cm (18”).

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

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    • 1 packet (15 seeds)

    • Despatch: Within 3 days
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    • £3.99

Nasturtium 'Climbing Mixed'

Tropaeolum majus, Indian Cress

These long-flowering vigorous climbing plants look spectacular when trained over walls, fences and hedges. They lack tendrils, but will scramble happily over trellis work, sheds, fences etc. Flowers summer-autumn. Climber.

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

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    • 1 packet (40 seeds)

    • Despatch: Within 3 days
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    • £2.09

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.

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    • 1 packet (25 seeds)

    • Despatch: Within 3 days
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    • £3.49

Marigold 'Durango Tangerine' F1 Hybrid

Tagetes patula, French Marigold

A luxuriant variety with intense, rich, orange anemone-like flower heads, borne on branching, uniform plants. Exceptionally early flowering with outstanding garden performance. Height: 20-25cm (8-10in).

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

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    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    • HALF PRICE  
    • £2.69 £1.34

Zinnia elegans 'Giant Double Mixed'

Large double flowers and long rigid stems which make them ideal for cutting. The symmetrical form of each flower makes it a thing of beauty in itself. A good blend of the best colours with giant 11cm (4½in) blooms . More info
    • 1 packet (60 seeds)

    • Despatch: Within 3 days
    •  
    • £2.59

Lobelia erinus 'Cascade Mixed'

 Customer Rating

These trailing lobelia plants produce fountains of bloom in burgundy, violet, lilac and Cambridge blue, as well as a few bicolours! Lobelia 'Cascade' Mixed makes a sparkling addition to containers, flower Pouches® and window-boxes. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Trails to: 25cm (10”). Spread: 15cm (6”).

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    • 1 packet (1500 seeds)

    • Despatch: Within 3 days
    • HALF PRICE  
    • £2.69 £1.34