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. For direct sowing take a look at our stunning range of hardy annual seeds.



We have found 11 products.
 

Lobelia erinus 'Blue Wings'

On T&M's trials we believe we have found the largest flowered bedding lobelia available. Exceptionally abundant cobalt blue flowers cover compact mounds of foliage. With superb weather resistance Lobelia 'Blue Wings' makes a sparkling addition to beds, containers, flower Pouches® and window-boxes. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Height: 15cm (6"'). Spread: 20cm (8"'). More info
    • 1 packet (1000 lobelia seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Aster 'Starlight Mixed'

Callistephus chinensis, China Aster

One of the best dwarf Asters! Intriguing spider-like flowers smother compact basal branched plants in attractive shades of blue, purple, scarlet and rose. Early to flower, adding a colourful display to borders or patio containers over a long flowering period. Height: 20cm (8in). More info
    • 1 packet (150 aster seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

Lobelia erinus 'Paper Moon'

One of the best compact, pure white varieties available with early flowers that have a remarkably high percentage of true colour. Lobelia 'Paper Moon' makes a sparkling addition to beds, containers, flower Pouches® and window-boxes, and even looks well placed in the rockery. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Height and spread: 20cm (8"). More info
    • 1 packet (1500 lobelia seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Marigold 'Starfire'

Tagetes tenuifolia, Signet Marigold

Dwarf, compact and neat plants. The flowers in a rich colour range are produced in abundance superb for bedding, edging and containers. Flowers early summer to frost. Height 15-20cm (6-8in).

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

More info
    • 1 packet (300 marigold seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Lobelia erinus 'Bushy Collection'

Lobelia makes a sparkling addition to beds, and containersand even looks well placed in the rockery. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Height: 10cm (4"). Spread: 15cm (6").

Collection comprises one packet each of:
Lobelia 'Crystal Palace' - Dainty, deep blue lobelia flowers smother neat globes of foliage.
Lobelia 'Cambridge Blue' - A compact variety that holds an RHS AGM for its excellent garden performance.
Lobelia 'Paper Moon'- One of the best compact, pure white varieties available.

More info
    • 3 packets - 1 of each variety (6500 lobelia seeds in total)

    • Despatch: Within 1 days
    • SAVE £1.08  
    • £7.07 £5.99

Lobelia erinus 'Mrs Clibran Improved'

Very useful for edging. Deep-blue flowers with a pretty, contrasting white eye. More info
    • 1 packet (2000 lobelia seeds)

    • Despatch: Within 1 days
    •  
    • £2.19

Gazania 'Kiss Gold' F1 Hybrid

Treasure Flower

Very early and free flowering even in dull, cool weather. Naturally compact, strong basal branches, ensuring multiflowering plants. Ideal for borders, and containers. More info
    • 1 packet (20 gazania seeds)

    • Despatch: Within 1 days
    •  
    • £3.69

Gazania 'Kiss Rose' F1 Hybrid

Treasure Flower

Very early and free flowering even in dull, cool weather. Naturally compact, strong basal branches, ensuring multiflowering plants. Ideal for borders, and containers. More info
    • 1 packet (20 gazania seeds)

    • Despatch: Within 1 days
    •  
    • £3.69

Gazania 'Kiss Bronze' F1 Hybrid

Treasure Flower

Very early and free flowering even in dull, cool weather. Naturally compact, strong basal branches, ensuring multiflowering plants. Ideal for borders, and containers. More info
    • 1 packet (20 gazania seeds)

    • Despatch: Within 1 days
    •  
    • £3.69

Gazania 'Kiss White' F1 Hybrid

Treasure Flower

 Customer Rating
Very early and free flowering even in dull, cool weather. Naturally compact, strong basal branches, ensuring multiflowering plants. Ideal for borders, and containers.
More info
    • 1 packet (20 gazania seeds)

    • Despatch: Within 1 days
    •  
    • £3.69

Gazania 'Kiss Collection' F1 Hybrid

Treasure Flower

Very early and free flowering even in cool weather. Naturally compact, multiflowering plants in four bright separate colours. Ideal for borders and containers. Collection comprises one packet each of: Gold, Bronze, Rose and White. More info
    • 4 packets - 1 of each variety (80 gazania seeds in total)

    • Despatch: Within 1 days
    • SAVE £4.77  
    • £14.76 £9.99