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 9 products.
 

Laurentia 'Avant-Garde Blue' F1 Hybrid - Kew Collection Seeds

Isotoma, Solenopsis axillaris

T&M's flower breeders have struck gold with the first ever F1 Hybrid Laurentia to be entered into the Fleuroselect trials. Both 'Avant-Garde Blue' and 'Pink' have the same uniform, vigorous plant habit and have earlier scented, star shaped blooms which are produced in abundance over a long flowering season.Your garden will be filled with colour all summer.Height: 25-30cm (10-12in).
More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.09

Salvia splendens 'Red Arrow' - Kew Collection Seeds

Scarlet Sage

An excellent all-rounder. Red Arrow produces lots of vivid red flowers set-off against deep green foliage and its excellent lateral branching habit makes it very effective in mass displays in beds, borders etc. Recommended also for window boxes, patio tubs, containers etc. Flowers summer. Height 28cm (11 in). More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.09

Antirrhinum pendula multiflora 'Chinese Lanterns' F1 Hybrid - Kew Collection Seeds

Snapdragon

Trailing. A breeding triumph: cascading Antirrhinums! In a mixture of seven colours, including pure colours and bicolours, the "Snapdragon" flowers are borne on self branching, vigorous plants. Ideally made for hanging baskets, containers and window boxes. More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Verbena x hybrida 'St George' - Kew Collection Seeds

Glandularia, Vervain, Verbena x hortensis

The best Verbena we have ever seen in our trials. Mildew resistant plants, with deep green foliage and a spreading habit will easily fill an area of 40 x 40cm (16 x 16in). Stunning red and white flowers smother the plants, adding a patriotic feel to your borders or containers. Height: 15-25cm (6-10in).
More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £2.09

Nasturtium 'Whirlybird Cream' - Kew Collection Seeds

Tropaeolum majus, Indian Cress

A delicious separate colour with creamy butter-milk, semi-double flowers held well above rich green foliage.

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

More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
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    • £2.29

Petunia 'Strawberry Sundae' - Kew Collection Seeds

A large flowered multiflora with a gorgeous colour combination of strawberry-red veining in a star pattern, on a blush background.Flowering over a long period on bushy, uniform plants. Height: 23-30cm (9-12in). More info
    • 1 packet (65 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Aster 'Moonshine Mixed' - Kew Collection Seeds

Callistephus chinensis, China Aster

A colourful combination of Blue Moon and Bright Rose pom-poms, with a paler circle of light around the edge of each flower, shining like a halo around the moon. Outstanding in borders, or as a cut flower. More info
    • 1 packet (120 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Gomphocarpus physocarpus - Kew Collection Seeds

Swan Plant, Hairy Balls, Asclepias physocarpa

A slender, deciduous shrub, often treated as an annual. Quick and easy to grow, producing stems of insignificant flowers that magically transform into unusual translucent , soft, spiny balloons. Adds fun to borders and cut flower arrangements. More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £1.59

Zinnia elegans 'Swizzle Cherry & Ivory' - Kew Collection Seeds

Zinnias have certainly increased in popularity as summer bedding in recent years. Swizzles are sure to brighten any display with their eye-catching, bicoloured flowers, in vibrant shades of cherry and ivory. The dwarf, bushy free-flowering plants have exceptional garden performance in sunny borders or in containers, as well as attracting a variety of butterflies to your garden. Height: 25-30cm (10-12in).
More info
    • 1 packet (10 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99