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 7 products.

Cosmos bipinnatus 'Capriola'

You won't be able to resist this showy new Cosmos in your summer borders. 'Capriola' carries plenty of bright, two-tone flowers, which are produced on branching plants all summer long. Easy to grow from seed this stunning cosmos is good for beds, borders and large patio containers. Height 120cm (47"). Spread: 60cm (24"). More info
    • 1 packet (30 cosmos seeds)

    • Despatch: Within 1 days
    • £2.99

Petunia grandiflora 'Sophistica Lime Bicolour' F1 Hybrid

An abundance of intriguingly coloured blooms, each one individually marked with dramatic splashes and stripes of pale lime green and rose pink. This is a colour combination never before seen in petunias, so Petunia grandiflora Sophistica Lime Bicolour is sure to attract attention and admiration in borders or containers where it will flower all summer. More info
    • 1 packet (12 petunia seeds)

    • Despatch: Within 1 days
    • £0.99

Phlox drummondii 'Cherry Caromel'

Annual Phlox

Sow this beauty straight outdoors or raise in modules for extra early colour! An extra special Phlox for beds, borders and containers. You won't be able to resist the fantastically rich caramel flowers with vibrant cherry centres! Let it take pride of place at the front of your border, or in specially-chosen patio containers. Phlox drummondii 'Cherry Caromel' is a plant to show off with, make sure to cut some for vase displays too! Height: 25cm (10"). Spread: 30cm (12"). More info
    • 1 packet (200 phlox seeds)

    • Despatch: Within 1 days
    • £1.69

Gazania 'Big Kiss White Flame' F1 Hybrid

Treasure Flower

A 'Big' addition to the 'Kiss' Gazania series. Possibly the largest-flowered bedding gazania from seed, the flowers of Gazania Big Kiss are 50% bigger than those of traditional varieties - each bloom is an amazing 12cm (4½in) in diameter! The white and rose striped petals of Gazania Big Kiss White Flame are simply stunning. Flowers all summer in a sunny garden situation - in borders or in containers on the patio. More info
    • 1 packet (15 gazania seeds)

    • Despatch: Within 1 days
    • £3.99 £0.99

Petunia x hybrida 'Chiffon Morn'

A 1995 All America Selections Bedding Plant Award Winner. An excellent variety, with large, early blooming flowers, which are rain resistant and a delightful soft candy pink. Chiffon Morn provides attractive, low and compact mounds of flower right through the season whatever the weather. Flowers summer. 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.
More info
    • 1 packet (80 petunia seeds)

    • Despatch: Within 1 days
    • £3.89

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 £0.99

Laurentia (Duo)

Isotoma, Solenopsis axillaris

Collection comprises one packet each of Avant-Garde Blue & Avant-Garde Pink: 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
    • 2 packets - 1 of each variety (100 laurentia seeds in total)

    • Despatch:
    • SAVE £1.49  
    • £4.98 £3.49
    • Out of stock