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 4 products.

Cobaea scandens

Cup And Saucer Vine, Cathedral Bells, Cups And Saucers, Mexican Ivy

 Customer Rating
A showy climber for the cool greenhouse, conservatory, and also forming a very decorative screen on trellis or south facing wall in milder areas. The large bell shaped 'cup and saucer' flowers are often 6cm (2½ in) across. Flowers late summer. Climber.
More info
    • 1 packet (9 cobaea seeds)

    • Despatch: Within 1 days
    • £2.99

Phlox hybrida compacta 'Peppermint Candy'

Delicious sparkling red, green and white striped flowers, appear like small, crystallised sweeties above the neat compact mounds of foliage, creating a mouthwatering display on a sunny patio. More info
    • 1 packet (80 phlox seeds)

    • Despatch: Within 1 days
    • £1.49

Nasturtium 'Troika Collection'


Sow directly into hanging baskets, window boxes and pots. This stunning nasturtium has been specially bred for containers, rewarding you with a glorious tumbling habit. They're so easy to grow, and will romp away all summer long with spotted blooms and marbled foliage. Mix it with your other favourite basket plants or plant it as a strong single specimen display.

This collection comprises 1 packet each of:
Nasturtium 'Troika' Orange
Nasturtium 'Troika' Cream
More info
    • 2 packets - 1 of each variety (60 seeds in total)

    • Despatch:
    • £3.99
    • Out of stock

Cobaea scandens f. alba

Cup And Saucer Vine, Cathedral Bells, Cups And Saucers, Mexican Ivy

A spectacular climbing plant for the summer garden or the conservatory. This very choice creamy white form of Cathedral Bells or The Cup and Saucer Plant comes from Mexico and quickly grows to cover unsightly areas or a wall outdoors, where it can be treated as a summer annual. Alternatively it may be grown in the heated conservatory or greenhouse, where it will continue to flower for many years. Flowers summer. Climbing Height 3-6 metres (10-20ft). More info
    • 1 packet (4 cobaea seeds)

    • Despatch: Within 1 days
    • £2.99