Thompson & Morgan

Important delivery notice
The products on this site are only delivered to UK addresses. If you require delivery to another country please visit one of our other sites below.

Refine Results

Refine by..

Email Newsletter

Sign up to our newsletter

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 16 products.
 
Bacopa Cordata Snowtopia White

Bacopa cordata 'Snowtopia White'

Sutera cordata
  • Spectacular trailing habit

The trailing, evergreen stems of this half-hardy basket filler bear a smothering of snow white flowers throughout summer. Let bacopa plants tumble from mixed patio containers and baskets for a brilliant display throughout summer. Height: 15cm (6"). Spread: 45cm (18").


Please note: This seed is sold as a multi-seeded pellet for easy sowing into modules or Jiffy 7’s to aid easy planting.

 More info
    • 1 packet (10 pellets)

    • Despatch: Within 2 Days
    •  
    • £3.49
Cosmos Bipinnatus Sweet Sixteen

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.

 More info
    • 1 packet (70 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Cosmos Bipinnatus Purity

Cosmos bipinnatus 'Purity'

Ferny foliage and graceful pure white flowers up to 4in or more in diameter make this an effective and popular, easy annual. Flowers summer to autumn. Height 3 to 4 feet. More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Cosmos Bipinnatus Psyche White

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. More info
    • 1 packet (75 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Cosmos Bipinnatus Double Click Snow Puff

Cosmos bipinnatus 'Double Click Snow Puff'

The spectacular white, pom-pom flowers with a delicate hint of blushed pink of Cosmos Double Click Snow Puff sit on sturdy stems making this latest colour in the 'Double Click' series. Makes an excellent cut flower as well as adding height and interest to borders all summer. More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Cosmos Bipinnatus Sonata Series White

Cosmos bipinnatus 'Sonata Series White'

A Fleuroselect Award Winning variety with purest white blooms. This beautiful dwarf Cosmos reaches a maximum height of 60cm (24”) making it perfectly proportioned for sunny borders and containers. The 8cm (3”) wide, daisy-like blooms of Cosmos ‘Sonata Series White’ float above the finest lacy foliage. Strong stems and a long vase life make this compact annual ideal for cutting for an elegant bouquet. Cosmos ‘Sonata Series White' is particularly useful for exposed positions. Height: Up to 60cm (24”). Spread: 45cm (18”). More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.69
Zinnia Marylandica Zahara Starlight Rose

Zinnia marylandica 'Zahara Starlight Rose'

Truly spectacular 2010 AAS award-winning bedding plant! The pretty white flowers with an attractive pinky-rose centre are 6cm (2.5in) across when fully open. Bushy, dwarf plants flower freely and are so tolerant of such conditions as heat, humidity and drought that they were planted extensively in floral displays at the Beijing Olympics.

Non-stop-flowering Zinnia Zahara Starlight Rose follows on from the success of Zahara Yellow and will similarly attract beneficial insects, such as butterflies, to the garden. A real ‘must’ for borders this season!

 More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99

Lobelia erinus 'Mrs Clibran Improved'

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

    • Despatch: Within 2 Days
    •  
    • £2.09
Osteospermum Pluvialis Glistening White

Osteospermum 'Glistening White'

Dimorphotheca pluvialis, African Daisy, Rain Daisy, Dimorphotheca annua

 From the South African countryside comes this classic, silky, pure white flowering plant. For the front of the border in full sun it certainly lives up to its name with the flowers a pure glistening white throughout the day, and closing up each evening. The flowers are borne in great profusion over the whole plant, magnificent for the border, pots, patios and all sunny places. More info
    • 1 packet (80 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Gazania Big Kiss White Flame F1 Hybrid

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 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.69
Gazania Kiss White F1

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 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.69
Datura Metel La Fleur Lilac

Datura metel 'La Fleur Lilac'

Datura stramonium var. tatula 'La Fleur Lilas', Angels' Trumpet, Thorn Apple

  Customer Rating
Flowering in just 3½ months. Particularly good for patio, cool greenhouse or conservatory where the evocative sweet fragrance of the bluey-lilac, 10cm (4 inch) trumpet blooms fills the air. Height: 30-45cm (12-18in) More info
    • 1 packet (10 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49