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



We have found 307 products.
 

Cosmos bipinnatus 'Sonata Series Mixed'

An award winning variety in a superb mixture of colours. 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 Mixed' float above the finest lacy foliage. Strong stems and a long vase life make this compact annual ideal for cutting for a colourful bouquet. Cosmos 'Sonata Series Mixed' is particularly useful for exposed positions. Height: Up to 60cm (24"). Spread: 45cm (18").
More info
    • 1 packet (30 cosmos seeds)

    • Despatch: By end of May 2016
    •  
    • £2.99

Rudbeckia hirta 'Prairie Sun'

Coneflower, Black-eyed Susan

 Customer Rating

An impressive debut for beds and borders, this unique new plant was awarded a Fleuroselect Gold Medal. The unusual blooms with central green cones and bright orange petals radiating back to lemon yellow, make dazzling cut flowers.

More info
    • 1 packet (25 rudbeckia seeds)

    • Despatch: By end of May 2016
    •  
    • £3.49

Mina lobata

Ipomoea lobata, Spanish Flag, Ipomoea versicolor, Quamoclit lobata

 Customer Rating
An exotic looking climber, with twining stem ideal for rambling over trellises, fences etc. The flowers are very impressive with up to 12 per flower spike producing a spectacular combination as they age. They start off a most powerful and stunning bright red and as they mature they go from red to orange, orange to yellow and from yellow to white and all are out at the same time. A plant positively loaded with flowers is an impressive sight. Climbs to 120-180cm (4-6ft).
More info
    • 1 packet (16 mina lobata seeds)

    • Despatch: By end of May 2016
    •  
    • £2.99

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 cosmos seeds)

    • Despatch: By end of May 2016
    •  
    • £2.99

Dahlia variabilis 'Collarette Dandy'

 Customer Rating
Dwarf bushy dahlias with delightful "collarette" form, in many shades of red, yellow, orange and white all with white matching or contrasting inner collar of quilled petals. Height: 50-60cm (20-24in).
More info
    • 1 packet (55 dahlia seeds)

    • Despatch: By end of May 2016
    •  
    • £2.99 £0.99

Lobelia pendula 'Monsoon'

  • Attractive late summer bronze foliage
If you liked Lobelia 'Crystal Palace' then this trailing version is sure to appeal. With a vigorous cascading habit and masses of deep blue flowers, Lobelia 'Monsoon' is ideal for filling baskets and containers or spilling over low walls and rockeries. The bright green summer foliage matures to a rich shade of bronze as the autumn approaches for a spectacular late summer display. Height: 15cm (6"). Spread: 30cm (12").
More info
    • 1 packet (650 lobelia seeds)

    • Despatch: By end of May 2016
    •  
    • £2.19

Lobelia erinus 'Crystal Palace'

Dainty, deep blue lobelia flowers smother neat globes of foliage that form very dwarf, compact plants. Lobelia 'Crystal Palace' 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: 10cm (4"). Spread: 15cm (6").
More info
    • 1 packet (2500 lobelia seeds)

    • Despatch: By end of May 2016
    •  
    • £2.29

Bidens ferulifolia 'Golden Eye'

 Customer Rating
From T&M's own breeding program comes this prostrate form of Bidens, Ideally suited for baskets and containers or tumbling over low walls, the bright yellow flowers and ferny foliage will enhance the summer sunshine in any garden. Flowers summer. Height: 25-30cm (10-12in).
More info
    • 1 packet (75 bidens seeds)

    • Despatch: By end of May 2016
    •  
    • £2.99

Nicotiana x sanderae 'Eau de Cologne Mixed' F1 Hybrid

Tobacco Plant

A specially selected blend, offering uniform, mid height plants, in a glowing colour range with upward facing blooms. The evening fragrance adds to their irresistible charm and elegance and is guaranteed to enhance your borders. More info
    • 1 packet (40 nicotiana seeds)

    • Despatch: By end of May 2016
    •  
    • £2.99

Petunia hybrida 'Purple Tower' F1 hybrid

  •  Customer Rating
    Fastest climbing petunia from seed
Petunia hybrida 'Purple Tower' comes straight from T&M's own breeding programme. Long stems and astonishing vigour make this the fastest climbing petunia available from seed - easily scaling a 120cm (4ft) climbing frame by the end of the summer. Train the free-flowering stems onto a plant climbing support for a pillar of fragrant blooms, or let them spread through beds and borders as a carpet of colourful ground cover. The perfect focal point for your garden this summer! Height and spread: 120cm (48").
More info
    • 1 packet (30 petunia seeds)

    • Despatch: By end of May 2016
    •  
    • £2.69

Mesembryanthemum criniflorum 'Magic Carpet Mixed'

Dorotheanthus bellidiformis, Livingstone Daisy, Ice Plant

 Customer Rating
Carpet like growth with leaves that appear to be sprinkled with ice crystals. Produces a glowing display in full sun on beds, borders, dry banks, rockeries, etc.
More info
    • 1 packet (2600 mesembryanthemum seeds)

    • Despatch: By end of May 2016
    •  
    • £1.99

Nasturtium 'Milkmaid'

Tropaeolum majus, Indian Cress

An almost white Nasturtium, featuring delicate blooms in captivating moonlit shades, the closest to white ever. Use this soft contrast in your beds, borders and containers for continuous summer colour. Easy to grow in a range of situations.

Culinary note: The peppery flavour of the leaves and colourful flowers will enrich salads and the unripened seeds can used like capers – delicious combined with cream cheese or butter in canapés. For more details about edible flowers click here.

More info
    • 1 packet (30 nasturtium seeds)

    • Despatch: By end of May 2016
    •  
    • £2.99