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 46 products.
 
Lobelia 'Cascade Mixed'

Lobelia erinus 'Cascade Mixed'

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 Customer Rating

These trailing lobelia plants produce fountains of bloom in burgundy, violet, lilac and Cambridge blue, as well as a few bicolours! Lobelia ‘Cascade’ Mixed makes a sparkling addition to containers, flower Pouches® and window-boxes. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Trails to: 25cm (10”). Spread: 15cm (6”).

 More info
    • 1 packet (1500 seeds)

    • Despatch: Within 2 Days
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    • £2.49
Lobelia pendula 'Monsoon'

Lobelia pendula 'Monsoon'

  • NEW in 2013
  • 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 seeds)

    • Despatch: Within 2 Days
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    • £0.99
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
Bacopa Cordata Blutopia Blue

Bacopa cordata 'Blutopia Blue'

Sutera cordata
A delightful plant with pale blue flowers which is spectacular when planted on its own or with other plants in baskets or containers. Sold as a multi-seeded pellet for easy sowing into modules or Jiffy 7's™ to aid easy planting. Height: 5-15cm (2-6in) - Trailing up to 45cm (18in). More info
    • 1 packet (10 pellets)

    • Despatch: Within 2 Days
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    • £3.49
Petunia X Hybrida Purple Velvet F1 Hybrid

Petunia x hybrida 'Purple Velvet' F1 Hybrid

The best ever basket petunia from seed! 'Purple Velvet' out-performs expensive cutting raised Surfinia petunias. Trailing stems, up to 1m (3ft) in length, are continuously smothered in velvety, purple blooms until the first frosts.Excellent for baskets and containers. Can also be planted in borders where it will make very effective ground cover. 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 (12 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.69
Petunia Hybrida Salmon Velvet F1

Petunia hybrida 'Salmon Velvet' F1 Hybrid

The best ever trailing Petunia from seed! Following the success of our customer favourite Purple Velvet we have the next colour in the series - Salmon Velvet. These will outperform expensive cutting-raised Surfinia Petunias. Producing trailing stems up to 1m (3ft) in length, continuously smothered in blooms all summer until the first frosts. Can also be planted in borders, where it will make very effective ground cover. 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 (12 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.69
Petunia X Hybrida Super Cascade Improved F1

Petunia x hybrida 'Super Cascade Improved' F1 Hybrid

 Customer Rating
The first fully integrated petunia mixture. For hanging baskets, containers and walls. The Super Cascades are much freer flowering and will cascade in 8 different colours - blue, white, pink, blush, cerise, salmon, scarlet and violet from a formula blending of seed. Weather tolerance, heat and wet, is excellent, they bloom from planting out to frost and have good drought tolerance. 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 (90 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.99
Lobelia 'Blue Splash'

Lobelia erinus 'Blue Splash'

Masses of white flowers splashed with marine blue to give an intriguing and unusual effect. Flowering up to 4 weeks earlier than many trailing lobelia varieties, ‘Blue Splash’ makes a sparkling addition to beds, containers, flower Pouches® and window-boxes. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Height: 15cm (6”). Spread: 25cm (10”). More info
    • 1 packet (1000 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Lobelia 'Blue Wings'

Lobelia erinus 'Blue Wings'

On T&M's trials we believe we have found the largest flowered bedding lobelia available. Exceptionally abundant cobalt blue flowers cover compact mounds of foliage. With superb weather resistance Lobelia ‘Blue Wings’ makes a sparkling addition to beds, containers, flower Pouches® and window-boxes. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Height: 15cm (6”). Spread: 20cm (8”). More info
    • 1 packet (1000 seeds)

    • Despatch:
    •  
    • £2.99
    • Out of stock
Brachyscome Iberidifolia Little Missy

Brachyscome iberidifolia 'Little Missy'

Swan River Daisy, Brachycome

 Each pretty lilac blue, daisy-like bloom has a distinctive yellow central eye surrounded by a white halo. Brachyscome ‘Little Missy’ blooms over a long period, making it perfect for edging paths and borders or as an eye-catching container plant on a sunny patio. Height and spread: 25cm (10"). More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
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    • £1.99
Lobelia 'Crystal Palace'

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 seeds)

    • Despatch: Within 2 Days
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    • £2.09
Petunia Grandiflora Double Cascade Burgundy Plum Vein F1

Petunia grandiflora 'Double Cascade Burgundy Plum Vein' F1 Hybrid

Giant, fully double flowers of burgundy or plum veined, often more than 10cm (4in) across! Add to this its cascading habit and you have one of the very best basket and container plants creating a waterfall of pleated powderpuffs all summer long. 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.Click here to buy now. More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.69