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 35 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
    •  
    • £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
    •  
    • £0.99
Nicotiana Sylvestris

Nicotiana sylvestris

Tobacco Plant, Woodland Tobacco
 Customer Rating
This imposing half hardy annual has stout spikes bearing a cascading head of fragrant 3½in long white blooms. It grows to a height of 90-120cm (36-48in) making it an excellent subject for the border. Occasionally a short lived perennial in a warm sheltered site. More info
    • 1 packet (2000 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
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

Nicotiana x sanderae 'Sensation Mixed'

Tobacco Plant

  Customer Rating

A showy and compact variety with sweetly scented flowers which stay open all day in a brilliant range of colours. Recommended. Flowers summer to autumn. Height 60-90cm (24-36in).

 More info
    • 1 packet (2000 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
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
    •  
    • £2.09
Nicotiana Mutabilis Marshmallow

Nicotiana mutabilis 'Marshmallow'

Tobacco Plant

  Customer Rating

Reintroduced following increasing interest by garden designers and visitors to our Open Days. Nicotiana Marshmallow is a very unusual and visually stunning variety which will add stature and fragrance to your summer borders. Above basal rossettes of large leaves, are formed masses of wiry stems are covered with a 'haze' of small blooms, each one fading through red, pink and white to give the effect of three flower colours on each plant.

 More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.69
Nicotiana X Sanderae Fragrant Cloud

Nicotiana x sanderae 'Fragrant Cloud'

Tobacco Plant
A very attractive and free flowering type with large pure white sweetly scented flowers on sturdy plants. More info
    • 1 packet (1000 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.09
Lobelia 'Cambridge Blue'

Lobelia erinus 'Cambridge Blue'

A compact variety that holds an RHS AGM for its excellent garden performance. Clear sky-blue lobelia flowers are set above narrow, airy foliage on compact plants. Lobelia ‘Cambridge Blue’ 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
    •  
    • £2.09
Lobelia 'Blue Cascade'

Lobelia erinus 'Blue Cascade'

 Customer Rating
Freely branching plants are covered in myriads of bloom to create clouds of true blue lobelia flowers with a small white eye. Unsurpassable among trailing lobelias, ‘Blue Cascade’ 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. Height: 15cm (6”). Spread: 25cm (10”). More info
    • 1 packet (1500 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.09
Nicotiana X Sanderae Eau De Cologne Mixed F1 Hybrid

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 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49