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 176 products.
 

Salvia farinacea 'Seascape Mixed'

Mealy Sage, Mealycup Sage

A relaxing blend of three varieties of salvia with stunning flower spires in shades of blue with silver. These compact, branching and early flowering salvias will add a wonderful new dimension to bedding displays as they sway in the slightest breeze creating a truly tranquil border feature.

More info
    • 1 packet (50 salvia seeds)

    • Despatch: Within 1 days
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    • £1.99

Nasturtium 'Rumba Mix'

Tropaeolum minus, Indian Cress

A vibrant colour combination of single and semi-double, red and peach flowers set above attractive dark green foliage. Nasturtium 'Rumba Mix' is easy to grow, creating a carpet of colour in beds, borders or containers where its lax habit tumbles over the edge, freely flowering all summer. Try growing Nasturtiums in the vegetable plot too and use the edible flowers and leaves to brighten salads. Height: 30cm (12"). Spread: 35cm (14").


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: Within 1 days
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    • £2.29

Lobelia erinus 'Cascade Mixed'

 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 (1000 lobelia seeds)

    • Despatch: Within 1 days
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    • £2.69

Nasturtium 'Whirlybird Mixed'

Tropaeolum majus, Indian Cress

Low mounds covered with a mass of bloom. The semi-double flowers are carried well above the foliage and face upwards so all are visible. Mixture of cherry, rose, gold, mahogany, orange, scarlet, tangerine and cream. Ideal for bedding, borders, tubs, containers etc. Flowers can be cut for unusual floral decorations.

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 (25 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.49

Nasturtium 'Princess of India'

Tropaeolum majus, Indian Cress

A stunning dwarf selection of the ever popular Empress of India. Compact bushy plants have attractive small dark foliage and a mass of deep red flowers that sit neatly above the bronze foliage. Easy to grow, and will create a free-flowering summer display in borders or containers. Height: 20-25cm (8-10in).

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: Within 1 days
    •  
    • £2.99

Osteospermum hybrida 'Passion Mixed'

African Daisy, Cape Daisy

  • Drought-tolerant variety
Naturally dwarf multi-branching plants with lots of 5cm (2in) flowers of purple, rose and white. En-masse in bedding, borders and containers they make a passionate carpet of summer colour with the advantage of being drought tolerant. Height: 45-60cm (18-24in).
More info
    • 1 packet (10 osteospermum seeds)

    • Despatch: Within 1 days
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    • £4.49

Marigold 'La Bamba'

Tagetes patula, French Marigold

 Customer Rating

A new tall single flowered French Marigold from T&M's breeding. Featuring neat lemon yellow petals with a discreet orange striping, this special gem echoes relaxed, warm, airy summer days. A valuable addition to your summer bedding. Height: 50cm (20"). Spread: 40cm (16").

Culinary note: The citrus tasting flowers have many uses, try them in salads, sandwiches or seafood dishes too. For more details about edible flowers click here.

More info
    • 1 packet (100 marigold seeds)

    • Despatch: Within 1 days
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    • £0.99

Nasturtium 'Dwarf Compact Mixed'

Tropaeolum majus, Indian Cress

One of the most foolproof and versatile of all summer flowering annuals. They produce an abundance of colourful blooms all held proudly above a blanket of foliage. Useful for bedding and border work of any description and in particular for carpeting dry, sunny banks, as they will thrive in soils where few other plants will even live. Flowers summer to frosts.


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 (50 seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

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 petunia seeds)

    • Despatch: Within 1 days
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    • £3.99

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 osteospermum seeds)

    • Despatch: Within 1 days
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    • £2.99

Antirrhinum majus 'Lucky Lips'

Antirrhinum majus, Snapdragon

Fantastic, easy to grow Snapdragon for beds and borders. Get the vintage look in your garden with this handsome Snapdragon. Plants are really easy to grow, performing strongly in sunny borders as well as shady spots. The spikes of softly fragrant blooms are two-tone, long-lasting and make a great cut flower option. Height: 60cm (24"). Spread 40cm (16"). More info
    • 1 packet (200 antirrhinum seeds)

    • Despatch: Within 1 days
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    • £0.99

Marigold 'Sunspot Mixed'

Tagetes erecta, African Marigold

All the quality of an F1 Hybrid marigold packed into an open pollinated variety. That means real value for money! Dwarf, compact plants have good sized flower heads of orange, light yellow and gold and begin blooming much earlier than other varieties of this kind. More info
    • 1 packet (100 marigold seeds)

    • Despatch: Within 1 days
    •  
    • £2.99