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 41 products.
 

Marigold 'Alumia Vanilla Cream'

Tagetes patula, French Marigold

This striking British bred variety has unique, lemon yellow blooms; a colour never seen before in French Marigolds. The short, branching plants have a neat uniform habit that is ideal for planting en masse. Marigold ‘Alumia Vanilla Cream’ gives a superb garden performance, flowering over a long period and attracting pollinating insects to its blooms. Perfect for planting in beds, edging pathways or filling window boxes and patio containers. Height and spread: 25cm (10").

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (50 seeds)

    • Despatch: Within 1 days
    •  
    • £2.09

Aster 'Milady Mixed'

Callistephus chinensis, China Aster

Excellent for bedding , these plants are robust, bushy and very wilt resistant. Well formed, globular, weather resistant flowers in blue, pink, rose, rose-red and white are produced over a long period. Useful as a summer flowering pot plant, for window boxes etc. More info
    • 1 packet (150 seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

Marigold 'Durango Tangerine' F1 Hybrid

Tagetes patula, French Marigold

A luxuriant variety with intense, rich, orange anemone-like flower heads, borne on branching, uniform plants. Exceptionally early flowering with outstanding garden performance. Height: 20-25cm (8-10in).

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (40 seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

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 (10Ó). Spread: 15cm (6Ó).

More info
    • 1 packet (1500 seeds)

    • Despatch: Within 1 days
    • HALF PRICE  
    • £2.69 £1.34

Marigold 'Durango Bee' F1 Hybrid

Tagetes patula, French Marigold

A luxuriant variety with intense, rich, orange and yellow anemone-like flower heads, borne on branching, uniform plants. Exceptionally early flowering with outstanding garden performance. Height: 20-25cm (8-10in).

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (40 seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

Marigold 'Durango Collection'

Tagetes patula, French Marigold

Wonderful anemone-like flowers available in four stunning colours on uniform, basal branching plants, early flowering with exceptional garden performance all summer. Collection comprises 1 pack each of: Durango Bee, Red, Tangerine & Bolero. Height: 20-25cm (8-10in).

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 4 packets - 1 of each variety (165 seeds in total)

    • Despatch: Within 1 days
    • SAVE £1.77  
    • £10.76 £8.99

Gazania 'Tiger Stripes Mixed'

Treasure Flower

Wow! A stunning blend of flowers, in shades of yellow, rose, bronze and cream, with an attractive, contrasting stripe on every bloom. Easy to grow and flowering all summer long, they are sure to bring your beds, borders and containers to life. More info
    • 1 packet (20 seeds)

    • Despatch: Within 1 days
    •  
    • £3.69

Gazania splendens 'New Day Mix' F1 Hybrid

Treasure Flower

A sensational blend of vibrant Gazania, bringing together all forms of colours and stripes in one fabulous mix. The short stems support large, wide blooms that open quickly and remain open for longer. Gazania splendens 'New Day Mix' are ideal for adding long lasting colour to summer bedding schemes and patio containers. These versatile plants will even tolerate windy coastal positions. Height and spread: 25cm (10"). More info
    • 1 packet (20 seeds)

    • Despatch: Within 1 days
    •  
    • £3.49

Ageratum houstonianum 'Blue Danube' F1 Hybrid

Floss Flower

A large-flowered, vigorous variety of annual ageratum with powder-puff flower heads of soft, lavender blue. The fluffy, weather resistant blooms are particularly attractive to butterflies. With a dense, compact habit, Ageratum houstonianum 'Blue Danube' is perfect for adding texture and colour to bedding, borders and containers. Height: 20cm (8Ó). Spread: 25cm (10Ó).
More info
    • 1 packet (100 seeds)

    • Despatch: Within 1 days
    •  
    • £3.39

Marigold 'Paprika'

Tagetes tenuifolia, Signet Marigold

Masses of small red, daisy-like flowers with a golden centre smother Marigold 'Paprika' all summer long. This pretty Signet marigold has a neatmound forming habit with finely cut, citrus scented foliage that smells fabulous as you brush past it. This pretty annual makes a vibrant addition to cottage garden borders, beds and containers for a colourful, long lasting display. Height and spread: 25cm (10").

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (300 seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Marigold 'Durango Red'

Tagetes patula, French Marigold

An outstanding French Marigold because of the wonderful anemone-like flowers of mahogany-red. Their garden performance, uniformity, early flowering and basal branching make them a summer garden necessity. Height: 20-25cm (8-10in).

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (45 seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

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 1 days
    •  
    • £2.69