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 179 products.
 

Heliotrope 'Dwarf Marine'

Heliotropium, Cherry Pie, Heliotropium peruvianum

Once you've experienced the sweet, pungent scent, coming from Heliotrope, or 'cherry pie' as it is commonly called, on a still summer evening you won't want to be without it. Few plants can fill the air with such a heady fragrance as this. Marine is a royal purple, large flowered yet compact form with attractive, dark green foliage and bushy habit. Excellent for beds, borders and as a summer flowering pot plant. Flowers summer. Height 45cm (18in). More info
    • 1 packet (150 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Nemesia strumosa compacta 'Tapestry'

Cape Jewels

Bushy upright plants in a rich tapestry of colours which complement and contrast, in a very wide range including an eye-catching blue and white. The result is a superb glowing carpet of colour. More info
    • 1 packet (350 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Marigold 'Scarlet Sophie'

Tagetes patula, French Marigold

Spectacular camellia-like blooms - uniquely different, the rich russet red flowers trimmed with gold change to flame red as the flower ages. Early and smothered with blooms all season. Recommended for beds, borders, pots, window boxes etc. Flowers all summer. Height: 25-30cm (10-12in).

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

More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Antirrhinum nanum 'Black Prince'

Snapdragon

Deep crimson flowers and bronze foliage. More info
    • 1 packet (750 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Marigold 'Boy O' Boy Orange'

Tagetes patula, French Marigold

The large, deep orange, double crested flowers are produced prolifically from early June until frosts. A petite bright and cheerful variety very suited for windowboxes and the front of the border as well as bedding, tubs etc. Flowers all summer.

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

More info
    • 1 packet (115 seeds)

    • Despatch: Within 3 days
    •  
    • £2.19

Marigold 'Starfire'

Tagetes tenuifolia, Signet Marigold

Dwarf, compact and neat plants. The flowers in a rich colour range are produced in abundance superb for bedding, edging and containers. Flowers early summer to frost. Height 15-20cm (6-8in).

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 3 days
    •  
    • £2.99

Antirrhinum majus 'Reminiscent Mixed' F1 Hybrid

Snapdragon

  • RHS Perfect for Pollinators
With a fresh citrus fragrance and unusual upward facing flowers, this superb snapdragon is hard to resist. The pastel blooms are carried on compact, bushy plants, attracting bees and other pollinating insects. Antirrhinum majus 'Reminiscent Mixed' has a particularly long flowering period making this an ideal choice for wildlife borders, beds and containers. Height: 30cm (12"). Spread: 25cm (10").
More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.89

Salvia farinacea 'Victoria'

Mealy Sage, Mealycup Sage

Tall, handsome spiky plants which add a touch of elegance to a bed or border. The flower spikes are produced over a long period and are excellent for cutting. A Fleuroselect Bronze Medal Winner. Flowers summer/autumn. Height 18in.
More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £3.49

Petunia grandiflora 'Double Cascade Blue' F1 Hybrid

Attractive, large fully double blooms in the deepest velvety blue, almost look black when shimmering in the sunshine. The flowers have an added bonus of quickly recovering after a shower of rain. Their cascading habit makes them ideal as groundcover or tumbling over the sides of containers or baskets. 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. More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £3.39

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 seeds)

    • Despatch: Within 3 days
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    • £1.99

Antirrhinum majus nanum 'Rembrandt'

Snapdragon

Attractive, free-flowering, bushy plants with stunning bicoloured blooms in vibrant orange and golden yellow. Will paint your borders and containers with colour all summer.
More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
    •  
    • £2.59

Marigold 'Durango Bolero' F1 Hybrid

Tagetes patula, French Marigold

Wonderful anemone-like flowers on uniform, basal branching plants, early flowering with exceptional garden performance all summer. 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 (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69