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 33 products.
 

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: 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
    •  
    • £2.49

Petunia 'Trailing Trio' Offer

The best-ever trailing petunias from seed! These spectacular cascading varieties will outperform expensive cutting-raised Surfinia® petunias every time, producing trailing stems of up to 1m (3ft) in length, continuously smothered in blooms all summer until the first frosts. 'Rose Vein Velvet' is the latest colour in the 'Velvet' series and promises to be as impressive as its forebears. Stunning in baskets, window boxes and other containers as well as in borders, where they make very effective and colourful ground cover.
Collection includes the varieties 'Purple Velvet', 'Rose Vein Velvet' and 'Salmon Velvet'.
More info
    • 1 packet of each variety (36 seeds in total)

    • Despatch: Within 3 days
    • SAVE £1.38  
    • £11.37 £9.99

Petunia miniflora 'Mini Bella Picotee Mixed' F1 Hybrid

After extensive trials T&M has discovered the 'most weather resistant' Petunia there has ever been. Masses of mini 5cm (2 inch) diameter flowers in delightful picotee shades, keep on flowering whatever the weather. Ideal for bedding, baskets, containers or Flower Pouches®.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 (60 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
    •  
    • £3.19

Nasturtium 'Empress Of India'

Tropaeolum majus, Indian Cress

Deep velvety crimson flowers against dark foliage.

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 3 days
    •  
    • £2.69

Petunia grandiflora 'Cascade Pink Orchid Mist' F1 Hybrid

 Customer Rating
A charming duet of soft pink and orchid mist, form this exclusive trailing petunia blend. Large double and semi-double blooms on cascading stems produced throughout summer. Excellent in baskets and containers. 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 (25 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

Nasturtium 'St Clements'

Tropaeolum majus, Indian Cress

An exclusive citrus coloured blend of fragrant semi-double blooms, that sit well above the deep green foliage on semi-trailing plants. Adds a mouth-watering citrus cocktail to borders, baskets or containers, flowering all summer.

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

More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99

Petunia grandiflora pendula 'Lady Purple' F1 Hybrid

This genuinely cascading Petunia is smothered in bright purple-pink flowers, each with a black throat. Plants are only 15cm (6in) high and can spread up to 90cm (3ft), making them ideal candidates for all types of container and baskets. Non-stop flowering, even during mild frosts, gales and heavy rain, plants will quickly revive. Because plants are seed raised, you can grow with confidence, assured that there is no risk of virus. Awarded a Fleuroselect Quality Mark. 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 (20 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Petunia milliflora 'Fantasy' F1 Hybrid

Petunia "Fantasy" has a habit which is not just a miniature but also compact. In fact they are 36 per cent the size of normal multiflora types and it means that plants don't become straggly and untidy but remain neat and uniform. This beautiful formulated mixture comes in a wide range of colours. They are highly floriferous with outstanding garden performance in most conditions and look a real knock-out in containers, baskets and border edging. 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 (75 seeds)

    • Despatch: Within 3 days
    •  
    • £3.49

Nasturtium 'Strawberries and Cream'

Tropaeolum majus, Indian Cress

A showy variety with light yellow semi-double flowers, boldly blotched scarlet in a delightful combination. Suitable for bedding, edging and flowering freely in most soils, particularly in poor dry ones. Also makes a very showy summer flowering pot plant for the cold greenhouse, conservatory or cool, well lit windowsill. Height 23-30cm (9-12in).

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

More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Petunia 'Waves Mixed' F1 Hybrid

Quite unique for 'flower power' and its exceptional trailing habit. One of the best Petunias for ground cover, baskets and Flower PouchesT. Non-stop flowering even during heavy rain. Height: 15cm (6in) spreading to 90cm (3ft). 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 (20 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Nasturtium 'Mahogany Jewel'

Tropaeolum majus, Indian Cress

 Customer Rating
Tropaeolum majus Mahogany Jewel Common name: Nasturtium An easy to grow annual with compact, uniform plants which are early to flower. The large, semi-double blooms in gloaming, deepest red mahogany are produced in succession over the summer months. Excellent summer ground cover for beds, borders, and containers.

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

More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99