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 31 products.
 

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
    •  
    • £3.89

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
    •  
    • £2.69

Petunia hybrida 'Salmon Velvet' F1 Hybrid

The best ever trailing Petunia from seed! Following the success of our customer favourite Purple Velvet we have the next colour in the series - Salmon Velvet. These will outperform expensive cutting-raised Surfinia Petunias. Producing trailing stems up to 1m (3ft) in length, continuously smothered in blooms all summer until the first frosts. 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 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

Petunia x hybrida 'Rose Vein Velvet' F1 Hybrid

 Customer Rating

The best-ever basket petunia from seed! Petunia Rose Vein Velvet is the latest colour in the velvet series and promises to be as impressive! Like the others in the series, Rose Vein Velvet will out-perform expensive cutting raised Surfinia petunias. The lovely trailing stems, up to 1m (3ft) in length, look fantastic in baskets, window boxes and other containers where they will be continuously smothered in blooms all summer long. Also makes useful and attractive ground cover.

More info
    • 1 packet (12 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Petunia x hybrida 'Sparklers'

  • Fleuroselect Approved Novelty
The first ever star-shaped petunia from seed! A white version of this uniquely-shaped flower was originally sent to us by a customer in 1998. After 10 years of breeding and many generations of selection, the perfect star shape was obtained as well as this fabulous range of colours. Even the foliage of Petunia x hybrid 'Sparklers' is unusual, being pointed rather than rounded. Grow this striking variety in containers or let its spreading stems spill over the edges of hanging baskets for a most unusual summer display. Height: 30cm (12"). Spread: 35cm (14").
More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.89

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

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
    •  
    • £0.99

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
    •  
    • £4.49

Nasturtium 'Black Velvet'

Tropaeolum minus, Indian Cress

A unique colour in Nasturtiums! Deepest velvety, red-black blooms in abundance above fresh green foliage on neat, dwarf plants. Sure to create an eyecatching display in borders or containers when accompanied by Milkmaid. Will grow in any well-drained soil in full sun.

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

More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Petunia grandiflora 'Sophistica Lime Bicolour' F1 Hybrid

An abundance of intriguingly coloured blooms, each one individually marked with dramatic splashes and stripes of pale lime green and rose pink. This is a colour combination never before seen in petunias, so Petunia grandiflora Sophistica Lime Bicolour is sure to attract attention and admiration in borders or containers where it will flower all summer. More info
    • 1 packet (12 seeds)

    • Despatch: Within 3 days
    •  
    • £0.99

Nasturtium 'Banana Split'

Tropaeolum minus, Indian Cress

 Customer Rating

Showing superb garden performance in our trials, this eye-catching nasturtium produces masses of lovely golden-petalled flowers which sit on top of lush green foliage. The slightly ruffled blooms fade to lemon as the season progresses whilst the lax, bushy, slightly spreading habit makes Nasturtium Banana Split a must for containers as well as the front of borders where it will flower freely 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
    •  
    • £2.69

Nasturtium Duo

Tropaeolum majus, Indian Cress

One packet each of: Milkmaid and Black Velvet. For a full description and sowing & growing instructions please refer to each plant's individual listing.

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

More info
    • 2 packets - 1 of each variety (45 seeds in total)

    • Despatch: Within 3 days
    • SAVE £1.29  
    • £5.78 £4.49