Thompson & Morgan

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Perennial & Biennial Seeds


Biennials live for 2 years, whereas perennials live for longer. As a general rule, biennial and perennial seeds should be sown in spring, but some can be sown in autumn as well. Many varieties will self-seed after flowering, giving you even more plants!

We have found 9 products.
 
Viola X Williamsiana Singing The Blues

Pansy 'Singing the Blues'

Viola x wittrockiana

This mixture of four enchanting colours, in shades and contrasts of blue, are not just pretty but the most sensational breakthrough in Violas for a decade. They were specifically bred for containers, baskets and ground cover, possessing a unique trailing habit. Above all they are wonderfully fragrant with a gorgeous, pervading sweet scent. Flowers appear in abundance and because they are tolerant to cold and heat, they can be grown all year round. Height: 2-3in Flowers spring/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 2 Days
    •  
    • £0.69
Cheiranthus Cheiri Bedding Mixed

Wallflower 'Bedding Mixed'

Erysimum, Cheiranthus

 A special selection drawn from the widest colour range of the named varieties. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height: 38-45cm (15-18in) More info
    • 1 packet (400 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.19
Cheiranthus Cheiri My Fair Lady Mixed

Wallflower 'My Fair Lady Mixed'

Erysimum cheiri, Cheiranthus
A neat, uniform free flowering strain. Soft, fragrant colours; lemon, cream, gold, apricot, purple, pink, salmon, rose and mahogany. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height: 37-45cm (15-18in). More info
    • 1 packet (400 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Dianthus Caryophyllus Giant Chabaud Mixed

Dianthus caryophyllus 'Giant Chabaud Mixed'

Wild Carnation
The fragrance and the range of colour is very good. Double beautifully scented, fringed flowers.

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

 More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.09
Cheiranthus Cheiri Tom Thumb Mixed

Wallflower 'Tom Thumb Mixed'

Erysimum cheiri, Cheiranthus
 Customer Rating
Very wide colour range, excellent in small spaces, tubs, window boxes. Slightly later flowering. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Cheiranthus Cheiri Brilliant Bedder Series Mixed

Wallflower 'Brilliant Bedder Series Mixed'

Erysimum, Cheiranthus

 Dwarf, sturdy and much neater and compact plants. Very good for exposed positions, beds and borders. Where space is limited containers, tubs, etc. Flowers spring. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height 25-30cm (10-12in). More info
    • 1 packet (685 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Agastache Aurantiaca Fragrant Mixed

Agastache aurantiaca 'Fragrant Mixed'

Hummingbird Mint
A truly amazing display of tall, brightly coloured spikes of tasselled florets appear to burst out like flames from the lanced and highly perfumed foliage. Very quick and easy to grow, this lovely perennial will enhance your borders and containers, whilst its balmy fragrance will attract insects away from your summer patio! Excellent first year flowering variety. Height: 50-60cm (20-24in). More info
    • 1 packet (60 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.29
Viola Allspice Mixed

Viola 'Allspice Mixed'

Viola x wittrockiana, Pansy

 A spectacular trailing viola offering a breath-taking variety of flower colour and form with a wonderful range of fragrances too! You’ll have fun picking out the individual scents as each flower colour has its own distinctive perfume. Plant up Viola ‘Allspice Mixed’ in hanging baskets, window boxes and flower Pouches® and position them by a front door or kitchen window for an explosion of colour and fragrance throughout spring. Trails to: 30cm (12”).

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 2 Days
    •  
    • £3.69
Kew : Wallflower Sunset Mixed F1 Hybrid

Wallflower 'Sunset Mixed' F1 Hybrid - Kew Collection Seeds

Erysimum

 The first ever F1 Hybrid Wallflower! Attractive dwarf, bushy uniform plants with hybrid vigour makes Sunset Mixed perfect for adding to autumn containers. A colourful range of flowers appear in early spring, filling the air with their delightful Wallflower fragrance. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height: 25-30cm (10-12in). More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.69