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 19 products.
 
Salvia coccinea 'Summer Jewel Red'

Salvia coccinea 'Summer Jewel Red'

Scarlet Sage
  • NEW in 2013
  • Flowers all summer until the first frosts
Applauded by Fleuroselect judges, Salvia coccinea 'Summer Jewel Red' is quicker to flower and more compact than other dwarf salvias. This free flowering variety bears its long lasting scarlet blooms above compact aromatic foliage. Scarlet Sage makes a stunning addition to borders and containers where it will attract pollinating insects to its fiery blooms. Although perennial, Salvia coccinea is half hardy and best treated as an annual in the UK. Height: 45cm (18"). Spread: 30cm (12"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £2.49
Lysimachia Atropurpurea

Lysimachia atropurpurea

Loosestrife
A superb border plant with silver- green lanceolate foliage and many spikes of claret-red, almost black florets - a highly unusual colour in perennials. May also be used in containers or as a cut flower. More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.29
Kniphofia Hirsuta Traffic Lights

Red Hot Poker 'Traffic Lights'

Kniphofia hirsuta, Torch Lily
An intriguing dwarf red hot poker with unusual red, amber and green flower spikes. First year flowering, adding interest to borders and containers. Height: 30-40cm (12-16in). *Sow Sept/Oct to flower the following season. More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
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    • £3.29
Penstemon X Hybrida Lilac Frost

Penstemon x hybrida 'Lilac Frost'

Beard Tongue
Probably the most winter-hardy, resilient Penstemon we have ever found! Bushy mounds of deep green foliage are enhanced by unusual frosty white, bicoloured blooms. Flowers throughout the summer in borders or large containers. More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.59
Pansy 'Plentifall Mixed' F1 Hybrid

Pansy 'Plentifall Mixed' F1 Hybrid

Viola x wittrockiana

 This new and exciting, large flowered winter pansy has been bred to have a true trailing habit. The branching stems of Pansy ‘Plentifall’ bear masses of fragrant, colourful blooms that hold up better than larger-flowered types in rain and bad weather. Fill your hanging baskets with colour from autumn right through the coldest months of winter. Trails to: 45cm (18”).

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

 More info
    • 1 packet (12 seeds)

    • Despatch: Within 2 Days
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    • £3.29
Meconopsis cambrica Double Mixed

Meconopsis cambrica 'Double Mixed'

Welsh Poppy

 Welsh Poppy. An exclusive and rare mix of silky pom-pom blooms in orange, red and yellow. The Welsh Poppy is a breezy perennial for dappled shade, blooming from mid-spring right through to autumn. Occasionally an odd single flower may also appear. More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Penstemon Miniature Bells Mixed

Penstemon 'Miniature Bells Mixed'

Beard Tongue
Stunning, miniature bells in pink, purple and rose shades, complemented by dwarf attractive blue- green foliage. Flowering over a long period in borders or containers. More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
Arctotis T&M Hybrids

Arctotis 'T&M Hybrids'

African Daisy

 Shades of cream, yellow, orange, red, crimson and purple. Beautiful for the border where the flowers are produced in profusion throughout the summer, and excellent for cutting.Silvery/green finely cut foliage. Flowers mid summer to frost. More info
    • 1 packet (70 seeds)

    • Despatch: Within 2 Days
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    • £2.69
Primula Japonica Mixed

Primula japonica 'Mixed'

Japanese Primrose

 A hand-blended mix of beautiful Japanese Primulas. Ideal for moist shady borders or beside a pond. Stout stems bear whorls of 2cm (¾ inch) blooms in shades of red-purple, pink and white, often with a contrasting eye. Height: 45-60cm (18-24in). More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Primula Japonica Miller's Crimson

Primula japonica 'Miller's Crimson'

Japanese Primrose
Crimson flowers crown silvery stems that rise above rosettes of foliage from late spring. This robust little perennial holds an RHS AGM and creates a wonderful display in shady, damp spots and woodlands. For the best impact, plant Primula ‘Miller’s Crimson’ in large drifts. Height and spread: 45cm (18”). More info
    • 1 packet (45 seeds)

    • Despatch: Within 2 Days
    • SAVE 50p  
    • £1.49 £0.99
Astilbe Arendsii Showstar

Astilbe arendsii 'Showstar'

An attractive dwarf mixture of tightly packed upright plumes, ranging from white to cream, through pink shades to red. Very compact, bushy plants, perfect for containers or the front of borders. Height: 30-45cm (12-18in) More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Tradescantia Andersonia Mixed Colours

Tradescantia (Andersoniana Group) 'Mixed Colours'

Spiderwort, Tradescantia x andersoniana

 Quick forming clumps of fleshy sword-like foliage and a succession of clustered blue, lilac and mauve flowers. Very hardy and trouble-free in the border. More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
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    • £1.49