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 47 products.
 
Dianthus barbatus 'Kaleidoscope Mixed'

Dianthus barbatus 'Kaleidoscope Mixed'

Sweet William
  • NEW in 2013
  • RHS Perfect for Pollinators
A cottage garden favourite with an unusual colour twist! This beautiful Sweet William produces large heads of pretty pink flowers that gradually mature to white, creating a delightful bicolour effect. Sweet William ‘Kaleidoscope’ is highly scented with multi branching stems that make it superb for cutting. Often grown as a biennial, this short lived perennial is ideal for borders, beds and containers, and will even flower in the same year if sown early. Height: 60cm (24”). Spread: 30cm (12”).

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 2 Days
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    • £0.99
Echinacea X Hybrida Magic Box

Echinacea x hybrida 'Magic Box'

Coneflower

One of the most comprehensive mixtures of colours available. Each bloom has been carefully selected and bred by our flower breeders for its stunning form as well as its superior garden performance. The tall colourful flowers look fabulous in borders or in a vase in the house.

 More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Foxglove Glittering Prizes Mixed

Foxglove 'Glittering Prizes Mixed'

Digitalis purpurea

A much sought after old traditional foxglove with flowers much larger than usual which are delightfully and exotically splashed and mottled in a good range of rich colours, purple, lilac, cream, white and rose. Each flower has a large purple blotched throat. A tall, majestic plant flowering somewhat earlier than other varieties. Ideal for the back of the border and a excellent cut flower. Flowers early summer. Height 120-180cm (4-6ft).

 More info
    • 1 packet (300 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
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

Echinacea 'PowWow Wild Berry'

Coneflower
With outstanding garden performance and the capacity to produce more flowers per plant than any other seed-raised Coneflower, Echinacea ‘PowWow Wild Berry’ is a striking addition to any garden. Whether grown as a first-year flowering or as a traditional over-wintered perennial, its unique and intense deep-pink flowers with their dark rose centres will invigorate borders and pots with their vivid colour. Coneflower plants are particularly useful for exposed coastal sites and wildlife gardens. Height: 60cm (24"). Spread: 45cm (18"). More info
    • 1 packet (10 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.99
Echinacea Purpurea White Swan

Echinacea purpurea 'White Swan'

Coneflower
Strong honey fragranced flowers in 16 weeks, often with 14+ 10cm (4in) blooms out at once. Long lived for border, bedding or cutting. Height: 45-60cm (18-24in). More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
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    • £2.79
Alcea Rosea Nigra

Hollyhock 'Nigra'

Alcea rosea, Althaea rosea
 Customer Rating
Tall strong stems bearing chocolate maroon flowers, becoming almost 'black' towards the centre. This is a unique variety creating an impressive impact against most backgrounds. Flowers mid to late summer. Height 5ft.

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

 More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Rudbeckia Fulgida Goldsturm

Rudbeckia fulgida var. sullivantii 'Goldsturm'

Coneflower, Black-eyed Susan
A profusion of bright flowers up to 5in across on bushy plants. More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Sedum Rock Garden Mixed

Sedum 'Rock Garden Mixed'

Sedum rupestre, Sedum spathulifolium, Sedum album, Sedum aizoon, Sedum reflexum, Stone Orpine, Reflexed Stonecrop, Spoon-leaved Stonecrop, White Stonecrop

Harvest permitting includes: S. reflexion, S. spathulifolium, S. album hybrids, S. aizoon and many others in full foliage and flowering colour range.

 More info
    • 1 packet (300 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
Primula Veris

Primula veris

Cowslip
The famous meadow and hedge row plant of simple beauty. Fragrant lemon yellow pendulous blooms. Easy to grow in sun or part shade. Flowers spring. Height 23cm (9in). Contact with the leaves may cause skin allergy to some people with sensitive skins.

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

 More info
    • 1 packet (150 seeds)

    • Despatch: Within 2 Days
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    • £2.49
Exotic : Giant Viper's Bugloss (Echium Pininana)

Echium pininana

Tower of Jewels, Giant Viper's Bugloss, Tree Echium, Echium pinnifolium
 Customer Rating

No wonder this is also called Tower of Jewels or 'Pride of Tenerife! Exceptionally tall flower spikes packed with either rose or purple-blue flowers, interspersed with silver-green lanceolate leaves.

 More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
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    • £3.79
Digitalis Purpurea Alba

Foxglove 'Alba'

Digitalis purpurea, Digitalis purpurea f. albiflora
Marvellous large pure white spikes, a rare and unusual colour. Magnificent in the border in sun or part shade and very useful as a cut flower. Flowers early summer. More info
    • 1 packet (150 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49