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 112 products.
 

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 1 days
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    • £3.69

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.

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    • 1 packet (30 seeds)

    • Despatch: Within 1 days
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    • £3.49

Alstroemeria 'Ligtu Hybrids'

Peruvian Lily

 Customer Rating
Invaluable long-lived border plants in numerous shades of pink, orange and scarlet with distinctive, contrasting stripe. One of the worlds' most popular cut flowers.
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    • 1 packet (35 seeds)

    • Despatch: Within 1 days
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    • £3.99

Tropaeolum speciosum

Flame Nasturtium, Flame Flower, Flame Creeper

Flame Flower. Gorgeous scarlet flowered climber. Climbs to 180-300cm (6-10ft).
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    • 1 packet (10 seeds)

    • Despatch: Within 1 days
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    • £4.69

Cyclamen 'All-the-year-round Flowering Mixed'

A balanced mixture of hardy garden varieties thriving in shade or woodland, chosen from species flowering at most periods of the year. Height: 8-15cm (3-6in). More info
    • 1 packet (16 seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

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 1 days
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    • £3.99

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 1 days
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    • £2.99

Astrantia major-hybrida 'Ruby Cloud'

Hattie's Pincushion, Masterwort

Thin upright stems, large flowers of ruby, tinged in apple green. True from seed and wonderful in the damp border.
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    • 1 packet (22 seeds)

    • Despatch: Within 1 days
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    • £3.99

Veronica (Mixed Colours)

Speedwell

T&M have blended a mixture of species which are fantastic front of border or rockery plants. Producing many erect spikes, full of tiny flowers that create much impact in a complementary range of colours - orchid pink, royal blue, white, rose and light blue. Flower summer. Height: 30-35cm (12-14in). More info
    • 1 packet (50 seeds)

    • Despatch: Within 1 days
    •  
    • £3.69

Erigeron karvinskianus 'Profusion'

Erigeron karvinskianus, Fleabane, Mexican Fleabane

Lovely subject for hanging baskets, window boxes, patio tubs. Flowers within 3 months.
More info
    • 1 packet (200 seeds)

    • Despatch: By end of April 2015
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    • £3.49

Gaura lindheimeri 'Sparkle White'

This stunning hardy perennial makes a fabulous border plant! Its graceful, slender stems are topped with a flurry of dazzling white, starry blooms that still look fresh and airy at the end of summer. This bushy, clump forming variety has a neat, compact habit that makes it perfect for the front of sunny borders or edging paths as a mini hedge. Once established, Gaura lindheimeri 'Sparkle White' even copes well during periods of drought. Height and spread: 45cm (18"). More info
    • 1 packet (15 seeds)

    • Despatch: Within 1 days
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    • £2.99

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 1 days
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    • £3.29