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 17 products.
 

Echinacea purpurea 'Double Decker'

Coneflower

A very unusual purple-red flowered variety that produces predominantly single flowers in the first growing season, followed by a high percentage of these visually stunning 'twin' flowers in the second season, with the chance that some may even be fully double. These intriguing flowers grace tall, strong stems and make superb long lasting border perennials, attracting many beneficial insects to your garden.
More info
    • 1 packet (20 echinacea seeds)

    • Despatch: Within 1 days
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    • £0.99

Red Hot Poker 'Traffic Lights'

Kniphofia hirsuta, Torch Lily

 Customer Rating
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.
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    • 1 packet (20 red hot poker seeds)

    • Despatch: Within 1 days
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    • £0.99

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.

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    • 1 packet (25 echium seeds)

    • Despatch: Within 1 days
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    • £3.99

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 echinacea seeds)

    • Despatch: Within 1 days
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    • £3.99

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.

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    • 1 packet (300 sedum seeds)

    • Despatch: Within 1 days
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    • £0.99

Erigeron karvinskianus 'Profusion'

Erigeron karvinskianus, Fleabane, Mexican Fleabane

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

    • Despatch: Within 1 days
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    • £3.49

Helianthemum Collection

Rock Rose, Sun Rose

Showy dwarf evergreen shrubs which spread quickly over rocks and slopes and make ideal ground cover. The attractive foliage is smothered from late spring with masses of 2.5cm (1 inch) flowers resembling wild roses in pink, lemon, copper, red, purple and white. They love the sun and stand hot, dry conditions very well. Height: 9-12 inches.
More info
    • 1 packet (250 helianthemum seeds)

    • Despatch: Within 1 days
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    • £2.19 £0.99

Gaillardia x grandiflora 'T&M Reselected Hybrids'

Blanket Flower

3-4in semi-double blooms from crimson to yellow, many boldly zoned and bicoloured. Extremely long flowering. Ideal for flower arrangements and border impact. Flowers in its first season from an early sowing. Flowers summer to autumn. Height 60cm (24in). More info
    • 1 packet (100 seeds)

    • Despatch: Within 1 days
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    • £2.99

Achillea filipendulina 'Cloth of Gold'

Fern-leaf Yarrow

Achillea 'Cloth of Gold' is an indispensible border plant, with flat, plate-like, mustard yellow flower heads carried above finely-cut, ferny foliage. This free flowering perennial is undemanding and easy to grow, making a bright splash of summer colour in borders and meadows. Achillea flowers make a charming cut flower and can be dried for everlasting flowers too. Height: 1.5m (59"). Spread: 45cm (18"). More info
    • 1 packet (500 achillea seeds)

    • Despatch: Within 1 days
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    • £0.99

Sedum ussuriense 'Turkish Delight'

Stonecrop

T&M's own attractive dwarf selection, with deepest burgundy, almost black foliage and carmine-red flower umbels. Stunning in containers, borders or rockeries. Height: 10-15cm (4-6in) More info
    • 1 packet (50 sedum seeds)

    • Despatch: Within 1 days
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    • £2.99

Echinacea purpurea 'Pink Parasol'

Coneflower

Pink Parasol has stunning, large, deep purplish-pink blooms, with contrasting orange cones standing proudly above strong stems. Each bloom can reach 7-10cm (3-4in) in diameter compared to other varieties only reaching a diameter of 5-7cm (2-3in). Once established, bushy plants produce clusters of stems adding height to your borders, attracting butterflies and beneficial insects to your garden, as well as making dramatic long lasting cut flowers. Height 90-120cm (3-4ft)
More info
    • 1 packet (35 echinacea seeds)

    • Despatch: Within 1 days
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    • £2.99

Eryngium alpinum 'Blue Lace'

Sea Holly, Alpine Eryngo

A spectacular alpinum selection with impressive long lasting clear violet-blue terminal flower heads on stunning blue stems. Makes an eye-catching addition to any border, and an attractive cut flower. Height: 85cm (34in).
More info
    • 1 packet (25 eryngium seeds)

    • Despatch: Within 1 days
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    • £3.49