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 16 products.
 
Monarda Didyma T&M Superb Mixed

Monarda didyma 'T&M Superb Mixed'

Bee Balm, Bergamot
Candelabra-like whorls of flowers in a formula mixture with mint scented foliage. Indispensable border flower for most soils, particularly damp sites. Height 90-100cm (30-40in).

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

 More info
    • 1 packet (80 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Gaura Lindheimeri

Gaura lindheimeri

White Gaura, Lindhemier's Beeblossom
Spikes of ¾in white flowers, tinged in pink. Long flowering in the border and as cut flowers. Cannot be sent to Hawaii. More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £3.29
Francoa Sonchifolia Pink Giant

Francoa sonchifolia 'Pink Giant'

Bridal Wreath

Reliable garden perennial with deeply lobed green leaves and spikes of large pink bicoloured petals on long flower spikes. Just as lovely in a border as in a vase.

 More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Aquilegia X Hybrida Mckana Giants Mixed

Aquilegia x hybrida 'McKana Giants Mixed'

Columbine, Granny's Bonnet
Attractive free-flowering, long spurred mixture in a wide range of vibrant coloured blooms on strong stems, ideal for cutting. Outstanding garden performance. More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
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    • £1.99
Astrantia Major

Astrantia major

Hattie's Pincushion, Masterwort
Silver to rose cushions of flowers, surrounded by a stiff ruff of ray-like bracts of a similar hue. Excellent colour foil. Very long lasting when cut. Height: 60-90cm (24-36in) More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.29
Lobelia Cardinalis 'Queen Victoria'

Lobelia cardinalis 'Queen Victoria'

Cardinal Flower, Lobelia fulgens, Lobelia splendens
Tall spikes of deep maroon foliage topped by glowing scarlet blooms bring a welcome splash of late summer colour, when many flowers have already faded. This exotic looking, short lived perennial is ideal for filling gaps in damp borders, and looks spectacular planted beside ponds and streams. Height: 90cm (36”). Spread: 30cm (12”). More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
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    • £2.49
Aster Composition

Aster 'Composition'

Aster novi-belgii, Aster novae-angliae, Michaelmas Daisy, New England Aster
 Customer Rating
Michaelmas Daisies - Bright colours of Aster novi-belgi and novae-angliae composed for a contrasting rich colour range of long stemmed autumnal flowers for cutting. More info
    • 1 packet (60 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Campanula Lactiflora Dwarf Pink

Campanula lactiflora 'Dwarf Pink'

Milky Bellflower
Over the past 5 years, T&M's flower breeders' careful selection, brings you the First Pink of this variety, from seed! Not only an attractive soft pink, a dwarf habit, but also first year flowering. Outstanding garden performance. 12in. high in the first year, growing up to 36in. high the following year. More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Bird Of Paradise - Dwarf

Strelitzia reginae (Dwarf)

Bird of Paradise

 Unparalleled beauty of colour and form. Fantastic, exotic flowers justly famous. Grow them in your own greenhouse. One of the most rewarding of plants, it will take quite a bit of abuse and careless handling. Flowers spring. Height: 60-90cm (24-36in). More info
    • 1 packet (7 seeds)

    • Despatch: Within 2 Days
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    • £4.99
Aquilegia X Hybrida Mckana Giants Mixed

Aquilegia x hybrida 'McKana Giants Mixed' - Part of the Alan Titchmarsh Collection

Columbine, Granny's Bonnet
 
  • A cottage garden classic
  • Free flowering border plant

Aquilegia 'McKana Giants Mixed' are a true cottage garden classic just like grandma had, easy to grow and long lasting in borders. Delightful long-spurred Aquilegias with impressive 7.5cm (3in) wide blooms in a bright and uplifting colour range. Height: 90cm (36"). Spread: 60cm (24").

 More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Thalictrum Aquilegifolium New Hybrids Mixed

Thalictrum aquilegiifolium 'New Hybrids Mixed'

French Meadow Rue, Columbine Meadow Rue

 Excellent border plants and cut flowers with the fluffy flowers presenting a veritable cloud of bloom. Our new hybrids are a unique and complete blend of colours from pure white to deep purple with many in between and very fashionable pastel colours seldom seen before, such as pale pink, lilac, rose and violet shades. Long lasting perennials flowering in their second season. More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Wildflower Collection

Wildflower Collection

Primrose, Field Poppy, Cowslip, Sweet Rocket

 Creating a colourful wildflower area in your garden is easy! Your garden will soon become a natural haven for wildlife, filled with a wide range of beneficial insects, like aphid-eating hoverflies and ladybirds, as well as various species of butterflies.
Collection comprises 1 packet each of:
Common Primrose
Wild Cowslip
Wild Flanders Poppy
Sweet Rocket Alba
 More info
    • 4 packets - 1 of each variety (2700 seeds in total)

    • Despatch: Within 2 Days
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    • £7.99