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 11 products.
 

Meconopsis baileyi 'Hensol Violet'

Himalayan Blue Poppy, Tibetan Blue Poppy, Meconopsis betonicifolia

Indulge yourself by growing this rare, mauve form of the exquisite Himalayan Blue Poppy. Scintillating, silky blooms aloft downy foliage give an absolutely breathtaking effect when planted in groups in shady borders and woodland areas. A collector's item for the border. Prefers a deep, moist, loamy soil in part shade. More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Aquilegia x hybrida 'Royal Purple'

Columbine, Granny's Bonnet, Aquilegia clematiflora, Aquilegia vulgaris var. stellata 'Royal Purple'

A specially selected spurless form, producing clematis-like flowers of a deep, rich royal purple colour. Aquilegia 'Royal Purple' has outstanding garden performance . This hardy perennial columbine is ideal for cottage garden borders and shady woodlands. Height: 60cm (24"). Spread: 40cm (16"). More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £0.69

Delphinium x cultorum 'Tall Black Knight'

Tall, robust, candle-like flower spikes packing with attractive, deep blue blooms, each complemented by a striking large black bee in the centre. A stunning addition to any border. Height: 120-150cm (4-5ft).
More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Hellebore (Purple-flowered Christmas Rose)

Helleborus purpurascens

Rarely offered for sale as seed! This exquisite Helleborus produces clumps of robust, leathery foliage along with many large blooms, flushed in shades of purple, pink and even slate grey!

More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £0.99

Geranium pratense 'Purple Haze'

Hardy Geranium, Meadow Cranesbill

One of the hardy Geranium discoveries of the century! 'Purple Haze' is a stunning plant, producing amazing foliage with a unique bronze-purple hue, a shade rarely seen in hardy Geranium foliage. The leaves are deepest in shade during spring, gradually changing to an attractive deep green with strong purple edging. Even more exciting is the striking contrast of the blooms, perfectly themed in shades of gorgeous violet-mauve. Height: 60-75cm (24-30in).

More info
    • 1 packet (5 seeds)

    • Despatch: Within 3 days
    •  
    • £0.99

Viola x williamsiana 'Sweeties'

Pansy, Viola williamsii

 Customer Rating
The best ever dwarf Viola for containers! A unique mixture of small, attractive bicoloured flowers resembling tiny sweets. Compact plants are smothered in masses of flowers over a very long period, making it ideal for summer or winter flowering bedding displays.

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

More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Aquilegia flabellata var. pumila f. kurilensis 'Rosea'

Columbine, Granny's Bonnet, Dwarf Fan Columbine

Extremely dwarf plants with attractive, nodding, rose-pink and cream flowers against unusual blue-green, fan shaped foliage. This compact Aquilegia is ideal for planting at the front of borders, in containers or alpine gardens where it will self seed to create handsome drifts. Height and spread: 20cm (8Ó). More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £0.69

Tacca chantrieri 'Nivea'

Cat's Whiskers, Devil Flower, Bat Plant

This rare white form of the ever popular Bat Plant offers shiny, dark green leaves and in 2-3 years when mature, magnificent white, green veined blooms with long tentacles. A thought- provoking plant for the home or conservatory. More info
    • 1 packet (8 seeds)

    • Despatch: Within 3 days
    •  
    • £4.99

Hollyhock 'Crème de Cassis'

Alcea rosea, Althaea rosea

Scrumptious veined flowers in juicy blackcurrant, fade to paler berry shades around the edges of each double, semi-double and single bloom, that can miraculously be found on each stem. Height: 150-180cm (5-6ft).

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

More info
    • 1 packet (35 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

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 3 days
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    • £8.99

Aquilegia 'Magpie'

Aquilegia vulgaris 'William Guiness', Columbine, Granny's Bonnet

 Customer Rating
The striking black bonnets of Aquilegia 'Magpie' make a superb contrast with the white corolla. The exquisite blooms of this classic cottage garden perennial are carried on wiry stems, set above pretty ferny foliage. This hardy Columbine is perfect for en masse in borders and shady woodland edges, and makes an attractive cut flower for a vase indoors. Height: 75cm (30"). Spread: 30cm (12").
More info
    • 1 packet (75 seeds)

    • Despatch: Within 3 days
    •  
    • £0.99