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 42 products.
 

Foxglove 'Pam's Split'

Digitalis purpurea

A spectacular selection from Digitalis Pam's Choice. This variety is slightly shorter and is multi-stemmed from the base, producing a longer-lasting and impressive display of white blooms with speckled throats. Each flower of Digitalis Pam's Split has an unusual 'split petal' effect, giving them a slightly ruffled look. Eye-catching in borders or cottage gardens. Digitalis Pam's Split will grow in any garden soil in full sun or part shade.
More info
    • 1 packet (30 foxglove seeds)

    • Despatch: Within 1 days
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    • £2.99

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 (8"). More info
    • 1 packet (30 aquilegia seeds)

    • Despatch: Within 1 days
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    • £0.99

Delphinium grandiflorum 'Summer Nights'

Delphinium chinense

Attractive dwarf plants covered in a blanket of dainty midnight-blue flowers. Flowering in their first year from sowing makes them perfect for bedding borders or containers, providing a colourful display over a long summer period.

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    • 1 packet (20 delphinium seeds)

    • Despatch: Within 1 days
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    • £1.99

Aquilegia 'Sweet Rainbows'

Columbine, Granny's Bonnet

A breeding breakthrough! The result of merging a full range of top quality Aquileglas, all selected for form, colour and the best fragrance. Ideal for adding sweet scentsation to any border.
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    • 1 packet (20 aquilegia seeds)

    • Despatch: Within 1 days
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    • £2.99

Foxglove 'Primrose Carousel'

Digitalis purpurea

This is the first primrose-yellow Foxglove coming true from seed, which has the exciting bonus of large claret-speckled flowers which are borne all around the stem, a unique attribute in Foxgloves. Plants are approximately 30in high. therefore remarkably dwarf. Seed of the first plant of this unique yellow was discovered by chance in Suffolk by T&M customer, Miss Gage. T&M breeders have bred for dwarfness, colour and flowers all around the stem. The result is a gorgeous new garden plant. Ideal for containers or exposed situations where Foxgloves would normally falter. Also sensational when planted in drifts in the cottage garden border.
More info
    • 1 packet (50 foxglove seeds)

    • Despatch: Within 1 days
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    • £3.69

Foxglove 'Candy Mountain'

Digitalis purpurea

Foxglove Candy Mountain is totally unique as it is the first upward facing foxglove from seed. This unusual characteristic enables you, and the bees, to peep inside the stunning rose pink blooms and view their delightful freckled throats, which appear all the way around the stems. These flower stems are so strong, sturdy and erect that in breeding trials Candy Mountain was given the nickname 'Viagra'! Ideal for planting in drifts, creating a colourful display towards the middle or back of your perennial or cottage garden borders. Height: 90-140cm (36-56 inches).
More info
    • 1 packet (200 foxglove seeds)

    • Despatch: Within 1 days
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    • £2.99

Foxglove 'Milk Chocolate'

Digitalis parviflora, Digitalis kishinskyi

A delightful species originating from Spain and Portugal. Produces elegant flower spikes covered in small chocolate trumpets circling each stem and attracting beneficial insects. More info
    • 1 packet (100 foxglove seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Aquilegia caerulea

Rocky Mountain Columbine, Colarado Blue Columbine, Granny's Bonnet

Possibly the most beautiful Aquilegia of all. With glorious light to deep blue flowers 2-3in across sometimes fetching bi-coloured with white. An excellent border perennial, grand for cutting, in bloom for several weeks and will grow in sun or light shade. Flowers late spring/early summer. Height: 30-35cm (12-14in)
More info
    • 1 packet (100 aquilegia seeds)

    • Despatch: Within 1 days
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    • £2.99

Foxglove 'Snowy Mountain'

Digitalis purpurea

Hot on the heels of Foxglove Candy Mountain, this striking white version has been developed by flower breeders. Each unique upward-facing bloom is peppered inside with delicate purple spots which will tempt bees and other insects. Tall sturdy spires of flowers will create an eye-catching display in cottage garden borders. Will grow in any garden soil in full sun or part shade.

More info
    • 1 packet (40 foxglove seeds)

    • Despatch: Within 1 days
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    • £2.99

Aquilegia x hybrida 'Firecracker'

Columbine, Granny's Bonnet

Truly outstanding, with blazing, long-spurred blooms of contrasting orange-red and canary-yellow, complemented by blue-green foliage. Ideal planted en masse, turning borders into an explosion of colour.
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    • 1 packet (30 aquilegia seeds)

    • Despatch: Within 1 days
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    • £3.69

Helenium puberulum 'Autumn Lollipop'

Helen's Flower, Rosilla, Helenium puberleum

 Customer Rating

A curious plant for the front of the border. Autumn Lollipop boasts heads of rustic yellow and bronze with a small basal frill of ruffled petals. Highly ornate and also an extremely original cut flower. Height: 60-90cm (24-36in).

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    • 1 packet (80 helenium seeds)

    • Despatch: Within 1 days
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    • £0.99

Amsonia tabernaemontana

Rhazya, Eastern Bluestar

Starry clusters of elegant pale blue Amsonia flowers appear from spring to midsummer. This rarely seen perennial deserves better recognition in gardens for its long flowering period and reliable performance year after year. Amsonia tabernaemontana grows happily in sun or dappled shade and copes well with drought. An attractive and unusual addition to garden borders and woodland gardens. Height: 90cm (35"). Spread: 45cm (18").
More info
    • 1 packet (30 amsonia seeds)

    • Despatch: Within 1 days
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    • £0.99