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 50 products.
 

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

Perennial Flower Border Seed Collection

A well planned flower border is a magnificent sight in summer! This colourful mix of annuals and perennials will brighten up any garden. To help you make the most of your borders, we have grouped together varieties by height to help you achieve a balanced display. Height: Up to 150cm (59"). Spread: Up to 60cm (24").

Collection comprises:

  • Tall Flowers
  • Lupin 'Tutti Frutti' (40 seeds) - A mouth-watering range of attractive bicoloured flower spikes.
  • Delphinium 'Tall Black Knight' (100 seeds) - Tall, robust, candle-like flower spikes packing with attractive, deep blue blooms.
  • Foxglove 'Excelsior Hybrid Mixed' (2500 seeds) - Superb for shady shrub and tree areas, backs of borders and excellent for cut flowers.
  • Melianthus 'Major' (10 seeds) - Blue-green spiky foliage, which has a sweet peanut butter fragrance when crushed.
  • Verbena bonariensis (200 seeds) - This elegant perennial is at its most effective when planted in large swathes.
  • Mid-height Flowers
  • Astrantia 'Ruby Cloud' (22 seeds) - Large flowers of ruby, tinged in apple green.
  • Echinacea 'Magic Box' (30 seeds) - A stunning colour range and superior garden performance.
  • Penstemon 'Wedding Bells' (50 seeds) - Satin, bell-shaped flowers are carried above glossy, semi-evergreen foliage.
  • Lysimachia atropurpurea (40 seeds) - Many spikes of claret-red, almost black florets - a highly unusual colour in perennials.
  • Silene 'Jack Flash' (15 seeds) - Attractive bright red, starburst blooms borne on slender stems.
  • Short Flowers
  • Gaillardia 'Arizona Sun' (20 seeds) - This low maintenance, hardy perennial is trouble-free and even copes well on poor, dry soils.
  • Veronica 'Mixed Colours' (50 seeds) - Many erect spikes, full of tiny flowers.
  • Nepeta 'Blue Moon' (30 seeds) - A neat, dwarf, bushy, habit, with large dense blue flower spikes.
  • Pinks 'Sweetness Mixed' (50 seeds) - Dwarf, bushy, spreading plants; ideal for cottage or perennial borders.
  • Viola 'Rose Shades' (30 seeds) - A delightful bushy, compact and free flowering variety.
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    • 15 varieties - 1 packet of each (3187 seeds in total)

    • Despatch: Within 1 days
    • SAVE £22.76  
    • £47.75 £24.99

Perennial Seed Mix

A well planned perennial border is a magnificent sight in summer! Flowering year after year, getting bigger each season, hardy perennials represent superb value for money - even more so when you buy perennials from seed. To help you make the most of your borders, we have grouped together varieties by height to help you achieve a balanced display. Height: Up to 120cm (47"). Spread: Up to 60cm (24").

Collection comprises:

  • Tall Perennials
  • Lupin 'Tutti Frutti' (40 seeds) - A mouthwatering range of attractive bicoloured flower spikes.
  • Aquilegia 'McKana Giants' (200 seeds) - Free-flowering, long spurred Columbines.
  • Echinacea 'Pink Parasol' (35 seeds) - Deep purplish-pink blooms, with contrasting orange cones.
  • Eryngium 'Miss Wilmott's Ghost' (30 seeds) - Steel-blue cones surrounded by a collar of prickly, silver leaves.
  • Delphinium 'Magic Fountains' (40 seeds) - The majesty of Delphinium blooms with a neat, dwarf habit.
  • Mid-height Perennials
  • Astrantia 'Ruby Cloud' (22 seeds) - Large flowers of ruby, tinged in apple green.
  • Echinacea 'Magic Box' (30 seeds) - A stunning colour range and superior garden performance.
  • Rudbeckia 'Goldstrum' (100 seeds) - A profusion of bright golden flowers on bushy plants.
  • Lysimachia atropurpurea (40 seeds) - Many spikes of claret-red, almost black florets - a highly unusual colour in perennials.
  • Meconopsis grandis (30 seeds) - Wonderful blue Poppies, shot with violet on erect stems.
  • Short Perennials
  • Wallflower 'Tom Thumb' (200 seeds) - Versatile and undemanding, with a very wide colour range.
  • Veronica 'Mixed Colours' (50 seeds) - Many erect spikes, full of tiny flowers.
  • Nepeta 'Blue Moon' (30 seeds) - A neat, dwarf, bushy, habit, with large dense blue flower spikes.
  • Aubrieta 'T&M Mixed Hybrids'(400 seeds) - A large-flowered mix with a rich colour range.
  • Viola 'Rose Shades' (30 seeds) - A delightful bushy, compact and free flowering variety.
More info
    • 15 varieties - 1 packet of each (1277 seeds in total)

    • Despatch: Within 1 days
    • SAVE £23.56  
    • £45.55 £19.99

Foxglove 'Alba'

Digitalis purpurea f. albiflora, Digitalis purpurea 'Alba'

Marvellous large pure white spikes, a rare and unusual colour. Magnificent in the border in sun or part shade and very useful as a cut flower. Flowers early summer.
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    • 1 packet (150 seeds)

    • Despatch: Within 1 days
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    • £2.69

Anemone japonica (Mixed)

Japanese Anemone, Anemone x hybrida, Windflower

Elegant, late summer flowering perennials, producing their gorgeous, well shaped blooms mainly in rose to pink shades for many weeks and providing the perfect end to the summer. Happy in sun or light shade. Flowers late summer/autumn, Height: 60cm-1.2m (2-4-ft). More info
    • 1 packet (30 seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

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”).
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    • 1 packet (200 seeds)

    • Despatch:
    •  
    • £2.89
    • Out of stock

Aquilegia x hybrida 'Green Apples'

Aquilegia vulgaris var. stellata 'Green Apples', Columbine, Granny's Bonnet

The first green flowered Aquilegia with this spectacular Clematis-like flower formation. The buds open in a delightful lime-green shade, fading to a sumptuous apple-green before ageing to a gentle cream. Makes an interesting feature for borders.
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    • 1 packet (20 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Foxglove 'Camelot Trio' F1 Hybrid

Digitalis

One packet each of: 'Camelot Cream', 'Lavender' and 'Rose'. The first ever F1 Hybrid Foxgloves! Spectacular plants that reliably flower in the first year, with another heavy flush of flowers in the second year. Uniform plants with high quality flower spikes in a rich carousel of colour as the speckled, jewel-like blooms open all around the stout stems, giving more impact than ever before! Ideal for shady beds and borders. Prefers any well-drained soil in part shade. Height: 90-120cm (3-4ft). More info
    • 3 packets - 1 of each variety (52 pellets in total)

    • Despatch: Within 1 days
    • SAVE £1.98  
    • £8.97 £6.99

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 seeds)

    • Despatch: Within 1 days
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    • £2.69

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)
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    • 1 packet (100 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

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.
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    • 1 packet (200 seeds)

    • Despatch: Within 1 days
    •  
    • £2.19

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 seeds)

    • Despatch: Within 1 days
    •  
    • £3.19