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.
 

Delosperma 'Hardy Mixed'

Ice Plant

 Customer Rating
The perfect plant for that hot, dry spot in your borders or rockeries. Dwarf, shiny, deep green, almost metallic-looking succulent foliage bursts into bloom from mid May. Plants are covered with spectacular lilac-purple flowers flowers with large white centres, flowering until the first frost. Loved by butterflies. Height: 10-15cm (4-6in)
More info
    • 1 packet (200 seeds)

    • Despatch: Within 8 days
    •  
    • £2.69

Foxglove 'Glittering Prizes Mixed'

Digitalis purpurea

 Customer Rating

A much sought after old traditional foxglove with flowers much larger than usual which are delightfully and exotically splashed and mottled in a good range of rich colours, purple, lilac, cream, white and rose. Each flower has a large purple blotched throat. A tall, majestic plant flowering somewhat earlier than other varieties. Ideal for the back of the border and a excellent cut flower. Flowers early summer. Height 120-180cm (4-6ft).

More info
    • 1 packet (300 seeds)

    • Despatch: Within 8 days
    •  
    • £0.69

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.

More info
    • 1 packet (300 seeds)

    • Despatch: Within 8 days
    •  
    • £0.69

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 8 days
    •  
    • £3.69

Scabious 'House's Novelty Mix'

Scabiosa caucasica, Pincushion Flower, Caucasian Scabious

A truly elegant border perennial with blooms in blue, mauve and white on long slender stems which are much in demand for cut flowers. Flowers summer. Height 30in.
More info
    • 1 packet (35 seeds)

    • Despatch: Within 8 days
    •  
    • £2.99

Cichorium intybus 'Electric Blue'

Chicory, Succory

The wild form of the vegetable Chicory makes a beautiful addition to a cottage garden border. Electric blue flowers are produced on the many, breezy stems throughout summer. Be quick to enjoy their beauty, as the flowers always close by midday!

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

More info
    • 1 packet (300 seeds)

    • Despatch: Within 8 days
    •  
    • £3.29

Verbascum x hybrida 'Banana Custard'

Mullein, Celsia

A fantastic new Verbascum! Strong, erect spikes literally packed with very large 2in. flowers of brightest, dazzling two-tone yellow. A glowing, valuable back of border, cottage garden plant. Remove spent stems to encourage a second flush of flowers. Height: 150-180cm (5-6ft). More info
    • 1 packet (40 seeds)

    • Despatch: Within 8 days
    •  
    • £0.99

Salvia transylvanica

Sage

Effective blue border plant. More info
    • 1 packet (50 seeds)

    • Despatch: Within 8 days
    •  
    • £2.99

Verbascum bombyciferum 'Silver Lining'

Broussa Mullein, Celsia

Silver leaves, erect fleecy silver stems, heavily studded with cool yellow flowers.

More info
    • 1 packet (500 seeds)

    • Despatch: Within 8 days
    •  
    • £1.49

Potentilla thurberi 'Monarch's Velvet'

Cinquefoil

Of all garden Potentillas, this must surely be one of the most attractive. Heart-shaped, rich raspberry red petals forming saucer-shaped flowers; a wonderful colour in its own right - but add a deep velvet red centre, appearing just like an ink blot which has diffused outwards and the flowers radiate beauty; a real garden treasure. Flowering over a long period, an absolute must for the perennial border and cottage garden alike. Flowers summer. Height: 60-90cm (24-36in).

More info
    • 1 packet (25 seeds)

    • Despatch: Within 8 days
    •  
    • £3.29

Short Perennial 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 40cm (16"). Spread: Up to 60cm (24").

Collection comprises:

  • 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
    • 5 varieties - 1 packet of each (710 seeds in total)

    • Despatch: Within 8 days
    • SAVE £4.86  
    • £13.85 £8.99