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 21 products.
 

Lunaria annua

Honesty, Lunaria biennis

This pretty annual Honesty blooms from March to April in rich shades of purple, attracting many butterflies to its nectar-rich blooms. Lunaria annua is very easy to grow, normally self-seeding itself in sunny or shady positions. After flowering it produces masses of long-lasting silvery seed pods. Height: 90cm (35").
More info
    • 1 packet (50 lunaria seeds)

    • Despatch: By end of November 2015
    •  
    • £2.69

Verbena bonariensis

Glandularia, Verbena patagonica

Tall heads of bright, eye-catching rosy lavender, adding a tranquil tropical feel to borders. Height: 120-150cm (4-5ft).
More info
    • 1 packet (200 seeds)

    • Despatch: By end of August 2015
    •  
    • £2.99

Lysimachia atropurpurea

Loosestrife

A superb border plant with silver- green lanceolate foliage and many spikes of claret-red, almost black florets - a highly unusual colour in perennials. May also be used in containers or as a cut flower.
More info
    • 1 packet (40 lysimachia seeds)

    • Despatch: By end of May 2016
    •  
    • £3.69

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 aster seeds)

    • Despatch: By end of September 2015
    •  
    • £2.99

Verbena hastata 'Pink Spires'

Glandularia, Vervain, Verbena hastata f. rosea

A stunning Verbena, enhanced by vivid deep pink flowers borne on well branches spikes. Flowers over a very long period. Adds height to borders as well as making a splendid cut flower. Height: 90-120cm (3-4 feet) More info
    • 1 packet (50 verbena seeds)

    • Despatch: By end of October 2015
    •  
    • £2.89

Primula veris

Cowslip

The famous meadow and hedge row plant of simple beauty. Fragrant lemon yellow pendulous blooms. Easy to grow in sun or part shade. Flowers spring. Height 23cm (9in). Contact with the leaves may cause skin allergy to some people with sensitive skins.

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

More info
    • 1 packet (150 primula seeds)

    • Despatch: By end of April 2016
    •  
    • £2.69

Lysimachia ephemerum

Loosestrife

Probably one of the best species with silver lanceolate foliage and stems. The flower spikes contain many small white flowers, gently veined in mauve. A choice perennial from Spain, and an unusual cut flower too. Height: 60-120cm (3-4ft). More info
    • 1 packet (50 lysimachia seeds)

    • Despatch:
    •  
    • £1.49
    • Out of stock

Mimulus x hybridus 'Magic Yellow Flame' F1 Hybrid

Diplacus, Monkey Flower, Musk

Wow! Dwarf compact early flowering plants are smothered in stunning golden-yellow blooms. Intriguingly marked with delicate vibrant orange spots. This versatile variety for borders or containers will burst into colour when grown in sun or shade. Height: 15-23cm (6-9in). More info
    • 1 packet (40 mimulus seeds)

    • Despatch: By end of October 2015
    •  
    • £0.99

Veronica (Mixed Colours)

Speedwell

T&M have blended a mixture of species which are fantastic front of border or rockery plants. Producing many erect spikes, full of tiny flowers that create much impact in a complementary range of colours - orchid pink, royal blue, white, rose and light blue. Flower summer. Height: 30-35cm (12-14in). More info
    • 1 packet (50 Veronica seeds)

    • Despatch: By end of November 2015
    •  
    • £3.69

Gaura lindheimeri 'Sparkle White'

This stunning hardy perennial makes a fabulous border plant! Its graceful, slender stems are topped with a flurry of dazzling white, starry blooms that still look fresh and airy at the end of summer. This bushy, clump forming variety has a neat, compact habit that makes it perfect for the front of sunny borders or edging paths as a mini hedge. Once established, Gaura lindheimeri 'Sparkle White' even copes well during periods of drought. Height and spread: 45cm (18"). More info
    • 1 packet (15 gaura seeds)

    • Despatch: By end of September 2015
    •  
    • £2.99

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 gaura seeds)

    • Despatch: By end of October 2015
    •  
    • £3.69

Mimulus x hybridus 'Mystic Mixed' F1 Hybrid

Diplacus, Monkey Flower, Musk

 Customer Rating
Mimulus are versatile bedding plants for full sun or part shade. The Mystic Mixed is quick to flower and perfect for use in bedding, borders and containers. This exclusive blend covers a wide colour range and includes spotted blooms. Height: 15-23cm (6-9in).
More info
    • 1 packet (40 mimulus seeds)

    • Despatch: By end of October 2015
    •  
    • £0.99