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 47 products.
 

Silene laciniata 'Jack Flash'

Catchfly, Campion

Wow! What a stunning perennial! Easy to grow and sure to catch some admiring glances. Attractive bright red, starburst blooms borne on slender stems. Goes on flowering over a very long period.
More info
    • 1 packet (15 seeds)

    • Despatch: Within 1 days
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    • £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.
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    • 1 packet (40 seeds)

    • Despatch: Within 1 days
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    • £3.69

Tropaeolum speciosum

Flame Nasturtium, Flame Flower, Flame Creeper

Flame Flower. Gorgeous scarlet flowered climber. Climbs to 180-300cm (6-10ft).
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    • 1 packet (10 seeds)

    • Despatch: By end of May 2015
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    • £4.69

Gaillardia x grandiflora 'Arizona Red Shades'

Blanket Flower

 Customer Rating
  • First red gaillardia from seed
A spectacular new dwarf Blanket Flower with a long-flowering period and superb garden performance. Flowering in their first year, the fiery red blooms sit neatly above uniform, well-branched plants throughout summer and well into autumn. Gaillardia x grandiflora 'Arizona Red Shades' is undemanding, providing fabulous colour whatever the weather. Perfect for containers or filling gaps in the front of borders. Height: 30cm (12”). Spread: 45cm (18”).
More info
    • 1 packet (20 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Astrantia major-hybrida 'Ruby Cloud'

Hattie's Pincushion, Masterwort

Thin upright stems, large flowers of ruby, tinged in apple green. True from seed and wonderful in the damp border.
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    • 1 packet (22 seeds)

    • Despatch: Within 1 days
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    • £3.99

Geranium 'Moulin Rouge' F1 Hybrid

Pelargonium, Zonal Geranium, Zonal Pelargonium

Found to be the most outstanding bedding Geranium in T&M's trials. So vigorous, the plants are smothered in large scarlet blooms throughout the season. Sure to give a glorious display. Ideal for bedding or containers.
Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.
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    • 1 packet (6 seeds)

    • Despatch: Within 1 days
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    • £3.69

Lupin 'Morello Cherry'

Lupinus x regalis

The high quality, large stems of rich cherry and deep cherry keels, contrast wonderfully together. A selection made by T&M, believed to be the fastest first year flowering perennial Lupin we know. Will brighten any border. Height: 90-112cm (36-45in). CAUTION: Seeds Are Very Poisonous.
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    • 1 packet (30 seeds)

    • Despatch: By end of May 2015
    •  
    • £3.29

Gaillardia aristata 'Arizona Sun'

Blanket Flower

Extremely dwarf, compact mound-forming plants become a mass of radiant red and gold large, daisy-like flowers throughout the summer. Flowers very quickly from seed, so makes a useful addition to perennial borders, or will add interest to bedding displays and containers.
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    • 1 packet (20 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Geranium 'Border Supreme' F2 Hybrid

Pelargonium x hortorum, Zonal Geranium, Zonal Pelargonium

An exclusive blend of high quality bedding Geraniums at a very low price! Robust, free-flowering plants, with many large flower heads in shades of red, rose, pink, salmon and white. An inexpensive way of filling your borders and containers.
Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.
More info
    • 1 packet (18 seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

Salvia coccinea 'Summer Jewel Red'

Scarlet Sage

  • Flowers all summer until the first frosts
Applauded by Fleuroselect judges, Salvia coccinea 'Summer Jewel Red' is quicker to flower and more compact than other dwarf salvias. This free flowering variety bears its long lasting scarlet blooms above compact aromatic foliage. Scarlet Sage makes a stunning addition to borders and containers where it will attract pollinating insects to its fiery blooms. Although perennial, Salvia coccinea is half hardy and best treated as an annual in the UK. Height: 45cm (18"). Spread: 30cm (12").
More info
    • 1 packet (30 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Melianthus major

Honey bush

 Customer Rating
This spectacular architectural feature plant looks stunning planted in large ornamental or exotic borders and containers with its blue-green spiky foliage, which has a sweet peanut butter fragrance when crushed. Known as the Honeybush because its tall bronzered flower spikes project a beautiful honey fragrance. Plants will need winter protection in cooler areas. Height 225cm (90in). Spread 200cm (80in)
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    • 1 packet (10 seeds)

    • Despatch: Within 1 days
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    • £4.99

Knautia macedonica 'Melton Pastels'

Macedonian Scabious, Scabiosa rumelica

Glorious scabious-like, 4cm (1?in) pin cushion blooms in the softer hues: blue, mauve, pink, rose, salmon and crimson. Excellent back of border plant producing masses of flowers in two flushes (provided you cut down spent bloom), through to autumn frosts. Suitable for most types of soil. Flowers summer to early autumn. Height 90-120cm (3-4ft).
More info
    • 1 packet (30 seeds)

    • Despatch: Within 1 days
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    • £3.99