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 65 products.
 

Poppy 'Raspberry Brulee'

Papaver orientale, Oriental Poppy

From T&M’s own breeding comes this mouth watering perennial Oriental Poppy. Exquisite raspberry pink blooms with the delicate texture of tissue paper are decorated with dramatic dark markings at the base of each petal. Poppy ‘Raspberry Brûlée’ adds spectacular colour to early summer borders. By late summer the attractive seed heads also make an eye catching feature in wildlife gardens or cottage garden planting schemes. Height: 70cm (28"). Spread: 50cm (20").
More info
    • 1 packet (40 poppy seeds)

    • Despatch: Within 1 days
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    • £2.49

Echinacea 'PowWow Wild Berry'

Coneflower

With outstanding garden performance and the capacity to produce more flowers per plant than any other seed-raised Coneflower, Echinacea 'PowWow Wild Berry' is a striking addition to any garden. Whether grown as a first-year flowering or as a traditional over-wintered perennial, its unique and intense deep-pink flowers with their dark rose centres will invigorate borders and pots with their vivid colour. Coneflower plants are particularly useful for exposed coastal sites and wildlife gardens. Height: 60cm (24"). Spread: 45cm (18").
More info
    • 1 packet (10 seeds)

    • Despatch: Within 1 days
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    • £3.99

Salvia coccinea 'Summer Jewel Pink'

Scarlet Sage

Applauded by Fleuroselect judges, Salvia coccinea 'Summer Jewel Pink' is the latest addition to the ‘Summer Jewel’ series. Quicker to flower and more compact than other dwarf salvias, this free flowering variety bears its long lasting shell pink blooms above compact aromatic foliage. Scarlet Sage makes a stunning addition to borders and containers where it will attract pollinating insects to its delicate blooms. Although perennial, Salvia coccinea is half hardy and best treated as an annual in the UK. Height: 45cm (18"). Height: 45cm (18"). Spread: 30cm (12"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 1 days
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    • £2.79

Poppy 'Coral Reef'

Papaver orientale, Oriental Poppy

 Customer Rating

A chance discovery on T&M research grounds has led to the introduction of this spectacular NEW true orientale poppy. Large vibrant flowers, often 5in. across of an intense and vivid coral pink never seen before in true orientale poppies from seed and rarely matched in the entire flower kingdom. Unlike many orientale poppies available, because it has been bred from seed it has consistent vigour, with many flowers over a long flowering period. Also it is not prone to 'flopping over' a fault with many varieties of this type of poppy. It is a long lived perennial making large plants within 3 years. From a late Autumn sowing it will flower in its first summer, coming true from seed. In a mixed orientale poppy trial the bees had apparently been very active as a red flowered hybrid produced several plants of this vivid pink. T&M's breeders got busy and... Coral Reef was born!

More info
    • 1 packet (45 seeds)

    • Despatch: Within 1 days
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    • £2.99

Erigeron karvinskianus 'Profusion'

Erigeron karvinskianus, Fleabane, Mexican Fleabane

Lovely subject for hanging baskets, window boxes, patio tubs. Flowers within 3 months.
More info
    • 1 packet (200 seeds)

    • Despatch: By end of June 2015
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    • £3.49

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 seeds)

    • Despatch: Within 1 days
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    • £2.89

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
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    • £2.69

Verbascum x hybrida 'Copper Rose' F1 Hybrid

Mullein, Celsia

The robust plants are actually incapable of setting viable seed, so we must offer seed which has been pollinated meticulously by hand between the two parent plants. As with most F1 Hybrids, special factors are tremendous vigour and a plant that just keeps on flowering, as it tries to produce seed which it cannot do. The gorgeous silky, large blooms will smother the soft, silver stems which reach up to 3ft. A great range of fashionable and delicious colours - ranging from copper to buff, apricot, old rose, tan and other lovely blends, all bursting from the contrasting silvery-grey flower spikes and buds. Sown in January/February they will easily flower during the summer of their first year, and if cut back will often re-bloom. An excellent performer. More info
    • 1 packet (10 seeds)

    • Despatch: Within 1 days
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    • £5.99

Echinacea purpurea 'Double Decker'

Coneflower

A very unusual purple-red flowered variety that produces predominantly single flowers in the first growing season, followed by a high percentage of these visually stunning 'twin' flowers in the second season, with the chance that some may even be fully double. These intriguing flowers grace tall, strong stems and make superb long lasting border perennials, attracting many beneficial insects to your garden.
More info
    • 1 packet (20 seeds)

    • Despatch: Within 1 days
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    • £0.99

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

Achillea millefolium 'Cassis'

Yarrow

Many stems with masses of attractive, intense cherry red flowers, over a very long period. Achillea Cassis is a first year flowering perennial, making an excellent border filler and cut flower.
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    • 1 packet (70 seeds)

    • Despatch: Within 1 days
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    • £0.99

Geranium 'Horizon Pink Meteor' F1 Hybrid

Pelargonium x hortorum, Zonal Geranium, Zonal Pelargonium

Fabulous geranium which looks just as good in bud as in full flower. The large, bushy, free-flowering plants of Geranium Horizon Pink Meteor are perfect for borders and containers where the spectacular weather-resistant blooms will flower all summer long. Petals have shocking pink undersides with pure white uppers, attractively 'dusted' with pink in the centre and on the edges.
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 (6 seeds)

    • Despatch: Within 1 days
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    • £3.49