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 24 products.
 

Centranthus 'Star Ruber Mixed'

Valerian, Red Valerian, Pretty Betsy

A beautiful border plant beloved by bees and butterflies. Mixture contains three colours: rose, white and maroon. Plants are lightly fragrant, long flowering and may also be used as a cut flower.
More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £2.69

Delosperma floribunda 'Stardust'

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 2 Days
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    • £2.29

Cyclamen 'All-the-year-round Flowering Mixed'

A balanced mixture of hardy garden varieties thriving in shade or woodland, chosen from species flowering at most periods of the year. Height: 8-15cm (3-6in). More info
    • 1 packet (16 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49

Cerastium tomentosum

Snow-in-summer

A low spreading rock plant with silvery leaves, topped by pure white flowers. Easy and attractive, particularly useful for quickly covering sunny banks etc. Each plant having a spread of 60cm (24in). Flowers late spring/summer.

More info
    • 1 packet (320 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69

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 seeds)

    • Despatch: Within 2 Days
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    • £2.49

Primula vulgaris

Primrose, Common Primrose

Without doubt this native British plant is one of the most beautiful of the Primula family and an excellent garden plant. The flowers are of softest yellow, a colour very rare among flowers, and are deliciously scented. Happy in full sun or part shade. Flowers spring. Height 6in.

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

More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49

Primula x tommasinii 'You and Me Blue'

Hose-in-Hose Primula, Polyanthus

A rarely-offered Primula with the amazing feature of producing two layers of flowers per stem. This unique flower form was first recorded in 1597 and was known as 'Hose in Hose' types after the way Elizabethan gentlemen wore their stockings! You & Me Blue is a delightful selection, which shows off this intriguing characteristic at its best, as well as displaying excellent garden performance and winter hardiness in borders or containers. Height: 15-20cm (6-8in). More info
    • 1 packet (12 seeds)

    • Despatch: Within 2 Days
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    • £1.69

Amsonia tabernaemontana

Rhazya, Eastern Bluestar

Starry clusters of elegant pale blue Amsonia flowers appear from spring to midsummer. This rarely seen perennial deserves better recognition in gardens for its long flowering period and reliable performance year after year. Amsonia tabernaemontana grows happily in sun or dappled shade and copes well with drought. An attractive and unusual addition to garden borders and woodland gardens. Height: 90cm (35"). Spread: 45cm (18").
More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69

Aubrieta 'T&M Mixed Hybrids'

Aubretia

A very special selection of large-flowered Aubretia with a rich colour range. They cascade and spread with vigorous determination. Suitable for rockeries, borders, edging paths, planters etc. Flowers early spring. Spread 18-24in.
More info
    • 1 packet (400 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99

Centranthus ruber 'Snowcloud'

Valerian, Red Valerian, Pretty Betsy

Attractive pure white selection. Ideal for attracting beneficial insects into the garden. Very long flowering and can be used as a cut flower.
More info
    • 1 packet (70 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49

Primula Candelabra Hybrids

An exciting wide ranging mix of these fascinating Primulas which have spikes of very delicate florets appearing in whorls up the stem in a wide range of colours. Thrives in sun or shade. Height: 30-60cm (12-24in). More info
    • 1 packet (80 seeds)

    • Despatch: Within 2 Days
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    • £3.69

Primula japonica 'Mixed'

Japanese Primrose

A hand-blended mix of beautiful Japanese Primulas. Ideal for moist shady borders or beside a pond. Stout stems bear whorls of 2cm (¾ inch) blooms in shades of red-purple, pink and white, often with a contrasting eye. Height: 45-60cm (18-24in). More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49