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 89 products.
 

Geranium 'World's Top Six Mix'

Pelargonium, Zonal Geranium, Zonal Pelargonium

From the worlds's top geranium breeder 6 of their finest varieties. Each is an 'eyecatcher', exquisite in colour, ultra early, beautiful in form and size of bloom, and where possible has strikingly zoned foliage. They represent the very pinnacle of achievement in the breeders art. Suitable for bedding, border, pot plants, baskets and tubs. Contains 6 separately labelled inner packets each containing 5 seeds.
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 (30 seeds)

    • Despatch: Within 1 days
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    • £9.99

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

Dianthus amurensis 'Siberian Blues'

Carnation, Pink

This charming hardy perennial forms neat mounds of blue-grey evergreen foliage that contrast beautifully with the lavender blue flowers. Dianthus amurensis ‘Siberian Blue’ blooms over a long period throughout summer on resilient, dense plants with a vigorous habit. Perfect for planting in rockeries, alpine troughs and at the front of borders where it will form useful low maintenance ground cover. Height: 38cm (15"). Spread: 30cm (12").

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

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    • 1 packet (100 seeds)

    • Despatch: Within 1 days
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    • £0.99

Echium pininana

Tower of Jewels, Giant Viper's Bugloss, Tree Echium, Echium pinnifolium

 Customer Rating

No wonder this is also called Tower of Jewels or 'Pride of Tenerife! Exceptionally tall flower spikes packed with either rose or purple-blue flowers, interspersed with silver-green lanceolate leaves.

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    • 1 packet (25 seeds)

    • Despatch: Within 1 days
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    • £3.99

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
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    • £2.69

Pansy 'Petite Mixed' F1 Hybrid

Viola x wittrockiana

 Customer Rating
T&M believe that this is The Best Winter Flowering Pansy! Earlier and more floriferous than many old favourites, with the widest colour spectrum imaginable. Very dwarf, compact plants, flowering over a long period in borders and containers. Height: 15-23cm (6-9in).

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

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    • 1 packet (35 seeds)

    • Despatch: Within 1 days
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    • £3.99

Dichondra argentea 'Silver Falls'

Silver Ponyfoot

 Customer Rating

Vigorous growth displays true cascading plants with attractive glistening silver foliage and stems. Excellent added to mixed containers or creates a stunning basket plant on its own. Height: 5-7.5cm (2-3 inches). Spread/Trailing 90-120cm (3-4 feet).

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    • 1 packet (10 seeds)

    • Despatch: Within 1 days
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    • £3.99

Tacca chantrieri 'Nivea'

Cat's Whiskers, Devil Flower, Bat Plant

This rare white form of the ever popular Bat Plant offers shiny, dark green leaves and in 2-3 years when mature, magnificent white, green veined blooms with long tentacles. A thought- provoking plant for the home or conservatory. More info
    • 1 packet (8 seeds)

    • Despatch: Within 1 days
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    • £4.99

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

Francoa sonchifolia 'Pink Giant'

Bridal Wreath

Reliable garden perennial with deeply lobed green leaves and spikes of large pink bicoloured petals on long flower spikes. Just as lovely in a border as in a vase.

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    • 1 packet (40 seeds)

    • Despatch: Within 1 days
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    • £3.49

Pansy 'Padparadja' F2 Hybrid

Viola x wittrockiana

So intense is the effect of its solid orange blooms, it is unlikely there is anything to match it.

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

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    • 1 packet (50 seeds)

    • Despatch: Within 1 days
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    • £0.99

Dianthus superbus 'Crimsonia'

Carnation, Pink

Deliciously fragrant! Rich crimson, deeply-cut, large fringed petals, filling the air with their sweet perfume. A first year flowering perennial, which Is very hardy, neat and compact, with outstanding garden performance. Ideal in borders, containers or as a cut flower. Height: 38-50cm (15-20in).

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

More info
    • 1 packet (200 seeds)

    • Despatch: Within 1 days
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    • £2.99