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 33 products.
 

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

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 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Echinacea purpurea 'White Swan'

Coneflower

Strong honey fragranced flowers in 16 weeks, often with 14+ 10cm (4in) blooms out at once. Long lived for border, bedding or cutting. Height: 45-60cm (18-24in).
More info
    • 1 packet (50 seeds)

    • Despatch: Within 1 days
    •  
    • £3.29

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

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
    •  
    • £3.49

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 seeds)

    • Despatch: Within 1 days
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    • £3.69

Anemone japonica (Mixed)

Japanese Anemone, Anemone x hybrida, Windflower

Elegant, late summer flowering perennials, producing their gorgeous, well shaped blooms mainly in rose to pink shades for many weeks and providing the perfect end to the summer. Happy in sun or light shade. Flowers late summer/autumn, Height: 60cm-1.2m (2-4-ft). More info
    • 1 packet (30 seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

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 1 days
    •  
    • £0.99

Rose multiflora nana perpetua 'Garden Party' (Miniature Rose)

Rosa

 Customer Rating
This lovely miniature rose is bred for improved germination making it easy to grow from seed. Flowering in its first year from an early sowing, Rose multiflora nana perpetua 'Garden Party' produces wide, open blooms in delicate shades of rose and pale pink. Perfect for edging beds and borders or growing in containers as an attractive centre piece for the patio table. Height: 25cm (10"). Spread: 35cm (14").

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


Companion planting: Try growing roses with garlic, chives, thyme or mint to help deter aphids and blackfly.


Useful links:

Companion Planting

More info
    • 1 packet (20 seeds)

    • Despatch: Within 1 days
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    • £2.99

Lathyrus latifolius 'White Pearl'

Everlasting Sweet Pea, Perennial Sweet Pea, Lathyrus latifolius 'Albus'

Magnificent, distinctive pearl-like clusters of dazzling white flowers. One of the finest white cut flowers in existance flowering over a long period. They thrive in full sun, love to scramble over tall shrubs, fences etc. and are equally at home on trellises, walls, arbours and pergolas.
More info
    • 1 packet (15 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Dianthus plumarius 'Sweetness Mixed'

Carnation, Pink

A true breakthrough! First year flowering from July to September from an early (February) sowing, producing heavily scented pinks. Dwarf, bushy, spreading plants; ideal for cottage or perennial borders. Easy to maintain - simply trim spent blooms with shears at the end of the season.


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 1 days
    •  
    • £2.39

Scabious 'House's Novelty Mix'

Scabiosa caucasica, Pincushion Flower, Caucasian Scabious

A truly elegant border perennial with blooms in blue, mauve and white on long slender stems which are much in demand for cut flowers. Flowers summer. Height 30in.
More info
    • 1 packet (35 seeds)

    • Despatch: Within 1 days
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    • £2.99