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 341 products.
 

Coreopsis grandiflora 'Presto'

Tickseed

A breeding breakthrough, a true first year flowering perennial Coreopsis, ideal for planting in containers, window boxes or towards the front of borders. Naturally dwarf and compact ball-shaped plants are smothered in double golden yellow blooms all summer.
More info
    • 1 packet (40 coreopsis seeds)

    • Despatch: Within 1 days
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    • £2.59

Saponaria ocymoides

Tumbling Ted, Rock Soapwort

Spreading rockery, or paving plant, myriads of ½in pink flowers.

More info
    • 1 packet (25 saponaria seeds)

    • Despatch: Within 1 days
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    • £0.99

Geranium 'Maverick Mixed' F1 Hybrid

Pelargonium, Zonal Geranium, Zonal Pelargonium

Introducing in T&M's opinion, the ultimate top quality garden Geranium. In trials, they are clear winners with outstanding garden performance. Uniform, well-branched, lush foliaged plants bearing multiple stemmed large flowers, perfect in shape and shatter free. The mixture contains 8 colours: white, coral, star, scarlet, pink, salmon, red and light salmon. Makes an ideal pot plant. Flowers can be edible.
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 geranium seeds)

    • Despatch: By end of July 2016
    •  
    • £1.49 £0.99

Pansy 'Plentifall Mixed' F1 Hybrid

Viola x wittrockiana

 Customer Rating
This new and exciting, large flowered winter pansy has been bred to have a true trailing habit. The branching stems of Pansy 'Plentifall' bear masses of fragrant, colourful blooms that hold up better than larger-flowered types in rain and bad weather. Fill your hanging baskets with colour from autumn right through the coldest months of winter. Trails to: 45cm (18").

Culinary note: Some parts of these flowers are edible. The crystallised petals are great decorations for cakes and cookies, or they can be added straight to green salads for an injection of colour. For more details about edible flowers click here.

More info
    • 1 packet (12 pansy seeds)

    • Despatch: Within 1 days
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    • £0.99

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.
More info
    • 1 packet (20 gaillardia seeds)

    • Despatch: Within 1 days
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    • £2.99

Alstroemeria 'Ligtu Hybrids'

Peruvian Lily

 Customer Rating
Invaluable long-lived border plants in numerous shades of pink, orange and scarlet with distinctive, contrasting stripe. One of the worlds' most popular cut flowers.
More info
    • 1 packet (35 alstroemeria seeds)

    • Despatch: Within 1 days
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    • £3.99

Cynara cardunculus

Cardoon

 Customer Rating
The ripening seed heads of Cynara cardunculus are a fantastic combination of bronzes and golds. The stems are thick and sturdy, the foliage is large, serrated and silver and in its own right presents an imposing border plant for most of the year.
More info
    • 1 packet (18 cynara seeds)

    • Despatch: Within 1 days
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    • £0.99

Hollyhock 'Chater's Double Icicle'

Alcea rosea, Althaea rosea

A classic cottage Hollyhock. Spectacular, large, crystal white, fully double, powder-puff blooms grace tall strong stems from mid summer until autumn. Adds height and a touch of style to the back of perennial or cottage garden borders. Especially effective when planted in groups. Height 1.5-1.8m (5-6ft).

Culinary note: try crystallising the flowers for a tasty cake decoration, or use them to make a delicately flavoured syrup to use with puddings. For more details about edible flowers click here.

More info
    • 1 packet (100 hollyhock seeds)

    • Despatch: Within 1 days
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    • £2.99 £0.99

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 salvia seeds)

    • Despatch: Within 1 days
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    • £2.79

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. The crystallised petals are great decorations for cakes and cookies, or they can be added straight to green salads for an injection of colour. For more details about edible flowers click here.

More info
    • 1 packet (50 pansy seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Datura metel 'Double Blackcurrant Swirl'

Brugmansia, Angels' Trumpet, Downy Thorn Apple

 Customer Rating
A dynamic border, container or conservatory plant with large, beautifully double frilled flowers of blackcurrant and lilac-mauve. The many flowers are earlier than most and continue through to frosts outdoors. Flowers mid summer-autumn. Height 1.4m. (5ft)
More info
    • 1 packet (15 datura seeds)

    • Despatch: Within 1 days
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    • £3.99 £0.99

Monarda didyma 'T&M Superb Mixed'

Bee Balm, Bergamot

Candelabra-like whorls of flowers in a formula mixture with mint scented foliage. Indispensable border flower for most soils, particularly damp sites. Height 90-100cm (30-40in).

Culinary note: Use the dried leaves to make Bergamot tea or use the sweet, spicy flavoured petals to enhance salads, jellies, rice or pasta dishes. For more details about edible flowers click here.

More info
    • 1 packet (80 monarda seeds)

    • Despatch: Within 1 days
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    • £2.99