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 375 products.
 

Foxglove 'Excelsior Hybrid Mixed'

Digitalis purpurea

A most effective and spectacular strain of Foxgloves superb for shady shrub and tree areas, back of borders and excellent for cut flowers. They can really bring the early summer garden alive! Flowers early summer. Height 5ft.
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    • 1 packet (2500 foxglove seeds)

    • Despatch: Within 1 days
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    • £1.99

Salvia patens

Gentian Sage

A classic border plant, ideal for adding a cool blue drift to your planting schemes. The attractive, large blue hooded florets are borne on erect stems above toothed foliage. First year flowering, blooms throughout the summer into autumn. Height: 45-60cm (18-24in).
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    • 1 packet (15 salvia seeds)

    • Despatch: Within 1 days
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    • £0.99

Viola x williamsiana 'Floral Powers Mixed' F1 Hybrid

Pansy

This delightful mixture of very bushy and free-flowering plants is proving to be one of the best viola introductions in recent years. Out-flowering all other varieties, Viola Floral Powers Mixed has large blooms and, as its name suggests, fabulous 'flower power'. Early to bloom in a wonderful range of colours and performing well in borders, containers and baskets.


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

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    • 1 packet (25 Viola seeds)

    • Despatch: Within 1 days
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    • £0.99

Hollyhock 'Nigra'

Alcea rosea, Althaea rosea

 Customer Rating
Tall strong stems bearing chocolate maroon flowers, becoming almost 'black' towards the centre. This is a unique variety creating an impressive impact against most backgrounds. Flowers mid to late summer. Height 5ft.

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

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    • 1 packet (50 hollyhock seeds)

    • Despatch: Within 1 days
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    • £0.99

Hesperis matronalis

Sweet Rocket

Charming, large spikes of single, lilac and purple flowers are produced in the spring filling the air with their sweet and spicy evening fragrance. Sweet Rocket will also attract butterflies and other beneficial insects to your garden. Hardy Biennial - can be perennial in some soils.

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

More info
    • 1 packet (500 hesperis seeds)

    • Despatch: Within 1 days
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    • £2.99

Aquilegia x hybrida 'Firecracker'

Columbine, Granny's Bonnet

Truly outstanding, with blazing, long-spurred blooms of contrasting orange-red and canary-yellow, complemented by blue-green foliage. Ideal planted en masse, turning borders into an explosion of colour.
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    • 1 packet (30 aquilegia seeds)

    • Despatch: Within 1 days
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    • £3.69

Aquilegia x hybrida 'McKana Giants Mixed'

Columbine, Granny's Bonnet

Attractive free-flowering, long spurred mixture in a wide range of vibrant coloured blooms on strong stems, ideal for cutting. Outstanding garden performance. More info
    • 1 packet (200 aquilegia seeds)

    • Despatch: Within 1 days
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    • £2.29

Aquilegia x hybrida 'Green Apples'

Aquilegia vulgaris var. stellata 'Green Apples', Columbine, Granny's Bonnet

The first green flowered Aquilegia with this spectacular Clematis-like flower formation. The buds open in a delightful lime-green shade, fading to a sumptuous apple-green before ageing to a gentle cream. Makes an interesting feature for borders.
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    • 1 packet (20 aquilegia seeds)

    • Despatch: Within 1 days
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    • £2.99

Bellis perennis 'Pomponette Mixed'

Daisy

Masses of tightly quilled 1½in button flowers on compact plants. A bright mixture of red, rose and white. Superb for small beds, edging, windowboxes etc. Growing well in shade they are good for planting under trees or as an edging to patio borders etc. Flowers spring. Height 10-15cm (4-6in).

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

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    • 1 packet (400 seeds)

    • Despatch: Within 1 days
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    • £2.99

Achillea ptarmica 'Double Diamond'

Yarrow, Sneezewort

 Customer Rating
Compact bushy plants are smothered with mainly double, dazzling white pom-pom flowers. An improved selection of this fabulous first-year-flowering hardy perennial, growing to 30cm (12") in the first year and 80cm (32") in the second. Achillea 'Double Diamond' is ideal for the front and middle of borders, as ground cover or as low hedging where it will attract bees and other beneficial insects. This elegant Yarrow also makes a lovely cut or dried flower. Height: 80cm (31"). Spread: 60cm (24").
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    • 1 packet (80 achillea seeds)

    • Despatch: Within 1 days
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    • £0.99

Hellebore (Christmas Rose)

Helleborus niger

Surprise your friends and neighbours with an arrangement of Christmas roses for the festive season! Beautiful blooms at a time when little else is available. From seed you can have a group quite close together in a way which would cost you a great deal if you bought the plants. They flower in about three years from seed and invariably produce stronger, healthier plants.

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    • 1 packet (40 hellebore 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 echium seeds)

    • Despatch: Within 1 days
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    • £3.99