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 16 products.
 

Verbena bonariensis

Glandularia, Verbena patagonica

Tall heads of bright, eye-catching rosy lavender, adding a tranquil tropical feel to borders. Height: 120-150cm (4-5ft).
More info
    • 1 packet (200 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Rudbeckia fulgida var. sullivantii 'Goldsturm'

Coneflower, Black-eyed Susan

A profusion of bright flowers up to 5in across on bushy plants.
More info
    • 1 packet (100 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

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
    •  
    • £3.49

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.

More info
    • 1 packet (25 seeds)

    • Despatch: Within 1 days
    •  
    • £3.99

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
    •  
    • £3.69

Foxglove 'Alba'

Digitalis purpurea f. albiflora, Digitalis purpurea 'Alba'

Marvellous large pure white spikes, a rare and unusual colour. Magnificent in the border in sun or part shade and very useful as a cut flower. Flowers early summer.
More info
    • 1 packet (150 seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

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).
More info
    • 1 packet (15 seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Aquilegia caerulea

Rocky Mountain Columbine, Colarado Blue Columbine, Granny's Bonnet

Possibly the most beautiful Aquilegia of all. With glorious light to deep blue flowers 2-3in across sometimes fetching bi-coloured with white. An excellent border perennial, grand for cutting, in bloom for several weeks and will grow in sun or light shade. Flowers late spring/early summer. Height: 30-35cm (12-14in)
More info
    • 1 packet (100 seeds)

    • Despatch: Within 1 days
    •  
    • £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

Rudbeckia amplexicaulis

Clasping Coneflower, Dracopsis amplexicaulis

Something different for the border. This drought tolerant perennial is quick growing, with masses of 'Mexican hat' blooms all summer, aloft blue-green foliage. Grow in wide drifts to create a natural 'prairie' effect in the garden. Prefers a fertile, well-drained soil in full sun.
More info
    • 1 packet (100 seeds)

    • Despatch: Within 1 days
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    • £2.69

Verbena rigida

Verbena venosa, Veined Verbena, Glandularia

Dense 5cm (2in) clusters of purple fragrant flowers and dark green leaves. Adds height and interest to bedding displays. Lift tubers in autumn. Height: 30-60cm (1-2ft).
More info
    • 1 packet (150 seeds)

    • Despatch: Within 1 days
    •  
    • £2.59

Foxglove 'Apricot'

Digitalis purpurea

 Customer Rating
An outstanding introduction producing large spikes of a lovely shade of Apricot. A most unusual and sought after colour. Excellent for the border in sun or part shade, and very useful as a cut flower. Flowers early summer. Height 1.3-1.5m (4-5ft).
More info
    • 1 packet (450 seeds)

    • Despatch: Within 1 days
    •  
    • £0.99