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 4 products.

Aubrieta 'Purple Cascade' F1 Hybrid


An excellent strain almost smothered in flowers in rich purple shades. Excellent for a bold spring display. Suitable for rockeries, walls, borders, edging paths, planters, window boxes etc. Flowers early spring. Spread 30-38cm (12-15in). More info
    • 1 packet (150 aubretia seeds)

    • Despatch: By end of August 2015
    • £2.69

Penstemon 'Miniature Bells Mixed'

Beard Tongue

Stunning, miniature bells in pink, purple and rose shades, complemented by dwarf attractive blue- green foliage. Flowering over a long period in borders or containers.
More info
    • 1 packet (50 penstemon seeds)

    • Despatch:
    • £0.69
    • Out of stock

Nepeta nervosa 'Blue Moon'


A neat, dwarf, bushy, habit, with large dense blue flower spikes, over a very long period. Quick to flower in 12-16 weeks from an April sowing. Ideal for borders and containers. Height: 30-40cm (12-16in).
More info
    • 1 packet (30 nepeta seeds)

    • Despatch: By end of March 2016
    • £2.89

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 verbena seeds)

    • Despatch: By end of August 2015
    • £2.59