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 63 products.
 

Foxglove 'Silver Cub'

Digitalis purpurea subsp. heywoodii

  • NEW in 2014
This unusual foxglove produces silvery foliage coated in a layer of thick hair which feels soft to the touch like puppies' ears! Clear white blooms with delicate spotted centres decorate sturdy, mid-height flower stems on multi-branched plants from May to July. Flowering in its first year from a January sowing, grow Foxglove 'Silver Cub' in sunny or partially shaded borders where it will attract bees and other pollinating insects. Height: 60cm (24"). Spread: 45cm (18").
More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99

Meconopsis baileyi 'Alba'

Himalayan Poppy, Tibetan Poppy, Meconopsis betonicifolia

  • New in 2014
  • Rare white Himalayan poppy
Rarely seen, this stunning white form of the Himalayan blue poppy is a real eye-catcher in late spring and early summer. Pure white, silky petals surround golden yellow stamens to form clear, single blooms up to 10cm (4") across. Forming a basal rosette of hairy leaves, Meconopsis baileyi 'Alba' thrives in cool, moist, shady borders and woodland gardens, making a stunning feature when planted en masse. This captivating short-lived perennial is 99% true to type; very occasionally the odd blue flower may appear. Height: 90cm (35"). Spread: 50cm (20").
More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Gaura lindheimeri 'Sparkle White'

More compact and earlier flowering than traditional gaura. 'Sparkle White' offers slender stems topped with a flurry of dazzling white starry blooms. This clump forming variety has a neat habit perfect for front of border or path edging. Once established, it even copes well during periods of drought. Still looks fresh at the end of summer. More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99