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 7 products.
 

Penstemon cobaea 'Wedding Bells'

A first year flowering perennial, Penstemon cobaea 'Wedding Bells' combines some of the best penstemons from T&M's own breeding programme. Satin, bell-shaped flowers in a variety of bright colours and patterns are carried over a particularly long flowering period, above glossy, semi-evergreen foliage. A fantastic alternative to Antirrhinums (snapdragons) in annual bedding schemes, these compact penstemon plants boast large flowers and superb weather resistance. Easy to maintain, these hardy perennials are also attractive to bees. Height: 50cm (18"). Spread: 45cm (18").

Useful links:

Gardening news: Move over marigolds... new bedding plants fly in the face of tradition

More info
    • 1 packet (50 penstemon seeds)

    • Despatch: by Monday
    •  
    • £2.49

Foxglove 'Dalmatian Cream' F1 Hybrid

Digitalis purpurea

Exquisitely simple white blooms with rich purple spotted interiors make a sophisticated summer display. Foxglove 'Dalmation Cream' produces well branched, compact, dwarf plants that flower surprisingly quickly in their first year from sowing. The upright flower spikes of this superb cottage garden perennial are ideal for adding height to the back of borders or planting en masses for an enchanting, informal bedding scheme. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 1 packet (12 foxglove seeds)

    • Despatch: by Monday
    •  
    • £3.09 £0.99

Agastache foeniculum 'Golden Jubilee'

Anise Hyssop, Agastache rugosa, Agastache anisata, Agastache anethiodora

Attractive, golden-green foliage with a distinct aniseed fragrance, making a vibrant contrast to the compact lavender-blue flower spikes. Adds interest to borders and containers, as well as attracts wildlife to your garden. Fragrant and excellent in borders or containers.

Culinary note: Add both flowers and leaves to cakes or whipping cream for a hint of anise flavour. For more details about edible flowers click here.

More info
    • 1 packet (20 agastache seeds)

    • Despatch: by Monday
    •  
    • £0.99

Agapanthus 'Headbourne Hybrids'

Free flowering with large round heads of true blue flowers growing into a thick established clump. Truly hardy. Bold, attractive bulbous plants for sheltered borders, tubs, containers etc. Elegant strap shaped leaves and bunches of blue flowers on 2-3ft long sterns. The dried seed head can be used for winter decoration. There is considerable evidence that these hybrids are really hardy in many parts of the British Isles, particularly where good drainage is possible. They flower freely in their second year and generally make very good garden plants, growing into a thick established clump. Flowers mid/late summer. More info
    • 1 packet (22 agapanthus seeds)

    • Despatch: by Monday
    •  
    • £3.99

Foxglove 'Dalmatian Peach' F1 Hybrid

Digitalis purpurea

Soft apricot coloured blooms delicately spotted with yellow cream markings make this beautiful digitalis particularly beguiling. Foxglove 'Dalmation Peach' produces well branched, compact, dwarf plants that flower surprisingly quickly in their first year from sowing. The upright flower spikes of this superb cottage garden perennial are ideal for adding height to the back of borders or planting en masses for an enchanting, informal bedding scheme. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 1 packet (12 foxglove seeds)

    • Despatch: by Monday
    •  
    • £3.49

Poppy 'Dwarf Allegro'

Papaver orientale, Oriental Poppy

Non-sprawling upright completely weather resistant, very hardy plant that makes vivid splashes of scarlet. The 6in blooms are the most eyecatching of all border plants, from hundreds of feet away. They are excellent long-lived border plants, happy in most sites and soils, with bold foliage and large cup-shaped flowers. At its best in small groups in the herbaceous border. Flowers late spring to early summer. Height: 40-50cm (16-20in). More info
    • 1 packet (300 seeds)

    • Despatch: by Monday
    •  
    • £2.99

Foxglove 'Dalmatian Purple' F1 Hybrid

Digitalis purpurea

Beautiful rich purple blooms with delicate spotted interiors are certain to attract bees and pollinating insects to your garden. Foxglove 'Dalmation Purple' produces well branched, compact, dwarf plants that flower surprisingly quickly in their first year from sowing. The upright flower spikes of this superb cottage garden perennial are ideal for adding height to the back of borders or planting en masses for an enchanting, informal bedding scheme. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 1 packet (12 foxglove seeds)

    • Despatch: by Monday
    •  
    • £3.09