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 37 products.
 

Wildflower 'Honey Bee Flower Mixed'

 Customer Rating
A blend of 19 species of nectar and pollen rich annual and perennial wildflowers, which are proven favourites of honey bees in our gardens. Our special selection provides forage over a long season making it an invaluable food source for bees. This colourful wild flower mix is perfect for those gardeners with their own honeybee hives, or those wishing to encourage bees into their gardens. Height: 60cm (24”). Spread: 30cm (12”).

1 gram of seed sows an area of approximately 1 square metre.

More info

    • 1 packet (1 gram)

    • Despatch: By end of April 2014
    •  
    • £1.99

Centranthus 'Star Ruber Mixed'

Valerian, Red Valerian, Pretty Betsy

A beautiful border plant beloved by bees and butterflies. Mixture contains three colours: rose, white and maroon. Plants are lightly fragrant, long flowering and may also be used as a cut flower.
More info
    • 1 packet (100 seeds)

    • Despatch: By end of April 2014
    •  
    • £2.89

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: By end of April 2014
    •  
    • £0.99

Dianthus barbatus 'Kaleidoscope Mixed'

Sweet William

  • RHS Perfect for Pollinators
A cottage garden favourite with an unusual colour twist! This beautiful Sweet William produces large heads of pretty pink flowers that gradually mature to white, creating a delightful bicolour effect. Sweet William 'Kaleidoscope' is highly scented with multi branching stems that make it superb for cutting. Often grown as a biennial, this short lived perennial is ideal for borders, beds and containers, and will even flower in the same year if sown early. Height: 60cm (24”). Spread: 30cm (12”).

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

More info
    • 1 packet (40 seeds)

    • Despatch: By end of April 2014
    •  
    • £1.29

Meconopsis grandis

Himalayan Blue Poppy

 Customer Rating

Sturdy and long-lived with huge flowers 10-12cm (4-5in) across in a wonderful blue, shot with violet on erect stems.

More info
    • 1 packet (30 seeds)

    • Despatch: By end of April 2014
    •  
    • £2.99

Echinacea 'PowWow Wild Berry'

Coneflower

With outstanding garden performance and the capacity to produce more flowers per plant than any other seed-raised Coneflower, Echinacea 'PowWow Wild Berry' is a striking addition to any garden. Whether grown as a first-year flowering or as a traditional over-wintered perennial, its unique and intense deep-pink flowers with their dark rose centres will invigorate borders and pots with their vivid colour. Coneflower plants are particularly useful for exposed coastal sites and wildlife gardens. Height: 60cm (24"). Spread: 45cm (18").
More info
    • 1 packet (10 seeds)

    • Despatch: By end of April 2014
    •  
    • £3.99

Silene laciniata 'Jack Flash'

Catchfly, Campion

Wow! What a stunning perennial! Easy to grow and sure to catch some admiring glances. Attractive bright red, starburst blooms borne on slender stems. Goes on flowering over a very long period.
More info
    • 1 packet (15 seeds)

    • Despatch: By end of April 2014
    •  
    • £2.99

Achillea millefolium 'Cassis'

Yarrow

Many stems with masses of attractive, intense cherry red flowers, over a very long period. Achillea Cassis is a first year flowering perennial, making an excellent border filler and cut flower.
More info
    • 1 packet (70 seeds)

    • Despatch: By end of April 2014
    •  
    • £1.49

Achillea millefolium 'Summer Berries' F2 Hybrid

Yarrow

Masses of tiny flowers create flat plates of colour that balance on tall stems above the aromatic, feathery foliage. This low maintenance perennial provides an explosion of late summer colour to brighten the backs of herbaceous borders. Easy to grow, even on poor dry soils, Achillea millefolium ‘Summer Berries’ is ideal for wildlife gardens where it attracts butterflies and other insects. The vivid range of colours also makes yarrow a spectacular cut or dried flower. Height: 60cm (24"). Spread: 60cm (24").
More info
    • 1 packet (40 seeds)

    • Despatch: By end of April 2014
    •  
    • £2.69

Echinacea purpurea 'White Swan'

Coneflower

Strong honey fragranced flowers in 16 weeks, often with 14+ 10cm (4in) blooms out at once. Long lived for border, bedding or cutting. Height: 45-60cm (18-24in).
More info
    • 1 packet (50 seeds)

    • Despatch: By end of April 2014
    •  
    • £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: By end of April 2014
    •  
    • £2.99

Scabious 'Beaujolais Bonnets'

Scabiosa, Pincushion Flower

An attractive first year flowering perennial, producing bushy plants with clusters of wiry stems clothed in unusual rich burgundy flowers with contrasting paler outer petals and white stamens. Ideal for attracting butterflies to your borders or containers. Height: 50-60cm (20-24in).
More info
    • 1 packet (50 seeds)

    • Despatch: By end of April 2014
    •  
    • £2.99