Thompson & Morgan

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Perennial & Biennial Plants


In this range you'll find an impressive selection of perennial plants and biennial plants, which are perfect for beginners and experienced gardeners alike. Also known as herbaceous plants, perennials live for 2 or more years and flower every year. Biennial plants are great for beds and spring displays and there are many delightful plants to choose from. Use the selections in the left menu to select the right plants for your garden.

We have found 17 products.
 
Wallflower 'Most Scented' Mix

Wallflower 'Most Scented' Mix

Erysimum, Cheiranthus

  Customer Rating
  • The most scented wallflower
Don't overlook wallflowers! This popular cottage garden favourite is currently enjoying a revival. Wallflower ‘Most Scented Mix’ is a wonderful blend of specially selected Erysimum, chosen for their fabulous fragrance. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height and spread: 30cm (12"). More info
    • 36 plugs

    • Despatch: By end of August 2013
    •  
    • £9.99
    • 72 plugs

    • Despatch: By end of August 2013
    • SAVE £4.99  
    • £19.98 £14.99
Geranium 'Custard Cream'

Geranium 'Custard Cream'

Pelargonium, Zonal Geranium, Zonal Pelargonium
  • NEW in 2013
  • World Exclusive
  • The world's first true yellow geranium
For many years the elusive yellow geranium has been the holy grail of the plant world. There are plenty of dark cream varieties but few have captured that true yellow colour. Pelargonium enthusiasts will love Geranium ‘Custard Cream’ for its buttery yellow blooms and fabulous vigour. Created by the world's leading geranium breeder, this superb zonal pelargonium deserves a prominent place in your patio containers and borders this summer. Height: 30cm (12"). Spread: 25cm (10"). More info
    • 5 jumbo plugs

    • Despatch: By end of April 2014
    •  
    • £9.99
    • 10 jumbo plugs

    • Despatch: By end of April 2014
    • SAVE £2.99  
    • £19.98 £16.99
Geranium Colour Carnival F2 Hybrid Mixture

Geranium 'Colour Carnival' F2 Hybrid (Mixed)

 Customer Rating
  • Classic geranium mix

Stock up your borders with these bright geraniums in a vibrant rainbow of colours. Geranium ‘Colour Carnival’ is a bright mix of compact, single flowered plants that, with a little deadheading, will bloom all summer long. Perfect for patio pots, bedding and borders. Height: 30cm (12”). Spread: 25cm (10”).

 More info
    • 6 plugs

    • Despatch: By end of June 2013
    •  
    • £5.99
    • 36 plugs

    • Despatch: By end of May 2013
    •  
    • £9.99
    • 72 plugs

    • Despatch: By end of June 2013
    • Double up 36 to 72 for £5 extra  
    • £19.98 £14.99
Diascia 'Eternal Flames'

SunDiascia 'Eternal Flames'

Twinspur
  • Brand new hardy diascia
  • Mail Order Exclusive
This lovely South African plant produces slender spires, packed with pretty tubular blooms, over a remarkably long flowering period. Diascia ‘Eternal Flames’ will fill borders, beds and containers with vibrant shades of orange and pink from June to October. Although Twinspur is generally grown as an annual, it is actually perennial and hardy to -8C (18F), so it can be easily overwintered with some protection from winter weather. Height and spread: 30cm (12"). More info
    • 3 Postiplugs

    • Despatch: By end of April 2014
    •  
    • £9.99
    • 9 Postiplugs

    • Despatch: By end of April 2014
    • SAVE £14.98  
    • £29.97 £14.99
Pinks 'Endless Love Mixed'

Dianthus 'Endless Love Mixed'

Pink
If you're looking for a reliable, frost resistant perennial with a beautiful sweet fragrance, then look no further! Dianthus ‘Endless Love’ produces masses of large, filigree-style flowers in a pretty colour range, with the characteristic perfume that you would expect from scented pinks. Perfect for edging, low patio pots and mixed borders, these superb dianthus flowers make long lasting, romantic flower arrangements. Height and spread: 30cm (12”).

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



Read Michael Perry's blog: Make a change to your plant choices - 2

 More info
    • 9 Postiplugs - 3 of each variety

    • Despatch: By end of June 2013
    • SAVE £6.99  
    • £20.97 £13.98
    • 18 Postiplugs - 6 of each variety

    • Despatch: By end of June 2013
    • SAVE £21.95  
    • £41.94 £19.99
Geranium 'Swizzle Stick'

Geranium 'Swizzle Stick'

Pelargonium, Zonal Geranium, Zonal Pelargonium
  • NEW in 2013
  • Mail Order Exclusive
Add some colour to your garden with this fuss-free zonal Pelargonium. Clusters of beautiful white flowers with a vivid-red, central splash are produced in abundance over a long flowering period. With its bushy foliage and unusual flower colours, Geranium ‘Swizzle Stick’ makes a fabulous choice for your patio containers. Height: 30cm (12"). Spread: 25cm (10"). More info
    • 3 jumbo plugs

    • Despatch: By end of April 2014
    •  
    • £9.99
    • 9 jumbo plugs

    • Despatch: By end of April 2014
    • HALF PRICE  
    • £29.97 £14.99
Lobelia valida 'Delft Blue'

Lobelia valida 'Delft Blue'

  • Summer border lobelia - flowers first season
This rare South African perennial lobelia sets brilliant azure-blue blooms in large, tight clusters over a very long season. Once established, these well branched, compact, half hardy perennials will thrive in wet or dry conditions with surprising versatility. Lobelia ‘Delft Blue’ is an easy plant for sheltered borders and patio containers, deserving a prime position in every garden where its rich blue colour is prized.Height and spread: 30cm (12”). More info
    • 24 plugs

    • Despatch: By end of May 2013
    •  
    • £9.99
    • 48 plugs

    • Despatch: By end of May 2013
    • Double up 24 to 48 for £5 extra  
    • £19.98 £14.99
Aquilegia 'Swan Mixed'

Aquilegia 'Swan Mixed'

Columbine, Granny's Bonnet

 A lovely mix of colourful columbines, producing an abundance of large flowers on upright, multi-branched stems. Aquilegia ‘Swan Mixed’ are longer flowering than many aquilegias, and left to naturalise, they will quickly fill your garden with drifts of spring colour. Perfect for cottage gardens, perennial borders and woodland gardens. Height: 30cm (12”). Spread: 25cm (10”). More info
    • 6 plugs

    • Despatch: By end of May 2013
    •  
    • £5.99
    • 12 plugs

    • Despatch: By end of May 2013
    •  
    • £7.99
Geranium 'Regalia Mixed'

Geranium 'Regalia Mixed'

Pelargonium, Regal Geranium, Regal Pelargonium
  • NEW in 2013
Regal Pelargoniums are fantastically showy and some of the first to flower each year. The Regalia Series is specifically bred for its long outdoor flowering period, so you can enjoy their flamboyant, vibrant colours all summer. Geranium 'Regalia Mixed' comprises 3 fabulous colours - ‘Mid Salmon', 'Lavender' and 'Dark Red'. Perfect for filling patio containers! Height and spread: 30cm (12"). More info
    • 3 jumbo plugs - 1 of each variety

    • Despatch: By end of May 2013
    •  
    • £9.99
    • 6 jumbo plugs - 2 of each variety

    • Despatch: By end of June 2013
    • SAVE £4.99  
    • £19.98 £14.99
Gaillardia 'Arizona Apricot'

Gaillardia 'Arizona Apricot'

Blanket Flower

 A spectacular dwarf Blanket Flower with a long-flowering period and superb garden performance. The golden blooms blushed with apricot sit neatly above uniform, well-branched plants throughout summer and well into autumn. Gaillardia x grandiflora 'Arizona Apricot' is undemanding, providing fabulous colour whatever the weather. Perfect for containers or filling gaps in the front of borders. Height: 30cm (12”). Spread: 45cm (18”). More info
    • 6 plugs

    • Despatch: By end of August 2013
    •  
    • £5.99
    • 12 plugs

    • Despatch: By end of August 2013
    •  
    • £8.99
Wallflower Sugar Rush

Wallflower 'Sugar Rush'

Erysimum, Cheiranthus
  • NEW in 2013
  • 'Best New Bedding Plant' at the Grower of the Year Awards
  • Autumn and spring flowering
  • Super-vigorous
Winner in the 'Best New Bedding Plant' category at the Grower of the Year Awards 2013, this is one of the most exciting wallflowers to emerge in recent years. Dense, fragrant flower spikes in shades of cream, yellow, red and purple appear not only in the spring, but throughout the autumn too, blooming in just 6 weeks from an August planting! With a delightful sweet fragrance and compact, multi-branching habit, Wallflower 'Sugar Rush' is perfect for beds, borders, containers and window boxes, creating a mass of colour and scent when much of the garden is dormant. Versatile and undemanding, wallflowers are tough enough to cope in even the poorest soils. Height and spread: 30cm (12"). More info
    • 36 plugs

    • Despatch: By end of August 2013
    •  
    • £10.99
    • 72 plugs

    • Despatch: By end of August 2013
    • SAVE £5.99  
    • £21.98 £15.99
Pinks 'Endless Love Lavender Eye'

Dianthus 'Endless Love Lavender Eye'

Pink
If you're looking for a reliable, frost resistant perennial with a beautiful sweet fragrance, then look no further! Dianthus ‘Endless Love Lavender Eye’ produces masses of large, lavender pink, filigree-style flowers with a maroon red centre and the characteristic perfume that you would expect from scented pinks. Perfect for edging, low patio pots and mixed borders, these superb dianthus flowers make long lasting, romantic flower arrangements. Height and spread: 30cm (12”).

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

Read Michael Perry's blog: Make a change to your plant choices - 2

 More info
    • 3 Postiplugs

    • Despatch: By end of June 2013
    •  
    • £6.99