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, perennial plants live for 2 or more years and flower every year. Biennial plants live for up to 2 years, flowering profusely in their second year before setting seed and dying. Both 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.


For beautiful summer flowers browse our range of annual plants.



We have found 15 products.
 

Buddleja 'Flower Power'

Buddleja x weyeriana 'Bicolor', Buddleia, Butterfly Bush

 Customer Rating
  • Best shrub for summer colour
Magical blooms transform from deepest violet to rich butterscotch yellow for an enchanting kaleidoscope of colour. The fragrant flowers of Buddleja 'Flower Power' are certain to attract butterflies and other beneficial insects to your garden. This colourful, low maintenance butterfly bush has a neat compact habit – just perfect for small gardens.Height and spread: 200cm (79").
More info
    • 1 buddleja jumbo plug plant

    • Despatch:
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    • £12.99
    • Out of stock
    • 3 buddleja jumbo plug plants

    • Despatch:
    • Treble up 1 to 3 plugs for 1p extra  
    • £13.00
    • Out of stock

Agastache 'Summer Glow' (Large Plant)

Giant Hyssop

This fantastic perennial is one of the best slug-proof plants for your garden. Slugs and snails dislike the felted, minty-fragranced foliage, so plants are left completely untouched.

Agastache are compact, evergreen plants, with colour-changing flowers, which are loved by bees and butterflies. Agastache plants are also very drought tolerant, and are can be grown in the border or patio pots. Height: 60cm (24"). Spread: 45cm (18").


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

More info
    • 1 x 1 litre potted agastache plant

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 2 x 1 litre potted agastache plants

    • Despatch: By end of August 2015
    •  
    • £16.99

Wallflower 'Sweet Sorbet'

Erysimum, Cheiranthus

Wallflower 'Sweet Sorbet' is a striking fragrant variety with amazing streaked flowers that gradually transform from lilac purple to orange as the blooms mature. This evergreen erysimum hybrid has a neat, compact habit making it perfect for beds, borders and containers. 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: 50cm (20"). More info
    • 4 wallflower jumbo plug plants

    • Despatch: By end of August 2015
    •  
    • £14.99

Helianthemum 'Peachy Keen'

Rock Rose, Sun Rose

  • New in 2015
  • T&M Exclusive

Giving you a glorious display of colour from spring to midsummer, these Rock Roses are both versatile and trouble free. Our new peach flowered variety, Helianthemum ‘Peachy Keen', has an overwhelming abundance of petals, which further boosts the display in your garden. This tough, hardy and drought resistant alpine, will produce a second flush of flowers in late summer, if pruned after the first blooming. ‘Peachy Keen' can be used as groundcover or an addition to a rockery, either way, it will be also loved by bees and other insects. . Height: 20cm (8"). Spread: 30cm (12"). Evergreen/semi-evergreen.

More info
    • 5 helianthemum jumbo plug plants

    • Despatch: By end of September 2015
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    • £14.99
    • 10 helianthemum jumbo plug plants

    • Despatch: By end of September 2015
    •  
    • £19.99

Geum 'Mai Tai'

Avens

A compact Geum with beautiful, ruffled apricot-orange blooms emerging from contrasting burgundy buds. From early summer through until early autumn this variety produces a profusion of pretty blooms on wiry stems, which are ideal for cutting and adding to posies or vases indoors. An easy and reliable perennial to grow, plant Geum 'Mai Tai' at the front of borders for an abundance of warm colour throughout summer. Height: 45cm (18"). Spread: 40cm (16"). More info
    • 1 bare root geum plant

    • Despatch: By end of November 2015
    •  
    • £10.99

Hellebore 'Double Apricot Thin Picotee' (Large Plant)

Helleborus

Beautiful creamy apricot petals with delicate cerise margins form fabulous double blooms that shine out from winter borders. Hellebore ‘Double Apricot Thin Picotee’ is the essential low maintenance plant for any difficult, shady border where they will form clumps of leathery evergreen foliage for a year round garden presence. These resilient hardy perennials are vigorous and long lived, lasting for 20 years or more. Height and spread: 45cm (18"). More info
    • 1 x 3 litre potted hellebore plant

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 3 litre potted hellebore plants

    • Despatch:
    •  
    • £14.99
    • Out of stock

Hellebore 'Single Apricot' (Large Plant)

Helleborus

Unusual apricot, cup shaped blooms create a warm glow in dull winter borders. Hellebore ‘Single Apricot’ is the essential low maintenance plant for any difficult, shady border where they will form clumps of leathery evergreen foliage for a year round garden presence. These resilient hardy perennials are vigorous and long lived, lasting for 20 years or more. Height and spread: 45cm (18"). More info
    • 1 x 3 litre potted hellebore plant

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 3 litre potted hellebore plants

    • Despatch:
    •  
    • £14.99
    • Out of stock

Foxglove 'Illumination Raspberry'

Digitalis

The next colour in our Foxglove 'Illumination' range and this one is simply stunning! This beautiful Digitalis produces spires of open-mouthed blooms in a juicy shade of raspberry pink with contrasting apricot lips. Parentage from the little-known Isoplexis (Canary Island Foxglove) gives these exciting new Digitalis their fabulous tropical colouring. Being completely sterile, this stunning Foxglove won't set seed, making it incredibly long flowering. Unlike most foxgloves which are generally biennial, this hardy semi-evergreen variety is a true perennial so you can enjoy it year after year. Height: 90cm (36"). Spread: 45cm (18"). More info
    • 1 x 9cm potted foxglove plant

    • Despatch: By end of February 2016
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    • £9.99
    • 3 x 9cm potted foxglove plants

    • Despatch: By end of February 2016
    •  
    • £19.98

Geranium 'Blushing Sophie'

Pelargonium, Zonal Geranium, Zonal Pelargonium

This pretty zonal geranium produces gorgeous, double pink blooms with a sweet apricot blush, on compact plants throughout summer. Geranium 'Blushing Sophie' has a lovely old fashioned appearance but is perfect for the modern patio, fitting neatly into beds, borders, window boxes and patio containers. Height: 40cm (16"). Spread: 35cm (14").
Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.
More info
    • 5 geranium jumbo plug plants

    • Despatch: By end of March 2016
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    • £13.99
    • 10 geranium jumbo plug plants

    • Despatch: By end of March 2016
    • SAVE £8.99  
    • £27.98 £18.99

Foxglove 'Illumination Pink'

Digitalis

 Customer Rating
  • Winner of Plant of the Year 2012 - RHS Chelsea Flower Show, Best new product at the Anglian Business Awards, Best new product at the Garden Retail awards
  • T&M's own breeding

Thought to be an impossible hybridisation, this is the most spectacular foxglove you will have ever seen! Parentage from the little-known Isoplexis (Canary Island Foxglove) gives this exciting new Digitalis its fabulous tropical colouring. Being completely sterile Foxglove ‘Illumination’ won’t set seed, giving it an incredibly long flowering period. Unlike most foxgloves which are generally biennial, this half-hardy semi-evergreen is a true perennial so you will be able to enjoy its flowers for years to come. The exotic looking blooms are densely packed on sturdy stems, with many side branches, making a striking addition to summer borders. Height: 90cm (36"). Spread: 45cm (18").

Useful links:

'Impossible' Foxglove named Plant of the Year at RHS Chelsea Flower Show
Gardening news: Top 10 best-selling plants of 2012
Read Michael Perry's blog: Futuristic Foxgloves

More info
    • 1 x 9cm potted foxglove plant

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 3 x 9cm potted foxglove plants

    • Despatch:
    • SAVE £4.99  
    • £19.98 £14.99
    • Out of stock

Foxglove 'Dalmatian Peach'

Digitalis purpurea

 Customer Rating
Exquisite peachy trumpets crowd the sturdy, upright stems of Foxglove 'Dalmatian Peach'. The unusual colour makes this statuesque foxglove particularly eye-catching in cottage gardens and woodland borders. Let this short lived perennial seed about to create dramatic drifts and attract wildlife to its nectar rich flowers. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 6 foxglove plug plants

    • Despatch:
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    • £5.99
    • Out of stock
    • 12 foxglove plug plants

    • Despatch:
    •  
    • £8.99
    • Out of stock

Gaillardia 'Arizona Apricot'

Blanket Flower

 Customer Rating
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 gaillardia plug plants

    • Despatch:
    •  
    • £5.99
    • Out of stock
    • 12 gaillardia plug plants

    • Despatch:
    •  
    • £8.99
    • Out of stock