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 13 products.
 

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 September 2015
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    • £9.99
    • 2 x 1 litre potted agastache plants

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

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

    • Despatch:
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    • £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:
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    • £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:
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    • £8.99
    • Out of stock

Geranium 'Jackpot Coral' F1 Hybrid

Pelargonium, Zonal Geranium, Zonal Pelargonium

  • New in 2015
  • Stunning blooms will last all summer
These weather tolerant, F1 hybrid pelargoniums have more than enough vigour to ensure a spectacular, free flowering display throughout summer. Geranium 'Jackpot Coral' produce masses of colourful single blooms on neat compact plants. Perfect for filling beds, borders 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
    • 36 geranium plug plants

    • Despatch:
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    • £8.99
    • Out of stock

Foxglove 'Dalmatian Peach' (Large Plant)

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 x 1 litre potted foxglove plant

    • Despatch:
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    • £9.99
    • Out of stock
    • 2 x 1 litre potted foxglove plants

    • Despatch:
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    • £16.99
    • Out of stock

Geum 'Cosmopolitan' (Cocktails series) (Large Plant)

Avens

This new variety of Avens is particularly pretty with semi double, ruffles of petals in a blend of rose-pink and creamy-apricot. Geum 'Cosmopolitan' forms a neat clump of semi evergreen foliage that is well proportioned for the front of sunny borders. Flowering from late spring into summer, the nectar rich blooms of this hardy perennial are loved by pollinators and make delightful cut flowers too. Height: 60cm (24"). Spread: 45cm (18"). More info
    • 1 x 2 litre potted geum plant

    • Despatch:
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    • £12.99
    • Out of stock
    • 2 x 2 litre potted geum plants

    • Despatch:
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    • £19.99
    • Out of stock

Achillea 'Terracotta' (Large Plant)

Yarrow

Achillea ‘Terracotta’ is tough and reliable on light sandy soils and even thrives in tricky coastal conditions. From June to August the aromatic, ferny foliage is topped with flat, terracotta flower heads that gently mature to a biscuit-yellow colour. A fabulous plant for prairie style borders when planted in large swathes among swaying grasses. This hardy perennial is ideal for planting in sunny cottage garden borders and wildlife gardens where it will attract pollinating insects to its nectar rich flowers. Yarrow also makes a lovely cut flower either fresh or dried. Height: 80cm (32"). Spread: 60cm (24"). More info
    • 1 x 1 litre potted achillea plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 2 x 1 litre potted achillea plants

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