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.


For beautiful summer flowers browse our range of annual plants.



We have found 18 products.
 

Gaillardia 'Arizona Sun' (Garden Ready)

  • The fast-track to a hassle-free garden - just plant, water and enjoy!
  • Quality plants delivered to your door, hardened off and ready to plant out
  • Fully-grown, super-robust, healthy plants
Our garden ready plants are selected for garden performance, straight from the nursery. We send them to you 'green' ahead of flowering (but please note some varieties may show a few blooms), which means plants will establish quickly and all their energy goes into producing better roots, so they produce more flowers throughout the season.

A blaze of summertime colour that thrives, whatever the weather! The glorious daisy flowers of Gaillardia 'Arizona Sun' produce a constant display of large flower heads in fiery shades of orange, yellow and red. The cheery blooms persist well into autumn, and make spectacular cut flowers for an indoor display. This low maintenance, hardy perennial is trouble-free and even copes well on poor, dry soils. Perfect for containers or filling gaps at the front of sunny borders. Height: 30cm (12"). Spread: 45cm (18").

 

Garden ready special offer
More info
    • 30 gaillardia garden ready plants

    • Despatch: By end of June 2016
    •  
    • £14.99

SunDiascia 'Eternal Flames'

Twinspur

 Customer Rating
  • T&M exclusive
  • Brand new hardy diascia
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 sundiascia jumbo plug plants

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 9 sundiascia jumbo plug plants

    • Despatch:
    • SAVE *£14.98  
    • £29.97 £14.99
    • Out of stock

Gaillardia 'Arizona Sun'

Blanket Flower

A blaze of summertime colour that thrives, whatever the weather! The glorious daisy flowers of Gaillardia 'Arizona Sun' produce a constant display of large flower heads in fiery shades of orange, yellow and red. The cheery blooms persist well into autumn, and make spectacular cut flowers for an indoor display. This low maintenance, hardy perennial is trouble-free and even copes well on poor, dry soils. Perfect for containers or filling gaps at the front of sunny borders. Height: 30cm (12"). Spread: 45cm (18").

 

Buy this variety in a larger plant size
More info
    • 24 gaillardia plug plants

    • Despatch: By end of September 2016
    •  
    • £12.99
    • 48 gaillardia plug plants

    • Despatch: By end of September 2016
    • SAVE *£7.99  
    • £25.98 £17.99

Gerbera 'Sweet Glow'

Barberton Daisy, Transvaal Daisy

  • T&M exclusive
  • Bigger and better winter hardy gerberas
  • Three seasons of stunning colour
Growing Gerberas outdoors was virtually inconceivable ten years ago. Now these 2nd generation hardy Gerberas can be grown year round in the border! Gerbera 'Sweet Glow' produces plenty of bright orange daisy blooms that are twice the size of other hardy Gerberas, and make fabulous cut flowers. Blooming reliably from June to October, these wonderful clump forming hardy perennials make a big impact in borders and patio containers. Height and spread: 45cm (18").
More info
    • 1 x 7cm potted gerbera plant

    • Despatch: By end of June 2016
    • SAVE £3  
    • £9.99 £6.99

Red Hot Poker 'Fire Dance' (Large Plant)

Kniphofia, Torch Lily

The Red Hot Poker is instantly recognisable. This reliable perennial is an old favourite for mixed herbaceous borders. Kniphofia 'Fire Dance' is a particularly useful selection, as it's extremely cold hardy. The scarlet and yellow blooms rise above dense clumps of evergreen foliage in summer.Plants also prove remarkably rabbit proof and these robust plants are loved by bees and butterflies too. Height: 50cm (20") Spread: 60cm (24").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted red hot poker plant

    • Despatch: By end of June 2016
    •  
    • £12.99
    • 2 x 1 litre potted red hot poker plants

    • Despatch: By end of June 2016
    •  
    • £19.99

Wallflower 'Winter Party'

Erysimum, Cheiranthus

The richly fragrant blooms of Wallflower 'Winter Party' create a tapestry of colour in shades of burnt orange and mauve. 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: 30cm (12").
More info
    • 6 wallflower jumbo plug plants

    • Despatch: By end of June 2016
    •  
    • £14.99
    • 12 wallflower jumbo plug plants

    • Despatch: By end of June 2016
    •  
    • £19.99

Trollius 'Dancing Flame'

Add some heat to your border this autumn with Trollius 'Dancing Flame'. This Globeflower has everything you'd want from a border perennial; contained vigour, long flowering habit, care-free attitude, and years of garden performance! The glorious orange blooms just keep on coming right though early summer for 8 weeks of vibrant colour. This hardy herbaceous perennial thrives in moist soils but will cope with drought conditions once established. Height: 60cm (24"). Spread: 50cm (20"). More info
    • 1 x 9cm potted trollius plant

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 9cm potted trollius plants

    • Despatch:
    •  
    • £16.99
    • Out of stock

Iris 'Orange Harvest' (Re-Blooming)

Vibrant orange blooms with a delicate fragrance make Iris 'Orange Harvest' a worthy addition summer borders. With the first flowers appearing in late spring and continuing into summer, these really are outstanding hardy perennials. These majestic bearded iris flowers also make impressive cut flowers for a vase indoors. Height: 90cm (36"). Spread: 40cm (16"). More info
    • 1 Iris rhizome

    • Despatch: By end of September 2016
    •  
    • £8.99

Euphorbia polychroma 'Bonfire' (Large Plant)

Euphorbia epithymoides, Milkweed, Spurge

An effervescent little Euphorbia for the garden border. The short, compact plants has amazing evergreen foliage, which turns green and burgundy in the summer, then deeps to bright red by autumn.The spring flowers are sulphur yellow, and create a striking contrast.

Euphorbia are easy to grow in most sites and soils, and the plants of Euphorbia 'Fireglow' appear to glow! Excellent for the front of the border, rockeries or pots. Height: 25cm (10"). Spread 45cm (18").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted euphorbia plant

    • Despatch: By end of June 2016
    •  
    • £10.99
    • 2 x 2 litre potted euphorbia plants

    • Despatch: By end of June 2016
    •  
    • £19.99

Geum 'Fireball' (Large Plant)

Avens

Ruffled, semi double flowers with gently scalloped edges make an eye catching display from May to July. Geum 'Fireball' is longer flowering than older cultivars and equally well loved by pollinating insects. This compact little Avens forms a neat clump of foliage that sits nicely at the front of borders. An easy to grow and undemanding hardy perennial, that also makes a nice cut flower. Height and spread: 45cm (18").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted geum plant

    • Despatch: By end of June 2016
    •  
    • £12.99
    • 2 x 2 litre potted geum plants

    • Despatch: By end of June 2016
    •  
    • £19.99

Gaillardia aristata 'Arizona Sun' (Large Plant)

Blanket Flower

A blaze of summertime colour that thrives, whatever the weather! The glorious daisy flowers of Gaillardia 'Arizona Sun' produce a constant display of large flower heads in fiery shades of orange, yellow and red. The cheery blooms persist well into autumn, and make spectacular cut flowers for an indoor display. This low maintenance, hardy perennial is trouble-free and even copes well on poor, dry soils. Perfect for containers or filling gaps at the front of sunny borders. Height: 30cm (12"). Spread: 45cm (18").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted gaillardia plant

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 1 x 3 litre potted gaillardia plant

    • Despatch: By end of July 2016
    •  
    • £12.99
    • 2 x 1 litre potted gaillardia plants

    • Despatch:
    •  
    • £14.99
    • Out of stock
    • 2 x 3 litre potted gaillardia plants

    • Despatch: By end of July 2016
    •  
    • £19.99

Wallflower 'Winter Sorbet'

Erysimum, Cheiranthus

Wallflower 'Winter Sorbet' is a striking fragrant variety with amazing lilac purple blooms that transform to shades of burnt orange in a patchwork of colour 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 June 2016
    •  
    • £14.99