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 131 products.
 

Hellebore 'Washfield Doubles'

Helleborus x hybridus

 Customer Rating

Breathtaking, double-flowered hellebores from the 'Washfield' collection that are bred to perfection. Intriguing colours, patterns, flecks and ruffles are a sheer delight during the cold months of winter and early spring, while their leathery palmate foliage has an evergreen presence all year round. These delightful doubles come in a wide colour range including yellows, greens, blacks, reds, apricots and many other shades. Height and spread: 40cm (16").

More info
    • 5 x 7cm potted hellebore plants

    • Despatch: By end of November 2016
    •  
    • £13.99
    • 10 x 7cm potted hellebore plants

    • Despatch: By end of November 2016
    •  
    • £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: By end of June 2016
    •  
    • £14.99
    • 2 x 9cm potted foxglove plants

    • Despatch: By end of June 2016
    • SAVE *£9.99  
    • £29.98 £19.99

Foxglove 'Illumination Collection'

Digitalis

Parentage from the little-known Isoplexis (Canary Island Foxglove) gives these exciting new Digitalis their fabulous tropical colouring. Being completely sterile Foxglove 'Illumination Duo' won't set seed, making them incredibly long flowering. Unlike most foxgloves which are generally biennial, these hardy semi-evergreen varieties are true perennials so you can enjoy them year after year. 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").

  • Collection comprises:
  • click here - Awarded 'Best New Plant' at the Chelsea Flower Show 2012.
  • click here - This beautiful Digitalis produces spires of open-mouthed blooms in a juicy shade of raspberry pink with contrasting apricot lips.
More info
    • 2 x 9cm potted foxglove plants - 1 of each colour

    • Despatch: By end of June 2016
    • SAVE *£9.99  
    • £29.98 £19.99

Foxglove 'Illumination Ruby Slippers'

Digitalis x valinii

  • New colour break
  • Multi-flowering Foxgloves
  • Prennial habit

The Digitalis Illumination Series, from our very own breeding programme, has changed the world of Foxgloves; taking them from a wiry, brief-blooming biennial wildflower to a handsome, tidy yet shrubby perennial with true garden performance.

Following several outstanding colour developments, our breeding team has done it again with the creation of a brand new colour break. Digitalis 'Illumination Ruby Slippers' is the latest addition to our award winning series. This beautiful foxglove produces multiple spires of open-mouthed blooms on short stocky plants that are just as at home in a patio pot as a cottage garden border scheme. Being completely sterile, this stunning Foxglove won't set seed, making it incredibly long flowering. As the main flower spike fades, multiple sideshoots spring up to offer five months of vivid floral colour. Parentage from the little-known Isoplexis (Canary Island Foxglove) gives this exciting new Digitalis its fabulous colouring and perennial habit. Height: 90cm (36"). Spread: 45cm (18")

More info
    • 1 x 9cm potted foxglove plant

    • Despatch: By end of June 2016
    •  
    • £14.99
    • 2 x 9cm potted foxglove plants

    • Despatch: By end of June 2016
    • SAVE *£9.99  
    • £29.98 £19.99

Foxglove 'Dalmation Mixed'

Digitalis purpurea

Digitalis 'Dalmatian Mixed' looks magnificent in cottage gardens and woodland borders - but thanks to their uniform branching habit, these statuesque foxgloves make fabulous annual bedding too! These short lived perennials will happily seed about to create dramatic drifts and attract wildlife to their nectar rich flowers. Height: 50cm (20"). Spread: 40cm (16").

Useful links:

Gardening news: Move over marigolds... new bedding plants fly in the face of tradition

More info
    • 6 foxglove plug plants

    • Despatch: By end of June 2016
    •  
    • £5.99
    • 24 foxglove plug plants

    • Despatch:
    •  
    • £13.99
    • Out of stock
    • 48 foxglove plug plants

    • Despatch:
    •  
    • £19.99
    • Out of stock

Brunnera 'Alexander's Great'

Brunnera macrophylla

A statement large-leaved foliage plant for borders and large containers. This hardy perennial returns bigger and better each spring producing neat clumps of heavily silver-veined leaves for dramatic effect in the garden. Use Brunnera 'Alexander's Great' as an underplanting to trees and shrubs or add in with your favourite border perennials for a winning mixed display. Sprays of airy sky-blue flowers on wirey stems also appear in spring to create extra seasonal interest. This low maintenance perennial plant thrives in shade but will happily perform in sunny locations too. Use Brunnera 'Alexander's Great' in containers on the patio to add contrast to your favourite seasonal bedding plants. Height: 40cm (16"). Spread: 90cm (36"). More info
    • 2 brunnera jumbo plug plants

    • Despatch: By end of September 2016
    •  
    • £14.99
    • 4 brunnera jumbo plug plants

    • Despatch: By end of September 2016
    •  
    • £24.99

Meconopsis grandis 'Lingholm'

Himalayan Blue Poppy

 Customer Rating
A perennial wow factor for a difficult, damp shady corner. I just love the indescribable blue colour of Meconopsis blooms; once seen, never forgotten! This specially selected strain acts as a perennial too, lasting in the garden for many years. Height: 75cm (30"). Spread: 50cm (20").
More info
    • 2 meconopsis jumbo plug plants

    • Despatch: By end of June 2016
    •  
    • £12.99
    • 4 meconopsis jumbo plug plants

    • Despatch: By end of June 2016
    •  
    • £17.99

Giant Fragrant Cowslip

Primula florindae, Tibetan Cowslip

Stiff stems carry whorls of sulphur yellow, tubular, flowers with a delicate, sweet fragrance. Once established, Giant Cowslips will naturalise to form swathes of lush, mid green foliage that makes ideal groundcover for natural planting schemes. With an RHS AGM, Primula florindae makes a superb choice for a damp, shady corner where other plants won't grow. Height: 90cm (35"). Spread: 50cm (20").,

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

More info
    • 3 fragrant cowslip jumbo plug plants

    • Despatch: By end of July 2016
    •  
    • £12.99
    • 6 fragrant cowslip jumbo plug plants

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

Foxglove 'Sugar Plum'

Digitalis

A reworking of a cottage garden classic. Foxglove 'Sugar Plum' is an improved form of old-time favourite 'Pam's Choice'. Careful selection work has led to foxglove plants with a stronger border habit and impressive flower spikes. Each bloom now carries deeper speckling and all sit closer together on the stem for a fuller display. This half-hardy foxglove makes an eye-catching addition to mixed borders and formal woodland planting schemes. Height: 120cm (48"). Spread: 45cm (18").

More info
    • 24 foxglove plug plants

    • Despatch: By end of July 2016
    •  
    • £13.99
    • 48 foxglove plug plants

    • Despatch: By end of July 2016
    • SAVE *£7.99  
    • £27.98 £19.99

Gentiana scabra 'Royal Stripes'

  • Unique striped blooms
You'll be familiar with blue flowering gentian plants and you've likely seen white flowered forms, but you'll be blown away by the blue and white striped flowers of Gentiana 'Royal Stripes'. This rare new variety really brings a wow factor to the genus. Look closer at the impressive blooms and you'll also see vibrant green freckling standing out on a white canvas. Whether you use these compact herbaceous perennial plants in patio pots, borders or rockery displays, the carpet of colour is sure to attract attention from friends and family as well as bees and other pollinators. In return of a little deadheading, flowers will just keep on coming from early June through to October. Ideal for dappled shade, try Gentiana 'Royal Stripes' under trees and shrubs for a vibrant lift to your beds and borders. Height and spread: 25cm (10")
More info
    • 1 x 10.5cm potted gentiana plant

    • Despatch: By end of June 2016
    •  
    • £14.99
    • 2 x 10.5cm potted gentiana plants

    • Despatch: By end of June 2016
    • SAVE *£4.99  
    • £29.98 £24.99

Monarda didyma 'Cranberry Lace' (Large Plant)

Bergamot

Bergamot are unusual-looking perennials that have aromatic foliage and whorls of spidery blooms made up of tubular petals. Monarda 'Cranberry Lace' is a compact, short Bergamot with bright pink, and a built-in resistance to powdery mildew problems.

Bergamot is perfect for cottage garden borders where it can quickly form dense, easy to grow clumps. Bergamot flowers are great for the wildlife garden, as they are loved by bees. Height: 90 cm (36"). Spread: 45cm (18").


Culinary note: Use the dried leaves to make Bergamot tea or use the sweet, spicy flavoured petals to enhance salads, jellies, rice or pasta dishes. For more details about edible flowers click here.

 

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

    • Despatch: By end of July 2016
    •  
    • £9.99
    • 2 x 1 litre potted monarda plants

    • Despatch: By end of July 2016
    •  
    • £16.99

Anemone hybrida 'Queen Charlotte'

Japanese Anemone, Anemone x hybrida 'Konigin Charlotte'

It's easy to overlook the late show in your garden, as you scramble to fill it with summer colour. But, these superb Japanese anemones will take the blooming relay torch from summer bedding and carry it well into the autumn. Anemone 'Queen Charlotte' is the pick of the bunch, with an extra layer of pure pink petals. Height: 90cm (35"). Spread: 60cm (24").

More info
    • 1 anemone jumbo plug plant

    • Despatch: By end of June 2016
    •  
    • £9.99
    • 3 anemone jumbo plug plants

    • Despatch: By end of June 2016
    • SAVE *£9.98  
    • £29.96 £19.99