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.



We have found 105 products.
 

Perennial 'Best Value' Collection

 Customer Rating

Fill your beds and borders with this bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").

  • Collection includes;

  • Lavender 'Munstead' - This neat, compact variety of English lavender bears masses of dark purple-blue flower spikes. Height: 45cm (18"). Spread: 60cm (24").
  • Digitalis 'Dalmation Mixed' - Well branched, compact, dwarf plants. Height: 50cm (20"). Spread: 40cm (16").
  • Echinacea 'Primadonna' - Beautiful pink daisy flowers with petals that radiate outwards instead of downwards. Height: 85cm (33"). Spread: 45cm (18").
  • Coreopsis 'Presto' - Neat, compact plants are smothered in golden-yellow, semi-double flowers all summer long. Height and spread: 45cm (18").
  • Verbena Bonariensis - Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. Height: 200cm (78"). Spread: 45cm (18").
  • Scabiosa 'Blue Jeans' - Blue pincushion flowers attract bees and butterflies throughout summer. Height and spread: 45cm (18").
  • Aquilegia 'Swan' Mixed - An abundance of large flowers on upright, multi-branched stems Height: 30cm (12"). Spread: 25cm (10").
  • Geum 'Blazing Sunset' - Fully double, large scarlet blooms are borne over a long period in summer. Height and spread: 60cm (24").
  • Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting. Height and spread: 30cm (12").
  • Armeria 'Mixed' - Long flowering plants with unusual ball shaped flower heads on thin wiry stems. Height: 50cm (20"). Spread: 30cm (12").
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Leucanthemum x superbum 'White Knight' - Pure white single flowers are produced in constant supply throughout summer.
More info
    • 72 plug plants - 6 of each variety

    • Despatch: By end of June 2015
    • SAVE £49.89  
    • £59.88 £9.99

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?).
More info
    • 3 jumbo plug plants

    • Despatch: By end of June 2015
    •  
    • £12.99
    • 6 jumbo plug plants

    • Despatch: By end of June 2015
    •  
    • £17.99

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 jumbo plug plants

    • Despatch: By end of May 2015
    •  
    • £13.99
    • 10 jumbo plug plants

    • Despatch: By end of May 2015
    •  
    • £18.99

Iris 'Re-Blooming Collection'

Bearded Iris

 Customer Rating

A beautiful selection of hardy, drought tolerant bearded iris with exceptional disease and insect resistance. With the first flowers appearing in spring, and a second flush in autumn, these really are outstanding hardy perennials; perfect for summer borders. These majestic, tall bearded iris flowers have a delicate scent and make impressive cut flowers for a vase indoors. Height: 90cm (36"). Spread: 30cm (12").


  • Collection comprises:
  • Iris 'Orange Harvest' - Rust orange flowers.
  • Iris 'Victoria Falls' - Light blue iris flowers.
  • Iris 'Cantina' - Violet blooms.
  • Iris 'Buckwheat' - Golden yellow petals.
  • Iris 'Pass the Wine' - Wine red flowers.
More info
    • 5 rhizomes (1 of each variety)

    • Despatch: By end of January 2016
    • SAVE £28.96  
    • £44.95 £15.99
    • 10 rhizomes (2 of each variety)

    • Despatch: By end of January 2016
    • SAVE £69.91  
    • £89.90 £19.99

Pansy 'Matrix™ Mixed'

Viola x wittrockiana

 Customer Rating
  • Best In Class for winter pansy - click here for details
  • Colour throughout winter and spring
  • 100% bigger, better and stronger than Pansy 'Universal'

This vibrant blend has been specially bred for their excellent branching habit and super size flowers; and the results speak for themselves! The compact sturdy stems hold their vibrant flower heads high, whatever the weather brings to ensure your garden is filled with colour. Easy to grow, Pansy 'Matrix Mixed' is the perfect plant for all your containers and bedding displays. Height and spread: 23cm (9").


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

More info
    • 36 plug plants

    • Despatch: By end of August 2015
    • + FREE £5 voucher  
    • £6.99
    • 72 plug plants

    • Despatch: By end of August 2015
    • SAVE £3.99 + FREE £5 voucher  
    • £13.98 £9.99

Primrose 'Belarina Doubles Collection'

Primula

Say ‘goodbye’ to the winter blues with these little beauties! Primrose ‘Belarina Doubles Collection’ will cheer up your garden from spring through to early summer with their vibrant colour, delicate fragrance and evergreen rosettes of foliage. With exceptional hardiness, down to -25C (13F), these incredible perennials will come back year after year, no matter how cold the winter is! Like miniature roses, these double-flowered primroses look fabulous wherever you plant them, in pots, containers, beds or baskets, in sun or semi shade - and unlike other primroses they won’t need dead-heading! In this collection you will receive the following varieties: 'Nectarine', 'Amethyst Ice' and 'Pink Ice' Height: 15cm (6"). Spread: 20cm (8"). More info
    • 3 jumbo plug plants

    • Despatch: By end of August 2015
    •  
    • £12.99
    • 6 jumbo plug plants

    • Despatch: By end of August 2015
    • SAVE £8.99  
    • £25.98 £16.99
    • 9 jumbo plug plants

    • Despatch: By end of August 2015
    • SAVE £18.98  
    • £38.97 £19.99

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 May 2015
    • SAVE £2  
    • £9.99 £7.99
    • 3 x 9cm potted foxglove plants

    • Despatch: By end of May 2015
    • SAVE £4.99  
    • £19.98 £14.99

Hellebore 'White Spotted'

  • The very best hellebores that money can buy

Exquisite cup shaped, spotted pink blooms with a pure white edge appear like jewels in dull winter borders. Hellebore ‘White Spotted’ 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").



Thompson & Morgan inherited the highly-commended hellebore breeding programme of Elizabeth Strangman when she retired and we are immensely proud to carry on her legacy, perfecting the amazing colours and forms of this wonderful perennial.
More info
    • 1 x 9cm potted plant

    • Despatch:
    •  
    • £13.99
    • Out of stock

Hellebore 'Yellow Spotted'

  • The very best hellebores that money can buy

Exquisite cup shaped, pale gold blooms with purple pink markings appear like jewels in dull winter borders. Hellebore ‘Yellow Spotted’ 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").



Thompson & Morgan inherited the highly-commended hellebore breeding programme of Elizabeth Strangman when she retired and we are immensely proud to carry on her legacy, perfecting the amazing colours and forms of this wonderful perennial.
More info
    • 1 x 9cm potted plant

    • Despatch:
    •  
    • £13.99
    • Out of stock

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 jumbo plug plants

    • Despatch: By end of May 2015
    •  
    • £14.99
    • 12 jumbo plug plants

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

Heuchera 'Patchwork' Mix

Coral Flower, Coral Bells

 Customer Rating
Sprays of delicate, tiny flowers float on wiry stems above neat mounds of vibrant foliage. Prized for their colourful leaves, these versatile semi-evergreen perennials make excellent drifts of ground cover, adding a distinctive splash of colour to the front of borders, or even brightening winter containers. Their airy blooms attract bees and are also useful as cut flowers. Height and spread: 40cm (16?).
More info
    • 5 Postiplug plants

    • Despatch: By end of May 2015
    •  
    • £12.99
    • 10 Postiplug plants

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

Hellebore 'Slate'

  • The very best hellebores that money can buy

Exquisite cup shaped, red-black blooms appear like jewels in dull winter borders. Hellebore ‘Slate’ 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").



Thompson & Morgan inherited the highly-commended hellebore breeding programme of Elizabeth Strangman when she retired and we are immensely proud to carry on her legacy, perfecting the amazing colours and forms of this wonderful perennial.
More info
    • 1 x 9cm potted plant

    • Despatch: By end of May 2015
    •  
    • £13.99