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 187 products.
 

Perennial 'Best Value' Collection

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 'Hidcote' - This classic English lavender plant has an attractive grey-green fragrant foliage and will display stunning violet-blue compact spikes.
  • Digitalis 'Dalmation Mixed' - Well branched, compact, dwarf plants. Height: 50cm (20"). Spread: 40cm (16").
  • Erigeron 'Stallone' - This cheery clump forming perennial enjoys light sandy soils, making it ideal for coastal gardens.
  • Echinacea 'Pink Parasol' - Pink Parasol has stunning, large, deep purplish-pink blooms, with contrasting orange cones standing proudly above strong stems.
  • 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").
  • Coreopsis 'Early Sunrise' - Golden yellow, semi double flowers that attract bees and butterflies. Height: 45cm.
More info
    • 72 perennial plug plants - 6 of each variety

    • Despatch: By end of June 2016
    • SAVE £51.89  
    • £71.88 £19.99

Fuchsia 'White King'

The purest white blooms of any double-flowered variety, Fuchsia 'White King' is ideal for brightening shady corners where the pale blooms will seemingly glow in the dark! The huge 12cm (5") blooms on these trailing fuchsia plants are the perfect showy addition for hanging baskets and tall containers. Easy-care fuchsias thrive in sun or shade. Height and spread: 50cm (20in).

Useful links:

How to grow fuchsias


Culinary note: Add the beautiful coloured flowers to salads, crystallise them for a sweet garnish or add them to jellies for an extra splash of colour. For more details about edible flowers click here.

More info
    • 5 fuchsia Postiplug plants

    • Despatch: By end of May 2016
    •  
    • £9.99
    • 10 fuchsia Postiplug plants

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

Phlox Collection (Creeping)

Phlox subulata

 Customer Rating
  • Fragrant ground cover
Groundcover needn’t be dull! Carpet your garden in rich colour and keep the weeds at bay with our perennial creeping phlox collection. This hardy rockery plant has many uses – underplant trees, shrubs and tall perennials, soften path edging or cover awkward slopes and banks. If you’re tired of your lawn, why not replace it with a sea of seasonal colour. This collection comes into its own in March to May, bridging the colour gap between winter and summer bedding. Height: 15cm (6"). Spread: 50cm (20")..
  • Collection comprises:
  • Phlox subulata 'Candy Stripes'
  • Phlox subulata 'Snowflake'
  • Phlox subulata 'Red Wings'
  • Phlox subulata 'Drummonds Pink'
  • Phlox subulata 'Emerald Cushion'
More info
    • 5 phlox Postiplug plants

    • Despatch: By end of July 2016
    •  
    • £13.99
    • 10 phlox Postiplug plants

    • Despatch: By end of July 2016
    • SAVE £7.99  
    • £27.98 £19.99
    • 20 phlox Postiplug plants

    • Despatch: By end of July 2016
    • SAVE £30.97  
    • £55.96 £24.99
    • 50 phlox Postiplug plants

    • Despatch: By end of July 2016
    • SAVE £99.91  
    • £139.90 £39.99

Peony 'Eden's Perfume'

Paeonia, Herbaceous Peony

  • Large blooms scented like damask roses
Said to be the most fragrant peony ever! Large pink, layered blooms with a powerful scent of roses, and layer upon layer of sublime, shell pink petals. Herbaceous peonies are a real feature of the border producing exotic, elegant blooms from early summer onwards which are superb for cutting. Peonies are hardy, long lived and cope well on heavier soils, provided that they are well drained. Height: 90cm (36"). Spread: 60cm (24").
More info
    • 1 bare root peony plant

    • Despatch: By end of May 2016
    •  
    • £14.99
    • 2 bare root peony plants

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

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

Perennial Pack A 'T&M's Choice'

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;

  • 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").
  • Lavender 'Hidcote' - This classic English lavender plant has an attractive grey-green fragrant foliage and will display stunning violet-blue compact spikes.
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Erigeron 'Stallone'- This cheery clump forming perennial enjoys light sandy soils, making it ideal for coastal gardens.
More info
    • 36 perennial plug plants - 6 of each variety

    • Despatch: By end of June 2016
    • SAVE £20.95  
    • £35.94 £14.99

Perennial Pack B 'T&M's Choice'

 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 -

  • Armeria 'Mixed' - Long flowering plants with unusual ball shaped flower heads on thin wiry stems. Height: 50cm (20"). Spread: 30cm (12").
  • Digitalis 'Dalmation Mixed' - Well branched, compact, dwarf plants. Height: 50cm (20"). Spread: 40cm (16").
  • Echinacea 'Pink Parasol' - Pink Parasol has stunning, large, deep purplish-pink blooms, with contrasting orange cones standing proudly above strong stems.
  • Coreopsis 'Early Sunrise' - Golden yellow, semi double flowers that attract bees and butterflies. Height: 45cm.
  • Verbena Bonariensis - Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. Height: 200cm (79"). Spread: 45cm (18").
  • Scabiosa 'Blue Jeans' - Blue pincushion flowers attract bees and butterflies throughout summer. Height and spread: 45cm (18").
More info
    • 36 perennial plug plants - 6 of each variety

    • Despatch: By end of June 2016
    • SAVE £20.95  
    • £35.94 £14.99

Brunnera 'Alexander's Great'

Brunnera macrophylla, Siberian Bugloss

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 May 2016
    • SAVE £6  
    • £14.99 £8.99
    • 4 brunnera jumbo plug plants

    • Despatch: By end of May 2016
    • SAVE £12  
    • £24.99 £12.99

Lewisia cotyledon 'Elise Mixed'

  • First lewisia to repeat flower throughout summer
Masses of starry flowers in a range of fruity colours, including stripes and picotees adorn slender stems above neat rosettes of fleshy leaves. Traditionally grown as perennials in alpine houses, new breeding has brought us Lewisia 'Elise Mixed' which flowers in its first year, making a bright and attractive annual bedding plant! Winner of a Fleuroselect Gold Medal, these exceptional plants repeat flower throughout summer, lighting up beds, borders, containers and rock gardens. Tolerating heat and drought well, Lewisia is also perfectly happy with cooler temperatures and will overwinter with protection from wet weather. Height: 25cm (10"). Spread: 30cm (12").
More info
    • 24 lewisia plug plants

    • Despatch: By end of June 2016
    •  
    • £16.99
    • 48 lewisia plug plants

    • Despatch: By end of June 2016
    • SAVE £10.99  
    • £33.98 £22.99

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

Aquilegia 'Swan Mixed'

Columbine, Granny's Bonnet

A lovely mix of colourful columbines, producing an abundance of large flowers on upright, multi-branched stems. Aquilegia 'Swan Mixed' are longer flowering than many aquilegias, and left to naturalise, they will quickly fill your garden with drifts of spring colour. Perfect for cottage gardens, perennial borders and woodland gardens. Height: 30cm (12"). Spread: 25cm (10"). More info
    • 6 aquilegia plug plants

    • Despatch: By end of June 2016
    •  
    • £5.99

Coreopsis grandiflora 'Presto'

Tickseed

 Customer Rating
Coreopsis 'Presto' is so long-flowering and colourful that you can mix it up with summer bedding annuals to achieve a truly amazing, long lasting display. Neat, compact plants are smothered in golden-yellow, semi-double flowers all summer long. This versatile tickseed plant will grow almost anywhere, even in dry soil! Height and spread: 45cm (18").
More info
    • 6 coreopsis plug plants

    • Despatch: By end of June 2016
    •  
    • £5.99
    • 72 coreopsis plug plants

    • Despatch: By end of June 2016
    • Double up 36 to 72 for £5 extra  
    • £21.98 £15.99