Thompson & Morgan

Important delivery notice
The products on this site are only delivered to UK addresses. If you require delivery to another country please visit one of our other sites below.

Refine Results

Refine by..

Email Newsletter

Sign up to our newsletter

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, perennials live for 2 or more years and flower every year. Biennial plants 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 31 products.
 

Perennial Collection A+B

 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 150cm (60"). Spread: 75cm (30").

  • Perennial Collection A + B comprises:
  • A. Coreopsis 'Presto' - Neat, compact plants bear golden-yellow, semi-double flowers all summer long.
  • B. Echinacea 'Magic Box' - A stunning mix of daisy flowers and spectacular garden performance.
  • C. Scabiosa 'Blue Jeans' - Blue pincushion flowers attract bees and butterflies throughout summer.
  • D. Foxglove 'Dalmatian Peach' - Peachy trumpet flowers crowd sturdy, upright stems.
  • E. Poppy 'Pizzicato' Mixed - A neat semi dwarfing variety, producing up to 20 large flowers per plant.
  • F. Silene 'Jack Flash' - Scarlet blooms carried on elegant, slender stems over a long period.
  • G. Aquilegia 'Swan' Mixed - Long flowering, large blooms on upright, multi-branched stems.
  • H. Lavender 'Munstead' - A neat, compact variety of fragrant English lavender.
  • I. Heuchera 'Palace Purple' - Glossy, semi-evergreen purple leaves provide year round colour.
  • J. Delphinium 'Pacific Giants' - Excellent adding structure and presence to the back of borders.
  • K. Gaillardia 'Arizona' - A spectacular dwarf Blanket Flower with a long-flowering period.
  • L. Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting.
More info
    • 72 plugs - 6 of each variety

    • Despatch: By end of July 2013
    • SAVE £53.89  
    • £71.88 £17.99
Buddleja 'Flower Power'

Buddleja 'Flower Power'

Buddleja x weyeriana 'Bicolor', Buddleia, Butterfly Bush

  Customer Rating
  • NEW in 2012
  • Best shrub for summer colour
Magical blooms transform from deepest violet to rich butterscotch yellow for an enchanting kaleidoscope of colour. The fragrant flowers of Buddleja ‘Flower Power’ are certain to attract butterflies and other beneficial insects to your garden. This colourful, low maintenance butterfly bush has a neat compact habit – just perfect for small gardens.Height and spread: 200cm (79"). More info
    • 1 jumbo plug

    • Despatch: By end of June 2013
    •  
    • £7.99 £5.99
    • 3 jumbo plugs

    • Despatch: By end of June 2013
    •  
    • £15.98 £6.99
Perennial Collection A (Red Hot Poker, Lupin, Bergamot, Chrysanthemum maximum, Ozark Sundrops)

Perennial Collection A

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").

  • Perennial Collection A comprises:

  • A. Coreopsis 'Presto' - Neat, compact plants are smothered in golden-yellow, semi-double flowers all summer long.
  • B. Echinacea 'Magic Box' - Specially selected for its stunning mix of daisy flowers and spectacular performance in the garden.
  • C. Scabiosa 'Blue Jeans' - An abundance of blue pincushion scabious flowers will attract bees and butterflies throughout summer.
  • D. Foxglove 'Dalmatian Peach' - Exquisite peachy trumpets crowd the sturdy, upright stems.
  • E. Poppy 'Pizzicato' Mixed - A neat semi dwarfing variety, producing up to 20 large flowers per plant.
  • F. Silene 'Jack Flash' - Scarlet blooms are carried on elegant, slender stems over a long period.
 More info
    • 36 plugs - 6 of each variety

    • Despatch: By end of July 2013
    • SAVE £22.95  
    • £35.94 £12.99
Perennial Collection B (Tickseed, Oriental Poppy, Coral Flower, Coneflower)

Perennial Collection B

 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 150cm (60"). Spread: 75cm (30").

  • Perennial Collection B comprises:
  • A. Aquilegia 'Swan' Mixed - Long flowering, producing an abundance of large flowers on upright, multi-branched stems.
  • B. Lavender 'Munstead' - This neat, compact variety of English lavender bears masses of dark purple-blue flower spikes.
  • C. Heuchera 'Palace Purple' - Glossy, semi-evergreen purple leaves provide year round colour.
  • D. Delphinium 'Pacific Giants' - Excellent for cutting and adding structure and presence to the back of borders.
  • E. Gaillardia 'Arizona' - A spectacular dwarf Blanket Flower with a long-flowering period and superb garden performance.
  • F. Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are perfect for cutting for a vase indoors.

More info
    • 36 plugs - 6 of each variety

    • Despatch: By end of June 2013
    • SAVE £22.95  
    • £35.94 £12.99
Gerbera 'Sweet Dreams' (Garvinea) - Part of the Alan Titchmarsh Collection

Gerbera 'Sweet Dreams' (Garvinea) - Part of the Alan Titchmarsh Collection

Barberton Daisy, Transvaal Daisy
 
  • NEW in 2013
  • World Exclusive
  • These hardy gerberas have much larger blooms than standard hardy gerberas.
Enjoy 3 seasons of stunning colour with this new winter hardy gerbera! These spectacular border perennials begin flowering towards the end of spring, coming into their own during the summer. You'd imagine the plants to be exhausted by then, but no! They then go on flowering into the autumn! So many flowers - you can steal a few for the table - people just won't believe you've grown them yourself. Gerbera 'Sweet Dreams is the 'crème de la crème' of gerberas; an all-new strain with stronger stems and larger flowers than most other varieties. Height: 45cm (18"). Spread: 40cm (16").

Please note, that within our 2013 spring despatch, some plants supplied may have a white centre rather than dark, however the plant will offer the flower power and garden performance.

 
  • Alan Titchmarsh tip - "Keep your gerberas flowering continuously with regular feeding. And the more flowers you cut, the more you'll get!"
 
 More info
    • 1 x 9cm potted plant

    • Despatch: By end of May 2013
    •  
    • £9.99
    • 3 x 9cm potted plants

    • Despatch: By end of May 2013
    • HALF PRICE  
    • £29.97 £14.98
Delphinium Pacific Giants

Delphinium 'Pacific Giants'

A distinguished delphinium producing strong spikes of semi-double blooms in a dreamy blend of pink, lilac, purple, violet-blue, sky-blue and white. Delphinium ‘Pacific Giants’ are excellent for cutting and add structure and presence to the back of cottage garden perennial borders. Height: 150cm (60”). Spread: 75cm (30”). More info
    • 6 plugs

    • Despatch: By end of June 2013
    •  
    • £5.99
    • 12 plugs

    • Despatch: By end of June 2013
    •  
    • £8.99
Ipomoea 'Fragrant Sky'

Morning Glory 'Fragrant Sky'

Ipomoea lindheimeri
  • NEW in 2013
A hardy perennial morning glory with a sweet fragrance too! Scrambling Ipomoea lindheimeri looks just like its annual cousins but you can look forward to it returning year after year. Morning Glory ‘Fragrant Sky’ produces beautiful lavender blue trumpet blooms against a backdrop of attractive lobed foliage that makes a lovely informal display. Perfect for growing over obelisks, adding height and structure to cottage garden borders. Height: 90cm (35"). Spread: 30cm (12"). More info
    • 1 x 10cm potted plant

    • Despatch: June - May 2013
    • SAVE £4.00  
    • £9.99 £5.99
    • 2 x 10cm potted plant

    • Despatch: June - May 2013
    • HALF PRICE  
    • £19.98 £9.99
Chelsea Gold Collection

Chelsea Gold Collection

  • Grow the show plants of Chelsea

Each year, the Chelsea Flower Show is simply overflowing with top choice perennials. Grow the best of the bunch with our exclusive Chelsea Gold Collection. These varieties are all well-known and respected plants at the show, very often featured in the designer gardens and all offer great garden performance year after year.

  • Collection comprises:
  • Papaver 'Champagne Bubbles' - This brightly coloured Icelandic poppy makes a superb display dotted throughout rockeries and lining walkways. Height: 45cm (18"). Spread: 30cm (12").
  • Lavender 'Lavance Purple' - Bright purple flower spikes rise above a mass of silvery foliage that takes on a lovely metallic sheen in dry conditions. Height and spread: 60cm (24").
  • Aquilegia 'Swan Mixed' - A lovely mix of colourful columbines, producing an abundance of large flowers on upright, multi-branched stems. Height: 30cm (12"). Spread: 25cm (10").
  • Verbena bonariensis - Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. Height: 200cm (79"). Spread: 45cm (18").
  • Foxglove 'Dalmatian Cream' - This statuesque foxglove has a sturdy, uniform habit forming well branched plants that look magnificent in cottage gardens and woodland borders. Height: 50cm (20"). Spread: 40cm (16").
  • Delphinium 'Guardian Blue' - Towering columns of royal blue flowers rise above clumps of deeply cut foliage. Height: 150cm (60"). Spread: 60cm (24").
 More info
    • 72 plugs - 12 of each variety

    • Despatch: By end of June 2013
    •  
    • £18.99
Coreopsis grandiflora 'Sunray'

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
    • 12 plugs

    • Despatch: By end of May 2013
    •  
    • £5.99
    • 36 plugs

    • Despatch: By end of May 2013
    • SAVE £6.00  
    • £9.99 £3.99
    • 72 plugs

    • Despatch: By end of May 2013
    • Double up 36 to 72 for £5 extra  
    • £19.98 £14.99
Gerbera 'Forever Daisies™' Collection B (Garvinea)

Gerbera 'Forever Daisies™' Collection B (Garvinea)

Barberton Daisy, Transvaal Daisy
  • Customer favourite
  • Order early for best results

The first winter hardy gerbera in a rainbow of colours! Solitary daisy flowers appear throughout summer with their faces upturned towards the sun. Enjoy Gerbera ‘Forever Daisies™’ year after year in patio pots or planted en-masse in sunny beds and borders. These delightful gerbera daisies are also ideal for a fabulous cut flower display indoors. Height and spread: 45cm (18").

  • Collection comprises:
  • Gerbera 'Forever Daisies™' 'Layla' - Pink.
  • Gerbera 'Forever Daisies™' 'Sunny' - Yellow.
  • Gerbera 'Forever Daisies™' 'Sophie' - Red.
 More info
    • 3 x 9cm potted plants

    • Despatch: By end of June 2013
    •  
    • £14.99
    • 6 x 9cm potted plants

    • Despatch: By end of June 2013
    • SAVE £4.99  
    • £29.98 £24.99
Agapanthus 'L'Amour Duo'

Agapanthus 'L'Amour Duo'

African Blue Lily
  • NEW in 2013
Unlike most African Lilies, these repeat-flowering varieties will bloom all summer long, replacing faded blooms with fresh new buds later in the season. The tubular flowers crown strong upright stems from early June to September above neat clumps of strap like foliage. Agapanthus 'L'Amour Duo' are particularly compact varieties that make a superb addition to patio containers or the front of sunny borders. Height: 75cm (30"). Spread: 45cm (18"). More info
    • 2 jumbo plugs - 1 of each variety

    • Despatch: November - May 2013
    • SAVE £6.99  
    • £19.98 £12.99

Sunflower maximiliani

Helianthus maximiliani, Maximilian Sunflower

  • NEW for 2012

Often known as the Maximilian Sunflower, this attractive species produces masses of golden yellow, 7cm (3”) wide blooms all the way up the tall stems, which have a sweet chocolate fragrance. Perennial sunflower Helianthus maximiliani makes a stunning addition to the back of borders and a good late summer food source for both birds and butterflies. Height: 250cm (98”). Spread: 100cm (39”).


Companion planting: Try growing sunflowers with chives to deter aphids.


Useful links:

Companion Planting 

 More info
    • 5 jumbo plugs

    • Despatch: By end of April 2014
    •  
    • £9.99
    • 10 jumbo plugs

    • Despatch: By end of April 2014
    • SAVE £4.99  
    • £19.98 £14.99