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 14 products.
 
Geum Collection

Geum 'Cocktail Collection'

Avens
  • NEW in 2013

A truly magnificent collection of Geums in a mixture of cocktail colours which will bring warmth and excitement to your summer perennial borders. The pretty, bowl-shaped blooms are held high above the foliage on elegant, wiry stems, which are ideal for cutting for a vase indoors. Easy to grow, reliable and with a long flowering period, Geum 'Cocktail Collection' is an essential addition to your summer garden.


  • Collection comprises the following varieties:
  • Geum 'Alabama Summer' - Purple buds open to reveal golden, semi-double flowers with orange and red markings. Height: 45cm (18"). Spread: 40cm (16").
  • Geum 'Totally Tangerine' - Gorgeous pale orange blooms on thin, wiry stems. Height: 60cm (24"). Spread: 50cm (20").
  • Geum 'Mai Tai' - A compact Geum with beautiful, ruffled apricot-orange blooms emerging from contrasting burgundy buds. Height: 45cm (18"). Spread: 40cm (16").
  • Geum 'Tequila Sunrise' - A sunny new Geum with semi-double, yellow flowers; each petal blushed rose at the tips. Height: 45cm (18"). Spread: 40cm (16").
 More info
    • 4 jumbo plugs - 1 of each variety

    • Despatch: By end of September 2013
    • SAVE £24.97  
    • £39.96 £14.99
    • 8 jumbo plugs - 2 of each variety

    • Despatch: By end of September 2013
    • SAVE £59.93  
    • £79.92 £19.99
Creeping Phlox Collection

Phlox Collection (Creeping)

Phlox subulata, Phlox douglasii, Moss Phlox
  • Fragrant ground cover
Delicate in appearance but tough in character, these spreading evergreen perennials soften the edges of paths and grow in dry rockeries or on sunny banks and slopes. Perfect for creating colourful, weed smothering, ground cover. Height: 15cm (6”). Spread: 50cm (20”).
  • Collection comprises:
  • Phlox subulata ‘Candy Stripes’
  • Phlox douglassi ‘Red Admiral’
  • Phlox subulata ‘Calvides White’
  • Phlox subulata ‘Scarlet Flame’
  • Phlox subulata ‘Emerald Cushion Blue’
 More info
    • 5 Postiplugs

    • Despatch: By end of July 2013
    •  
    • £9.99
    • 10 Postiplugs

    • Despatch: By end of July 2013
    • SAVE £4.99  
    • £19.98 £14.99

Geum 'Blazing Sunset'

Avens

 Fully double, scarlet red Geum flowers rise above clumps of foliage on thin, wiry stems. Geum 'Blazing Sunset' adds a bright splash of colour to borders - the large flowers make a dazzling and unusual addition to cut flower arrangements too. These colourful hardy perennials are so easy to grow that we can't understand why they're not more commonly grown! Height and spread: 60cm (24"). More info
    • 6 plugs

    • Despatch: By end of August 2013
    •  
    • £5.99
Lupin Russell Mixed

Lupin 'Russell Hybrids Mixed'

Lupinus

 Tall spires of tightly packed flowers rise above clumps of palmate foliage in a magical array of colours. This wonderful mix of the ever popular 'Russell Hybrids' is ideal for adding height and structure to the back of perennial borders and woodland edges. A distinctive hardy perennial that remains a cottage garden favourite. Height: 90cm (36"). Spread: 50cm (20"). More info
    • 3 x 5cm potted plants

    • Despatch: By end of July 2013
    •  
    • £9.99
    • 6 x 5cm potted plants

    • Despatch: By end of July 2013
    • SAVE £6.99  
    • £19.98 £12.99
Giant Fragrant Cowslip

Giant Fragrant Cowslip

Primula florindae, Tibetan Cowslip
  • NEW in 2012
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 x 5cm potted plants

    • Despatch: By end of July 2013
    •  
    • £9.99
    • 6 x 5cm potted plants

    • Despatch: By end of July 2013
    • SAVE £4.99  
    • £19.98 £14.99
Geum 'Totally Tangerine'

Geum 'Totally Tangerine'

Avens
  • NEW in 2013
Gorgeous pale orange blooms rise above clumps of bright green foliage on thin, wiry stems. This free-flowering Geum is a tough and reliable addition to perennial borders where it will bloom non-stop from early summer right through until early autumn. The warm orange blooms of Geum 'Totally Tangerine' also make fantastic cut flowers for a vase indoors. Height: 60cm (24"). Spread: 50cm (20"). More info
    • 1 jumbo plug

    • Despatch: By end of September 2013
    •  
    • £9.99
Giant Geranium Collection

Giant Geranium Collection

Pelargonium
  • The biggest geraniums you'll ever find

Enormous heads of bloom with exceptional weather resistance make these giant geraniums stand out from the rest! Raised from cuttings, these plants have increased vigour and abundant flowers that persist throughout summer if deadheaded regularly. Fantastic for creating dramatic patio displays or filling gaps in borders. Height: 60cm (24”). Spread: 50cm (20”).

  • Collection comprises:
  • Geranium ‘Octavia Hill’ – Bold scarlet
  • Geranium ‘Salmon Princess’ -Delicate candy pink.
  • Geranium ‘Sassa’ – Dark pink.
  • Geranium ‘Flower Fairy Berry’ – Rich cerise pink.
  • Geranium ‘Peach Kiss’ – Light pink.
 More info
    • 5 jumbo plugs - 1 of each variety

    • Despatch:
    •  
    • £12.99
    • Out of stock
    • 15 jumbo plugs - 3 of each variety

    • Despatch:
    • SAVE 19.98  
    • £38.97 £18.99
    • Out of stock
    • 100 jumbo plugs - 20 of each variety

    • Despatch:
    • SAVE £189.81  
    • £259.80 £69.99
    • Out of stock
Geranium 'Octavia Hill'

Geranium 'Octavia Hill'

Pelargonium, Zonal Geranium, Zonal Pelargonium

 Enormous heads of scarlet blooms with exceptional weather resistance make these giant geraniums stand out from the rest! Raised from cuttings, Geranium 'Octavia Hill' has increased vigour and abundant flowers that persist throughout summer if deadheaded regularly. Fantastic for creating dramatic patio displays or filling gaps in borders. Height: 50cm (20”). Spread: 45cm (18”). More info
    • 5 jumbo plugs

    • Despatch:
    •  
    • £12.99
    • Out of stock
Tesco Clubcard - Rare Himalayan Blue Poppy

Meconopsis 'Lingholm' - Part of the Alan Titchmarsh Collection

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 jumbo plugs

    • Despatch: By end of March 2014
    •  
    • £12.99
    • 4 jumbo plugs

    • Despatch: By end of March 2014
    •  
    • £13.99

Chinese Foxglove

Rehmannia elata, Rehmannia angulata
  • NEW in 2012
  • Blooms from May to November
Rehmannia makes a superb choice for awkward dry, shady areas, thriving in difficult sites where many other plants fail. This colourful Chinese Foxglove is named for its foxglove-like flowers, and it will repeat bloom all through the summer - unlike digitalis - with a much showier flower. Height: 90cm (36”). Spread: 50cm (20”). More info
    • 3 x 5cm potted plants

    • Despatch:
    •  
    • £10.99
    • Out of stock
    • 6 x 5cm potted plants

    • Despatch:
    • SAVE £6.99  
    • £21.98 £14.99
    • Out of stock
Kohleria 'Sunshine'

Kohleria 'Sunshine'

Mosaic Flower
  • NEW in 2013
This beautiful tender perennial makes a stunning pot plant for the conservatory, a warm greenhouse or a bright windowsill indoors. The tubular, foxglove-like flowers are intricately veined with pretty pink markings that make each bloom unique. Kohleria ‘Sunshine’ produces an endless supply of flowers on stiff stems filled with velvety foliage. Despite their tropical looks, this captivating Mosaic Flower is surprisingly easy to grow, producing more and more blooms each year. Height: 60cm (24"). Spread: 50cm (20"). More info
    • 3 jumbo plugs

    • Despatch:
    •  
    • £14.99
    • Out of stock
    • 6 jumbo plugs

    • Despatch:
    • SAVE £4.99  
    • £29.98 £24.99
    • Out of stock
Wildflower Collection

Wildflower Collection

  • NEW in 2013
  • Help boost bee and butterfly numbers
  • Easy to grow

Establishing your own wildflower meadow couldn’t be easier with this diverse collection of wildflower plug plants. A wildflower patch in your garden makes a lovely informal display that needs little maintenance. You'll be amazed at the beneficial insects and birds they attract, many of which will act as pollinators and natural pest control for your garden! Try sprinkling some wildflower seed between these plug plants - they will all knit nicely together. The perennial varieties will come back year after year whilst the annuals will happily self seed and reappear in a new position each year. Height: 150cm (59"). Spread: 50cm (20").


  • Collection comprises:
  • Foxglove (Digitalis) - A perennial cottage garden favourite for its tall spires of bell shaped flowers.
  • Self-Heal (Prunella) - This low growing perennial makes superb ground cover.
  • Lady's Bedstraw (Galium) - Slender stems of frothy yellow blooms make this perennial wildflower particularly eye catching.
  • Ox-eye Daisy (Leucanthemum) - These cheery perennial daisies make a fabulous summer display.
  • Cornflower (Centaurea) - A well loved annual with stunning bright blue flowers.
  • Ragged Robin (Lychnis) - The tall stems of this perennial bear pretty pink blooms with a ragged appearance - hence the name!
  • Field Scabious (Knautia) - A lovely perennial with intricate pincushion flowers.
  • Common Knapweed (Centaurea) - A tall perennial thistle with cerise pink blooms followed by fluffy seed heads.
  • Meadow Buttercup (Ranunculus) - The golden cup shaped blooms make this perennial it instantly recognisable.
  • Teasel (Dipsacus) - A well known perennial for its prickly autumn seedheads.
 More info
    • 10 Postiplugs - 1 of each variety

    • Despatch:
    • SAVE £16.98  
    • £29.97 £12.99
    • Out of stock
    • 20 Postiplugs - 2 of each variety

    • Despatch:
    • + FREE packet of Wildflower Seed  
    • £59.94 £17.99
    • Out of stock