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 24 products.
 

Gerbera 'Sweet Collection' (Hardy)

Barberton Daisy, Transvaal Daisy

 Customer Rating
  • Bigger and better winter hardy gerberas
  • Three seasons of stunning colour
Growing Gerberas outdoors was virtually inconceivable ten years ago. Now these 2nd generation hardy Gerberas can be grown year round in the border! Gerbera 'Sweet Collection' produces plenty of classic daisy blooms that are twice the size of other hardy Gerberas, and make fabulous cut flowers. Blooming reliably from June to October, these wonderful clump forming hardy perennials make a big impact in borders and patio containers. Height and spread: 45cm (18").
More info
    • 3 x 7cm potted gerbera plants (1 of each variety)

    • Despatch: By end of April 2016
    • SAVE £9.98  
    • £29.97 £19.99

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 February 2016
    •  
    • £14.99
    • 2 bare root peony plants

    • Despatch: By end of February 2016
    • SAVE £4.99  
    • £29.98 £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 April 2016
    •  
    • £12.99
    • 4 meconopsis jumbo plug plants

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

Gerbera 'Sweet Glow'

Barberton Daisy, Transvaal Daisy

  • T&M exclusive
  • Bigger and better winter hardy gerberas
  • Three seasons of stunning colour
Growing Gerberas outdoors was virtually inconceivable ten years ago. Now these 2nd generation hardy Gerberas can be grown year round in the border! Gerbera 'Sweet Glow' produces plenty of bright orange daisy blooms that are twice the size of other hardy Gerberas, and make fabulous cut flowers. Blooming reliably from June to October, these wonderful clump forming hardy perennials make a big impact in borders and patio containers. Height and spread: 45cm (18").
More info
    • 1 x 7cm potted gerbera plant

    • Despatch: By end of April 2016
    •  
    • £9.99

Meconopsis baileyi 'Alba'

Himalayan Poppy, Tibetan Poppy, Meconopsis betonicifolia

  • Glorious white Himalayan poppy
Rarely seen, this stunning white form of the Himalayan blue poppy is a real eye-catcher in late spring and early summer. Pure white, silky petals surround golden yellow stamens to form clear, single blooms up to 10cm (4") across. Forming a basal rosette of hairy leaves, Meconopsis baileyi 'Alba' thrives in cool, moist, shady borders and woodland gardens, making a stunning feature when planted en masse. This captivating short-lived perennial is a 'must have' in the garden! Height: 90cm (35"). Spread: 50cm (20").
More info
    • 2 meconopsis jumbo plug plants

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

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

Gerbera 'Sweet Dreams'

Barberton Daisy, Transvaal Daisy

  • T&M exclusive
  • Bigger and better winter hardy gerberas
  • Three seasons of stunning colour
Growing Gerberas outdoors was virtually inconceivable ten years ago. Now these 2nd generation hardy Gerberas can be grown year round in the border! Gerbera 'Sweet Dreams' produces plenty of cerise pink daisy blooms that are twice the size of other hardy Gerberas, and make fabulous cut flowers. Blooming reliably from June to October, these wonderful clump forming hardy perennials make a big impact in borders and patio containers. Height and spread: 45cm (18").
More info
    • 1 x 7cm potted gerbera plant

    • Despatch: By end of April 2016
    •  
    • £9.99

Meconopsis Duo

Himalayan Blue Poppy, Tibetan Poppy

These stunning Himalayan poppies are a 'must have' in the garden! Silky petals in shades of white or blue surround golden yellow stamens to form clear, single blooms up to 10cm (4") across. Forming a basal rosette of hairy leaves, Meconopsis makes a captivating feature planted en masse in woodland gardens and moist, shady borders.


  • Collection comprises 4 jumbo plugs each of:
  • Meconopsis 'Lingholm' - A captivating short-lived perennial bearing spectacular, single clear blue poppy flowers, up to 10cm (4") across. Incredibly popular, this Himalayan blue poppy is ideal for moist shady borders. Height: 75cm (30"). Spread: 50cm (20").
  • Meconopsis baileyi 'Alba' - Rarely seen, this stunning white form of the Himalayan blue poppy is a real eye-catcher in late spring and early summer. Although often short-lived, this Meconopsis makes a stunning feature when planted en masse. Height: 90cm (35"). Spread: 50cm (20").
More info
    • 8 meconopsis jumbo plugs - 4 of each variety

    • Despatch: By end of April 2016
    • SAVE £8.99  
    • £33.98 £24.99

Gerbera 'Sweet Honey'

Barberton Daisy, Transvaal Daisy

  • T&M exclusive
  • Bigger and better winter hardy gerberas
  • Three seasons of stunning colour
Growing Gerberas outdoors was virtually inconceivable ten years ago. Now these 2nd generation hardy Gerberas can be grown year round in the border! Gerbera 'Sweet Honey' produces plenty of sunshine yellow daisy blooms that are twice the size of other hardy Gerberas, and make fabulous cut flowers. Blooming reliably from June to October, these wonderful clump forming hardy perennials make a big impact in borders and patio containers. Height and spread: 45cm (18").
More info
    • 1 x 7cm potted gerbera plant

    • Despatch: By end of April 2016
    •  
    • £9.99

Freesia 'Premium Collection'

Fabulous double Freesia flowers packed with that unmistakeable fresh fragrance! Freesia 'Premium Collection' combines some of the largest flowered varieties in a rainbow of summery colours. Grow Freesias in patio containers, sheltered borders and greenhouses for a perfumed display that will really tantalize the senses. Their strong arching stems make them perfect for adding to home-grown bouquets too! Height: 35cm (14"). Spread: 15cm (6"). More info
    • 20 freesia corms

    • Despatch: By end of February 2016
    •  
    • £9.99
    • 40 freesia corms

    • Despatch: By end of February 2016
    • SAVE £4.99  
    • £19.98 £14.99

Tropaeolum speciosum

Flame Nasturtium, Flame Flower, Flame Creeper

Exotic, spurred blooms in bright, vermillion red appear throughout summer in a rich explosion of colour. The vibrant blooms are followed by spherical blue fruits set against a backdrop of attractive dark green foliage. Tropaeolum speciosum is an intriguing climbing perennial that prefers a cool, sheltered position. This sought after plant creates a spectacular sight when grown through mature shrubs or scrambling over low walls. Height: 3m (10'). Spread: 1.2m (4').
More info
    • 2 bare root tropaeolum speciosum plants

    • Despatch: By end of February 2016
    •  
    • £12.99
    • 4 bare root tropaeolum speciosum plants

    • Despatch: By end of February 2016
    •  
    • £19.99

Iris ensata 'Collection'

Japanese Iris, Iris kaempferi

Spectacular, exotic blooms are carried above narrow, strap-like foliage in summer. Iris ensata enjoy a reliably moist soil and positively thrive in bog gardens or at the margins of a pond or stream. The long stems of these low maintenance perennials also make them ideal for cutting for an eye-catching vase indoors. Height: 90cm (36"). Spread: 30cm (12"). More info
    • 4 bare root Iris plants

    • Despatch: By end of February 2016
    •  
    • £13.99
    • 8 bare root Iris plants

    • Despatch: By end of February 2016
    • SAVE £8.99  
    • £27.98 £18.99

Peony 'Coral Sunset' (Large Plant)

Paeonia lactiflora, Herbaceous Peony

Herbaceous Peonies will last a lifetime in your garden; giving late spring displays of show-stopping, ruffled blooms each year for the minimum of effort! Plant them into the middle of herbaceous borders, where they will add structure and of course, rich colours.

Peony 'Coral Sunset' is especially recommended for its bowl-shaped blooms, which open coral pink, changing slowly to apricot and soft yellow. Imagine all these colours on one plant at the same time! Flowering in May, border Peonies are the perfect companions for Tulips! 'Coral Sunset' is a gold medal winner with the American Peony Society. Height: 80cm (31"). Spread: 55cm (21").

More info
    • 1 x 3.5 litre potted peony plant

    • Despatch: By end of April 2016
    •  
    • £14.99
    • 2 x 3.5 litre potted peony plants

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