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 21 products.
 

Rose Lily Grass

Rhodohypoxis

Dainty, jasmine-like flowers in two shades of pink erupt in profusion above short clumps of lance-shaped foliage in late spring, followed by flushes of flowers throughout the summer. Giving a long-lasting display throughout the summer months, these starry gems also have a delicate sweet fragrance. Each Rose Lily Grass plug plant contains more than one bulblet for prolific flowering in borders, rock gardens and containers. Although fully hardy, Rhodohypoxis will need protection from winter wet. Height and spread: 15cm (6"). More info
    • 1 jumbo plug plant

    • Despatch: By end of August 2014
    •  
    • £11.99
    • 3 jumbo plug plants

    • Despatch: By end of August 2014
    •  
    • £16.99

Arum Lily 'Spectrum Mixed'

Zantedeschia, Calla Lily

  • New in 2014
Bring some glamour and elegance into your garden with this beautiful collection of half-hardy Calla Lilies! The brightly coloured spathes are set against a backdrop of sumptuous, silver-spotted, heart shaped leaves. These exotic looking Arum Lillies are ideal for long lasting cut flower arrangements. Over-winter the rhizhomes in a warm, dry place and you can enjoy them year after year. Bulb size 12/14. Height: 60cm (24"). Spread: 20cm (8").
More info
    • 5 rhizomes

    • Despatch: By end of January 2015
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    • £12.99
    • 10 rhizomes

    • Despatch: By end of January 2015
    • Save £8.99  
    • £25.98 £16.99

Meconopsis baileyi 'Alba'

Himalayan Poppy, Tibetan Poppy, Meconopsis betonicifolia

  • New in 2014
  • 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 jumbo plug plants

    • Despatch:
    •  
    • £12.99
    • Out of stock

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 jumbo plugs - 4 of each variety

    • Despatch:
    • SAVE £11.99  
    • £31.98 £19.99
    • Out of stock

Lord Anson's Pea

Lathyrus nervosus, Sweet Pea

  • Rarely available - a perennial blue sweet pea!

A highly desirable and sought after perennial with handsome, clear blue sweet pea flowers on completely wingless stems. The scentless blooms of Lathyrus nervosus are produced in profusion throughout summer, beautifully complimented by leathery grey-green foliage. Lord Anson’s Pea has a sprawling bushy habit that makes it ideal for weaving through shrubs or romping over low walls and hedges. Height: 120cm (48"). Spread: 30cm (12").

Useful links:

How to grow sweet peas

More info
    • 5 Postiplug plants

    • Despatch:
    •  
    • £8.99
    • Out of stock
    • 10 Postiplug plants

    • Despatch:
    •  
    • £12.99
    • Out of stock

Freesia 'Crown Jewels Mixed'

 Customer Rating
  • Mail order exclusive
  • Best in class for freesias
Thanks to new technology, we can now offer you high quality plants from seed instead of freesia bulbs. Freesia 'Crown Jewels Mixed' are double the size, double the colour, and double the fragrance of other varieties! From the world's leading, royal warranted freesia breeder, this pack will give more than £100 worth of cut freesia flowers! Plants are grown from seed; so they are strong, fresh plants, and they'll flower in the same year from a late spring planting. These world exclusive freesias are only available from Thompson & Morgan. Height: 45cm (18”). Spread: 15cm (6”).
More info
    • 36 plug plants

    • Despatch:
    •  
    • £10.99
    • Out of stock
    • 72 plug plants

    • Despatch:
    • Double up 36 to 72 for £5 extra  
    • £15.99
    • Out of stock

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 bareroot plants

    • Despatch: By end of January 2015
    •  
    • £12.99
    • 4 bareroot plants

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

Meconopsis '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 jumbo plug plants

    • Despatch: By end of March 2015
    •  
    • £12.99
    • 4 jumbo plug plants

    • Despatch: By end of March 2015
    •  
    • £15.99

Hyacinth Orchid

Bletilla striata, Bletilla hyacinthina

Beautiful, magenta pink blooms hang from the tips of slender stems. The lovely colours, distinctive fragrance and architectural elegance of the Hyacinth Orchid add a touch of class to damp woodland borders. Although quite slow to spread, once established Bletilla striata is surprisingly easy to grow. Ideal for planting in reliably moist or boggy soils, and you can even try it in containers. Height and spread: 45cm (18"). More info
    • 2 bareroot plants

    • Despatch:
    • SAVE £9.99  
    • £29.98 £19.99
    • Out of stock

Clematis 'Fascination'

Old Man's Beard

  • Try a different type of clematis this season
A superb non climbing, herbaceous clematis that is perfect for scrambling through shrubs, over banks and tumbling down walls. The gently scented violet purple flowers are followed by decorative seed heads for a long lasting display. Clematis 'Fascination' is particularly easy to maintain as it can be cut back to almost ground level each year. Height: 150cm (60”). Spread: 75cm (30”). Pruning group: 3.

Useful links:

How to prune a clematis

More info
    • 1 x 9cm potted clematis plant

    • Despatch: By end of August 2014
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    • £14.99
    • 2 x 9cm potted clematis plants

    • Despatch:
    •  
    • £19.98
    • Out of stock

Peony 'Eden's Perfume'

Paeonia

  • Best in Class for border peonies
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").

Useful links:

How to plant peonies

More info
    • 1 bareroot plant

    • Despatch: By end of November 2014
    •  
    • £14.99

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 corms

    • Despatch: By end of September 2014
    •  
    • £9.99
    • 40 corms

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