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, 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 149 products.
 

Peruvian Tree Lily

Alstroemeria 'Everest Collection' , Peruvian Lily

  • NEW in 2013
  • World Exclusive
Create a floral sculpture on your patio with these incredible Peruvian Lilies. Our Alstroemeria ‘Everest Collection’ combines the best tall varieties that will knit together and keep growing skywards. Support them with our handy climbing frame for the most impressive display. With so many long-stemmed blooms, you will never be short of cut flowers to add to magnificent bouquets. Height: 140cm (71"). Spread: 75cm (30").

Useful links:

Press Release: Pick a bouquet a week - and the flowers still keep coming!

More info
    • 3 x 7cm potted plants

    • Despatch: By end of June 2013
    •  
    • £19.99
    • 6 x 7cm potted plants

    • Despatch: By end of June 2013
    • SAVE £10.00  
    • £39.98 £29.98

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 'Sunray' - Neat, compact plants bear golden-yellow, semi-double flowers all summer long.
  • B. Geum 'Blazing Sunset’ - Fully double, large scarlet blooms are borne over a long period in summer.
  • C. Scabiosa 'Blue Jeans' - Blue pincushion flowers attract bees and butterflies throughout summer
  • D. Echinacea 'Primadona' - Beautiful pink daisy flowers with petals that radiate outwards instead of downwards.
  • 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 for 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 August 2013
    • SAVE £52.89  
    • £71.88 £18.99

Alstroemeria 'Perfect Blue'

Peruvian Lily

  • NEW in 2013
The exquisite mauve-blue flowers of this stunning Peruvian Lily are a sight to behold in summer. Just one plant will easily fill a 30cm (12") container with colour from June to October. Alstroemeria ‘Perfect Blue’ is a modern hybrid which seems to be even longer lasting than the older varieties. This unusual cultivar holds an RHS AGM for its exceptional garden performance and comes highly recommended. Try adding some of its upright stems to a cut flower arrangement indoors for a particularly eye-catching display. Height: 75cm (30"). Spread: 60cm (24").
More info
    • 1 x 7cm potted plant

    • Despatch: By end of June 2013
    • SAVE £6.00  
    • £12.99 £6.99
    • 3 x 7cm potted plants

    • Despatch: By end of June 2013
    • SAVE £24.99  
    • £38.97 £13.98

Primrose 'Husky Mixed'

Primula

 Customer Rating
  • Best In Class for hardy primroses - click here for details
A vibrant rainbow of primrose flowers that will brighten the gloomiest of winter days - even through cold, wet and snow! The delicately fragranced blooms of Primrose ‘Husky’ burst open in a frenzy of colour that will see you through until late spring. Once established in beds, borders and containers, these easy to grow perennials will virtually look after themselves. Height and spread: 20cm (8”).

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 36 plugs

    • Despatch: By end of August 2013
    •  
    • £9.99
    • 72 plugs

    • Despatch: By end of August 2013
    •  
    • £14.99

Wallflower Collection

Erysimum, Cheiranthus

Evergreen erysimum hybrids with an alluring perfume. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height and spread: 50cm (20").

  • Collection comprises:
  • Wallflower ‘Plant World Lemon’
  • Wallflower ‘Sweet Sorbet’
  • Wallflower ‘Winter Joy’
  • Wallflower ‘Winter Sorbet’
More info
    • 12 jumbo plugs - 3 of each variety

    • Despatch: By end of June 2013
    • SAVE £24.98  
    • £44.97 £19.99

Pansy 'Matrix Butterfly'

  • Best In Class for winter pansy - click here for details
  • No winter garden is complete without these super pansies
A brand new colour breakthrough in pansy breeding! Beautiful glowing pinks and yellows blend softly with butterfly-effect markings on dazzling, large flowers. Reliable and disease tolerant, Pansy ‘Matrix Butterfly’ have a compact habit and will very quickly branch out to cover the ground before bursting into full bloom. Pansies are easy to grow, making them perfect for all your containers and bedding displays. Height: 20cm (8"). Spread: 25cm (10").

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 36 plugs

    • Despatch: By end of August 2013
    •  
    • £12.99
    • 72 plugs

    • Despatch: By end of August 2013
    •  
    • £16.99

Pansy 'Matrix™ Mixed'

Viola x wittrockiana

 Customer Rating
  • Best In Class for winter pansy - click here for details
  • Colour throughout winter and spring
  • 100% bigger, better and stronger than Pansy 'Universal'

This vibrant blend has been specially bred for their excellent branching habit and super size flowers; and the results speak for themselves! The compact sturdy stems hold their vibrant flower heads high, whatever the weather brings to ensure your garden is filled with colour. Easy to grow, Pansy ‘Matrix Mixed’ is the perfect plant for all your containers and bedding displays. Height and spread: 23cm (9").

 

Culinary note: Pansy flowers are edible.

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 36 plugs

    • Despatch: By end of August 2013
    • +FREE £5 promo voucher  
    • £8.99
    • 72 plugs

    • Despatch: By end of August 2013
    • +FREE £5 promo voucher  
    • £17.98 £12.99

Wallflower 'Most Scented' Mix

Erysimum, Cheiranthus

 Customer Rating
  • The most scented wallflower
Don't overlook wallflowers! This popular cottage garden favourite is currently enjoying a revival. Wallflower ‘Most Scented Mix’ is a wonderful blend of specially selected Erysimum, chosen for their fabulous fragrance. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height and spread: 30cm (12").
More info
    • 36 plugs

    • Despatch: By end of August 2013
    •  
    • £9.99
    • 72 plugs

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

Myosotis sylvatica 'Sylva'

Forget-me-not

  • Brilliant with spring bulbs
The perfect partner for spring bulb displays. Frothy plants with not just the traditional blue flowers, but also new pinks and whites. So easy to grow, ‘Sylva’ will create a carpet of colour that will keep your garden looking fabulous until your summer plants kick in. A simple yet effective bed filler.
More info
    • 36 plugs

    • Despatch: By end of August 2013
    •  
    • £11.99
    • 72 plugs

    • Despatch: By end of August 2013
    • Double up 36 to 72 for £4 extra  
    • £23.98 £15.99

Primrose 'Alaska Improved Mixed'

Primula

  • Exclusive extra-hardy primrose mix
  • Up to 20 colours
  • Best In Class for widest primrose colour mix - click here for details
Plant a rainbow of primroses with up to 20 different colours. Primrose ‘Alaska Improved Mixed’ are super hardy, blooming from winter all the way through to late spring. Once established in beds, borders and containers, these easy to grow perennials will virtually look after themselves. Height and spread: 20cm (8”).

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 36 plugs

    • Despatch: By end of August 2013
    •  
    • £11.99
    • 72 plugs

    • Despatch: By end of August 2013
    •  
    • £16.99

Dianthus 'Frills and Fragrance Mix'

Pink

  • Mail order exclusive
  • Customer favourite
A delightful mix of laced, ruffled and double blooms, each exuding its own heady fragrance - some musky, some spicy, some sweet. These hardy perennial garden pinks are cottage garden essentials. The perfumed dianthus flowers are excellent for cutting for a bright display indoors. Perfectly proportioned for the front of sunny borders where their mounds of silvery green foliage remain evergreen throughout the year. This mix includes the RHS AGM varieties Dianthus 'Doris' and Dianthus 'Gran's Favourite'. Height and spread: 30cm (18”).

 

Culinary note: Dianthus flowers are edible.

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 5 Postiplugs

    • Despatch: By end of June 2013
    •  
    • £8.99
    • 10 Postiplugs

    • Despatch: By end of June 2013
    • SAVE £3.99  
    • £17.98 £13.99
    • 20 Postiplugs

    • Despatch: By end of June 2013
    • SAVE £16.97  
    • £35.96 £18.99
    • 100 Postiplugs

    • Despatch: By end of June 2013
    • SAVE £119.81  
    • £179.80 £59.99

Pansy 'Matrix Union Jack Mixed'

  • Best in class for winter pansy

A quintessential colour mix of red, white and blue that will keep the flag flying in your garden. This versatile variety can be grown as a winter pansy or a summer bedding to give you plenty of colour throughout the year. With a compact, branching habit Pansy ‘Matrix Union Jack Mixed’ is adaptable to most situations, thriving in beds, borders, hanging baskets or flower pouches®. Height: 20cm (8"). Spread: 23cm (9").

 

Culinary note: Pansy flowers are edible.

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 36 plugs

    • Despatch: By end of August 2013
    •  
    • £12.99
    • 72 plugs

    • Despatch: By end of August 2013
    •  
    • £23.98 £16.99