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, 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 26 products.
 
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
Primrose Husky Mixed

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
Polyanthus 'Firecracker'

Polyanthus 'Firecracker'

Primula
  • NEW in 2013
Wow - this variety really brings the traditional polyanthus into the 21st century! They look like lollypops with their strong upright stems, topped with sunset-coloured florets, jostling for attention. Perfect for jazzing up your spring pots and borders. More info
    • 12 plugs

    • Despatch: By end of August 2013
    •  
    • £8.99
    • 24 plugs

    • Despatch: By end of August 2013
    • SAVE £4.99  
    • £17.98 £12.99
Delosperma Hardy Mixed

Delosperma 'Hardy Mixed'

Hardy Ice Plant
 Customer Rating
  • Vigorous ground cover, even in the driest of soils

Unique, versatile and vibrant! The fleshy, drought tolerant creeping stems of these hardy Ice Plants make ideal ground cover on sunny banks and poor stony soils. The showy daisy-like flowers of Delosperma ‘Hardy Mixed’ create a carpet of intense colour, in exclusive new shades that will stop you in your tracks. Fantastic for those hot, dry problem areas where many other plants would fail to establish. Height: 10cm (4"). Spread: 60cm (24").

 More info
    • 5 jumbo plugs

    • Despatch: By end of August 2013
    •  
    • £13.99
    • 10 jumbo plugs

    • Despatch: By end of August 2013
    •  
    • £19.99
    • 20 jumbo plugs

    • Despatch: By end of September 2013
    • SAVE £28.97  
    • £55.96 £26.99
Aubrieta Royal Mixed

Aubrieta 'Royal Mixed'

Aubretia

  Customer Rating
These tough little plants will thrive in the poorest of soils, forming dense mats of evergreen foliage. Aubretia ‘Royal Mixed’ produces masses of colourful flowers in spring that will brighten rockeries, spill from containers and creep through cracks in walls and paving. Height: 10cm (4”); spread 60cm (24”). More info
    • 36 plugs

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

    • Despatch: By end of September 2013
    • SAVE £4.99  
    • £19.98 £14.99
Dianthus 'Rainbow Loveliness Improved Mixed'

Dianthus 'Rainbow Loveliness Improved Mixed'

Pink
  • NEW in 2013
With its raggedy jagged petals, all crimped and tassled, this is a dramatically different dianthus. Its gentle fragrance is much more appealing than some of the more overpowering clove-scented types. This is something very different for your borders and patio pots. More info
    • 12 plugs

    • Despatch: By end of August 2013
    •  
    • £8.99
    • 24 plugs

    • Despatch: By end of August 2013
    • SAVE £4.99  
    • £17.98 £12.99
Helianthemum Collection

Helianthemum Collection

Rock Rose, Sun Rose
These tough little rock roses are hardy, drought tolerant and trouble-free, producing glorious colour from late spring to midsummer. If pruned after flowering, they'll even reward you with a second flush of blooms in late summer! The nectar-rich flowers, set against a backdrop of silvery, semi-evergreen foliage, are loved by bees and other insects. This helianthemum collection makes excellent groundcover or a versatile addition to rockeries or hot, dry borders. Height: 20cm (8”). Spread: 30cm (12”).
  • Collection comprises the following varieties:
  • Helianthemum ‘Ben Mohr’ – Orange, saucer shaped flowers.
  • Helianthemum ‘Pink Angel’ – An abundance of delicate double, pink flowers.
  • Helianthemum ‘The Bride’ – A pretty, white rock rose with an RHS Award of Garden Merit.
  • Helianthemum ‘Ben Fhada’ – Bright, primrose yellow blooms with golden egg-yolk centres.
  • Helianthemum ‘Fireball’ – Fantastic double scarlet petals.
 More info
    • 5 jumbo plugs - 1 of each variety

    • Despatch: By end of June 2013
    •  
    • £12.99
    • 10 jumbo plugs - 2 of each variety

    • Despatch: By end of June 2013
    • SAVE £7.99  
    • £25.98 £17.99
Primrose 'Mega Mixed'

Primrose 'Mega Mixed'

Primula
  • NEW in 2013
Liven up your spring garden with these amazing giant-flowered primroses! Massive blooms of up to 8cm (3") with a sweet perfume are produced in an array of strong colours over a long period. Primrose 'Mega Mixed' will return year after year to transform your beds, borders and containers each spring. Sure to be a talking point in the garden, try planting up a few pots for your windowsill and enjoy their fresh fragrance in your home. Height and spread: 23cm (9"). More info
    • 36 plugs

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

    • Despatch: By end of August 2013
    • SAVE £6.99  
    • £23.98 £16.99
Buddleja 'Flower Power'

Buddleja 'Flower Power'

Buddleja x weyeriana 'Bicolor', Buddleia, Butterfly Bush

  Customer Rating
  • 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 July 2013
    •  
    • £12.99
    • 3 jumbo plugs

    • Despatch: By end of July 2013
    • Treble up 1 to 3 plugs for 1p extra  
    • £13.00
Primrose ?World's Most Scented Mix?

Primrose 'World's Most Scented Mix'

Primula

- The best ever fragrance mix
- Citrus and honey fragrance
- Colour throughout winter and spring

 

Let the sweet citrus scent and the fresh colour mix of these gorgeous primroses transport you into spring. Primrose ‘Worlds Most Scented Mix’ is our best ever selection of fragrant primroses in a range of bright, cheery colours that will look fabulous planted among your spring bulbs. Grow some in a pot by the back door to really enjoy their perfume. 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
    •  
    • £10.99
    • 72 plugs

    • Despatch: By end of August 2013
    •  
    • £15.99
Polyanthus 'Most Scented Mix'

Polyanthus 'Most Scented Mix'

Primula
  • The most scented polyanthus
We’ve sniffed all the polyanthus we could find to be able to make up this exclusive mix for you! Each fresh colour has a lovely, strong fragrance, to bring you a true scent of spring. From late winter, these vigorous perennials produce plenty of flowers on short, stocky stems, above neat rosettes of lush foliage. Fill all your pots and borders with Polyanthus ‘Most Scented Mix’ for a riot of scent and colour even on the dreariest winter days! Height and 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
    •  
    • £10.99
    • 72 plugs

    • Despatch: By end of August 2013
    •  
    • £15.99
Primrose 'Alaska Improved Mixed'

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