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 102 products.
 

Buddleja 'Buzz'™ Collection

Buddleja davidii, Buddleia, Butterfly Bush

 Customer Rating
  • Unique triple award winner
  • World's first patio buddleja
  • Loved by butterflies and bees

A new twist on a much-loved garden favourite, 'Buzz'™ is the world's first patio buddleja! These attractive, compact plants are loved by bees and butterflies, but won't take over your garden. Buddleja 'Buzz'™ is easy to grow and problem-free with a super long-flowering period. Perfectly proportioned for patio pots and smaller gardens. Height and spread: 120cm (47”).
Collection comprises the following varieties. Please click on the product name to view the individual variety:
Buddleja 'Buzz™ Sky Blue'
Buddleja 'Buzz™ Magenta'
Buddleja 'Buzz™ Ivory'

Useful links:

How to grow Buddleja Buzz™

Gardening news: Top 10 best-selling plants of 2012

More info
    • 3 jumbo plug plants - 1 of each variety

    • Despatch: By end of October 2015
    • SAVE £11.98  
    • £26.97 £14.99

Buddleja 'Buzz'™ Collection

Buddleja davidii

  • World's first patio buddleja
  • Loved by butterflies and bees
A new twist on a much-loved garden favourite, 'Buzz'™ is the world's first patio buddleja! These attractive, compact plants are loved by bees and butterflies, but won't take over your garden. Buddleja 'Buzz'™ is easy to grow and problem-free with a super long-flowering period. Perfectly proportioned for patio pots and smaller gardens. Height and spread: 120cm (47”).
Collection comprises the following varieties.
Buddleja 'Buzz™ Candy Pink'- This fabulous dwarf patio Buddleja bears panicles of bubblegum pink flowers with a deliciously sweet fragrance.
Buddleja 'Buzz™ Velvet'- Easy to grow and problem-free with a super long-flowering period. Perfectly proportioned for patio pots and smaller gardens. Height when mature: 90-120cm.
Buddleja 'Buzz™ Indigo'- Dusky, deep blue flowers smother the short, bushy stems of Dwarf Buddleja Buzz™ Indigo', attracting clouds of butterflies to its nectar rich blooms.

 


Useful links:

How to grow Buddleja Buzz™

More info
    • 3 buddleja jumbo plug plants - 1 of each variety

    • Despatch: By end of September 2015
    •  
    • £14.99
    • 6 buddleja jumbo plug plants - 2 of each variety

    • Despatch: By end of September 2015
    •  
    • £24.99

Buddleja 'Buzz™ Ivory'

Buddleja davidii, Buddleia, Butterfly Bush

 Customer Rating
  • T&M exclusive breeding
  • The best plant to attract butterflies to your garden
  • Dwarf patio buddleja - won't take over your garden
  • 15cm (6in) flowers the size of usual buddlejas, but plants are half the size
  • Long-flowering, brightly-coloured blooms attract butterflies
  • Easy to grow and problem-free
  • Plants last more than 10 years
  • Customer favourite
A new twist on a much-loved garden favourite, 'Buzz'™ is the world's first patio buddleja! These attractive, compact plants are loved by bees and butterflies, but won't take over your garden. Buddleja '™ Ivory' is easy to grow and problem-free with a super long-flowering period. Perfectly proportioned for patio pots and smaller gardens. Height and spread: 120cm (47").

Useful links:

How to grow Buddleja Buzz™

More info
    • 1 buddleja jumbo plug plant

    • Despatch: By end of September 2015
    •  
    • £8.99

Buddleja 'Buzz'™ Collection

Buddleja davidii, Buddleia, Butterfly Bush

  • World's first patio buddleja
  • Loved by butterflies and bees

A new twist on a much-loved garden favourite, 'Buzz'™ is the world's first patio buddleja! These attractive, compact plants are loved by bees and butterflies, but won't take over your garden. Buddleja 'Buzz'™ is easy to grow and problem-free with a super long-flowering period. Perfectly proportioned for patio pots and smaller gardens. Height and spread: 120cm (47”).
Collection comprises the following varieties. Please click on the product name to view the individual variety:
Buddleja 'Buzz™ Indigo'
Buddleja 'Buzz™ Sky Blue'
Buddleja 'Buzz™ Magenta'
Buddleja 'Buzz™ Ivory'

Useful links:

How to grow Buddleja Buzz™

More info
    • 4 buddleja jumbo plug plants - 1 of each variety

    • Despatch: By end of October 2015
    • SAVE £5  
    • £19.99 £14.99
    • 8 buddleja jumbo plug plants - 2 of each variety

    • Despatch: By end of October 2015
    • SAVE £5  
    • £29.99 £24.99

Buddleja 'Buzz™ Magenta'

Buddleja davidii, Buddleia, Butterfly Bush

 Customer Rating
  • T&M exclusive breeding
  • The best plant to attract butterflies to your garden
  • Dwarf patio buddleja - won't take over your garden
  • 15cm (6in) flowers the size of usual buddlejas, but plants are half the size
  • Long-flowering, brightly-coloured blooms attract butterflies
  • Easy to grow and problem-free
  • Plants last more than 10 years
  • Customer favourite

A new twist on a much-loved garden favourite, 'Buzz'™ is the world's first patio buddleja! These attractive, compact plants are loved by bees and butterflies, but won't take over your garden. Buddleja 'Buzz™ Magenta' is easy to grow and problem-free with a super long-flowering period. Perfectly proportioned for patio pots and smaller gardens. Height and spread: 120cm (47").


Useful links:

How to grow Buddleja Buzz™

More info
    • 1 buddleja jumbo plug plant

    • Despatch: By end of September 2015
    •  
    • £8.99

Wallflower 'Sunset Orange'

Erysimum

  • New in 2015
We've hand-picked this special orange wallflower for its quick flowering to offer you fragrance and colour in autumn as well as spring. This tough performer establishes quickly after planting in autumn to offer a strong flush of fragrant flowers before winter. Wallflower 'Sunset Orange' loves the cooler weather, and is the perfect winter border filler As spring warms up the plants burst back into colour for a second show. Leave in place for a third hit of autumn flowers. Height and spread: 30cm (12").
More info
    • 36 wallflower plug plants

    • Despatch:
    •  
    • £11.99
    • Out of stock
    • 72 wallflower plug plants

    • Despatch:
    •  
    • £17.99
    • Out of stock

Osteospermum Collection (Hardy)

African Daisy, Cape Daisy

 Customer Rating

Versatile and resilient, hardy Osteospermums will thrive in hot, dry, neglected conditions, yet remain some of longest-flowering plants in the garden! Expect vibrant summer colour and weed suppressing ground cover from these easy to grow, sun loving Cape Daisies. Height: 15cm (6"). Spread: 90cm (36").

  • Collection comprises:
  • Osteospermum 'Snow Pixie' - A perfect contrast to its purple-pink coloured cousins, sporting clean, white petals with a golden yellow eye.
  • Osteospermum 'Tresco Purple' - Bold pink daisy flowers open every morning to greet the sun.
  • Osteospermum jucundum var. compactum - Irrepressibly cheerful, bright pink daisy flowers smother carpets of low growing foliage.
More info
    • 9 osteospermum jumbo plug plants - 3 of each variety

    • Despatch: By end of September 2015
    • SAVE £2  
    • £19.99 £17.99

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 'Peachy Keen' - New peach bloomed variety 'Peachy Keen' has an overwhelming amount of petals, further boosting the effect in your garden!
More info
    • 5 helianthemum jumbo plug plants - 1 of each variety

    • Despatch: By end of September 2015
    •  
    • £14.99
    • 10 helianthemum jumbo plug plants - 2 of each variety

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

Phlox Collection (Creeping)

Phlox subulata, Phlox douglasii, Moss Phlox

 Customer Rating
  • 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 'Fort Hill'
  • Phlox subulata 'Scarlet Flame'
  • Phlox subulata 'Emerald Cushion Blue'
More info
    • 5 phlox Postiplug plants

    • Despatch: By end of October 2015
    •  
    • £11.99
    • 10 phlox Postiplug plants

    • Despatch: By end of October 2015
    • SAVE £5.99  
    • £23.98 £17.99

Gaillardia 'Snappy'

Blanket Flower

  • New in 2015
  • Finally, a gaillardia that lasts for years in the garden
Finally, a long-lasting gaillardia for years of pleasure in the garden. Blanket Flowers have a reputation for being unreliably perennial but new Gaillardia ‘Snappy’ makes that a thing of the past. We can now offer you unrivalled flower power alongside true perennial reliability for years of vibrant border and container colour. This world-class introduction offers non-stop flowering on sturdy, compact, upright plants from mid-summer through to late autumn. The red and yellow blooms also take on a purple sheen in the summer sunshine and will be much loved by bees, butterflies and other pollinators. Height and spread: 30cm (12").
More info
    • 5 gaillardia Postiplug plants

    • Despatch: By end of September 2015
    • SAVE £3  
    • £9.99 £6.99
    • 10 gaillardia Postiplug plants

    • Despatch: By end of September 2015
    • SAVE £3  
    • £14.99 £11.99

Foxglove 'Dalmatian Mixed'

Digitalis purpurea

Digitalis 'Dalmatian Mixed' looks magnificent in cottage gardens and woodland borders - but thanks to their uniform branching habit, these statuesque foxgloves make fabulous annual bedding too! These short lived perennials will happily seed about to create dramatic drifts and attract wildlife to their nectar rich flowers. Height: 50cm (20"). Spread: 40cm (16").

Useful links:

Gardening news: Move over marigolds... new bedding plants fly in the face of tradition

More info
    • 6 foxglove plug plants

    • Despatch: By end of September 2015
    •  
    • £5.99
    • 24 foxglove plug plants

    • Despatch:
    •  
    • £12.99
    • Out of stock

Eryngium planum 'Blue Hobbit' (Large Plant)

Sea Holly, Blue Eryngo

Eryngium are handy little plants for the border, as they'll grow in many different types of soil, and the flower power of Eryngium 'Little Hobbit' is second to none!

Eryngium 'Little Hobbit' is a unique, dwarf Eryngium, which can be grown in a patio pot. The 30cm (12") plants become top-heavy in midsummer, with sprays of nearly 100 inky-blue flowers. Height and Spread: 30cm (12").

More info
    • 1 x 1 litre potted eryngium plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 2 x 1 litre potted eryngium plants

    • Despatch: By end of September 2015
    •  
    • £16.99