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 8 products.
 

Geranium himalayense 'Birch Double'

Geranium himalayense 'Plenum', Hardy Geranium, Cranesbill

Vigorous and versatile, this superb cranesbill tolerates almost any situation; even full shade. A mass of double purple-pink blooms stand above the delicately serrated foliage which turns to shades of burnt red and orange in autumn. Geranium himalayense 'Birch Double' will quickly blend with other herbaceous perennials to create colourful groundcover and looks equally attractive in herbaceous borders and shady woodland gardens. Height: 25cm (10”). Spread: 60cm (24”). More info
    • 1 bareroot plant

    • Despatch: By end of November 2014
    •  
    • £12.99

Geranium 'Rozanne'

Geranium 'Gerwat'

  • Winner of The RHS Chelsea Flower Show 'Plant of the Centenary'
  • Unique long-flowering period for a Hardy Geranium

A celebrated Cranesbill producing masses of saucer shaped, violet-blue blooms with dainty white centres. Being a sterile hybrid, Geranium 'Rozanne' flowers repeatedly throughout the summer and won’t self-seed like other Geraniums. This hardy perennial makes excellent ground cover through the front of informal borders or spilling from containers. As summer ends the loose mounds of foliage colour to reddish brown and fiery orange for an extended display into autumn. Height: 30cm (12"). Spread: 60cm (24").


Useful links:

Geranium 'Rozanne gets our vote for RHS 'Plant of the Centenary'

 

More info
    • 1 jumbo plug plant

    • Despatch: By end of August 2014
    •  
    • £9.99
    • 3 jumbo plug plants

    • Despatch: By end of August 2014
    •  
    • £19.98

Heteropappus meyendorfii

Blue Chrysanthemum

  • New in 2014
  • Hundreds of electric blue blooms
Like a little blue Chrysanthemum, this fabulous plant produces an abundance of blooms from late summer, and continues throughout autumn. Heteropappus meyendorfii is a colourful, late flowering hardy annual with a lovely spreading habit. This pretty little daisy is perfect for filling gaps in containers and late summer borders when other plants are beginning to fade. Height: 30cm (12"). Spread: 45cm (18").
More info
    • 5 Postiplug plants

    • Despatch: By end of August 2014
    •  
    • £8.99
    • 10 Postiplug plants

    • Despatch: By end of August 2014
    • SAVE £4.99  
    • £17.98 £12.99

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 plug plants

    • Despatch: By end of September 2014
    •  
    • £13.99
    • 10 jumbo plug plants

    • Despatch: By end of September 2014
    •  
    • £19.99
    • 20 jumbo plug plants

    • Despatch: By end of September 2014
    • SAVE £28.97  
    • £55.96 £26.99

Heuchera 'Patchwork' Mix

Coral Flower, Coral Bells

 Customer Rating
  • Mail Order Exclusive

Sprays of delicate, tiny flowers float on wiry stems above neat mounds of vibrant foliage. Prized for their colourful leaves, these versatile semi-evergreen perennials make excellent drifts of ground cover, adding a distinctive splash of colour to the front of borders, or even brightening winter containers. Their airy blooms attract bees and are also useful as cut flowers. Height and spread: 40cm (16”).


More info
    • 3 Postiplugs

    • Despatch: By end of August 2014
    • + FREE £5 voucher  
    • £16.99
    • 6 Postiplugs

    • Despatch: By end of August 2014
    • + FREE £5 voucher  
    • £19.99

Campanula 'Mixed'

Bellflower

  • Exclusive collection
A robust mix of Campanula plants bearing semi-double, cup-shaped blooms in shades of white, purple and blue. These pretty flowers are borne in abundance on tall, slender stems from May to July, making a wonderful addition to the middle of perennial borders. Campanula 'Mixed' is ideal for creating drifts of summer colour in cottage garden borders where it will return year after year. Height: 75cm (30"). Spread: 45cm (18").
More info
    • 3 x 7cm potted plants

    • Despatch: By end of August 2014
    •  
    • £19.99
    • 6 x 7cm potted plants

    • Despatch: By end of August 2014
    • SAVE £14.99  
    • £39.98 £24.99

Osteospermum 'Tresco Purple' (Hardy)

Osteospermum 'Nairobi Purple', African Daisy, Cape Daisy

Bold pink daisy flowers open every morning to greet the sun. Versatile and resilient, hardy Osteospermum 'Tresco Purple' will thrive in hot, dry, neglected conditions and yet is one of the longest-flowering plants in the garden! Expect vibrant summer colour and weed suppressing ground cover from this easy to grow, sun loving Cape Daisy. Height: 15cm (6"). Spread: 90cm (36"). More info
    • 3 jumbo plug plants

    • Despatch: By end of August 2014
    •  
    • £13.99

Periwinkle 'Collection'

Vinca

  • New in 2014
Problem solving periwinkle has it all! Thriving in dim corners where even grass won’t grow periwinkle will grow vigorously and flower relentlessly with rich and vibrant blooms. What’s more, it will beat the weeds too!
More info
    • 6 jumbo plug plants

    • Despatch: By end of August 2014
    •  
    • £16.99
    • 12 jumbo plug plants

    • Despatch: By end of August 2014
    • SAVE £10.99  
    • £33.98 £24.99