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.


For beautiful summer flowers browse our range of annual plants.



We have found 18 products.
 

Sedum telephium 'Purple Emperor' (Large Plant)

Stonecrop

A particularly stylish Sedum with succulent burgundy-black foliage that adds a touch of drama to the front of borders. In late summer, Sedum telephium 'Purple Emperor' produces wide panicles of ruby-red flowers that persist well into autumn. The striking blooms are loved by butterflies and provide a useful source of late season nectar for pollinating insects. This superb hardy perennial holds an RHS AGM for its garden performance. An excellent choice for hot, sunny borders and exotic planting schemes. Height and spread: 45cm (18"). More info
    • 1 x 2 litre potted sedum plant

    • Despatch: By end of February 2016
    •  
    • £11.99
    • 2 x 2 litre potted sedum plants

    • Despatch: By end of February 2016
    •  
    • £18.99

Heuchera 'Berry Smoothie' (Large Plant)

Coral Flower, Coral Bells

Claret red veins pattern the pink foliage of Heuchera 'Berry Smoothie', which slowly ages to a deep burgundy by autumn. This new introduction is another eye-catching variety of this popular evergreen perennial. The creamy white flowers add extra interest in summer and prove particularly attractive to pollinating insects. A lovely choice for providing year round interest in patio containers and borders. Height: 45cm (18"). Spread: 50cm (20"). More info
    • 1 x 1 litre potted heuchera plant

    • Despatch: By end of May 2016
    •  
    • £9.99
    • 2 x 1 litre potted heuchera plants

    • Despatch: By end of May 2016
    •  
    • £17.99

Sedum 'Matrona' (Large Plant)

Sedum telephium, Stonecrop

Sedum will attract butterflies to the garden in their droves. Sedum plants are long-lasting, hardy and drought tolerant. Sedum 'Matrona' forms a clump of foliage, with a unique bronze tinge, contrasting beautifully with its pink autumn blooms.

Sedum will thrive in hot, sunny borders, and are ideal for beginners. Their autumn flowering period is welcomed, bringing new colour to the garden as summer bedding dipslays fade away! Height: 75cm (30"). Spread: 30cm (12").

More info
    • 1 x 3.5 litre potted sedum plant

    • Despatch:
    •  
    • £10.99
    • Out of stock
    • 2 x 3.5 litre potted sedum plants

    • Despatch:
    •  
    • £19.99
    • Out of stock

Actaea simplex 'Black Negligee' (Atropurpurea Group)

Bugbane, Cimicifuga

Dramatic, finely cut, jet black foliage contrasts beautifully with the architectural plumes of fragrant, creamy white flowers. The bottlebrush blooms of Actaea simplex 'Black Negligee' are gently scented, appearing late in the season from September, just as other plants are fading. Bugbane is a particularly useful hardy perennial, adding stature and impact to damp, shady spots. Perfect for cottage garden borders and woodland planting schemes. Height: 120cm (47"). Width: 60cm (24").
More info
    • 1 x actaea jumbo plug plant

    • Despatch: By end of July 2016
    •  
    • £9.99

Heuchera 'Melting Fire' (Large Plant)

Coral Flower, Coral Bells

The deeply curled foliage of Heuchera hybrida 'Melting Fire' emerges a rich blood red colour and matures to a dark shade of purple-red. This eye-catching coral flower is strong growing, forming large clumps of foliage with good weather tolerance. Admired for their long season of interest, Heucheras are ideal for adding colourful, semi-evergreen foliage to borders and mixed containers. Height and spread: 40cm (16"). More info
    • 1 x 2 litre potted heuchera plant

    • Despatch: By end of May 2016
    •  
    • £9.99
    • 2 x 2 litre potted heuchera plants

    • Despatch: By end of May 2016
    •  
    • £16.99

Bergenia 'Dragonfly Angel Kiss' (Large Plant)

Elephant's Ears

A lovely cultivar of a cottage garden favourite! Bergenia 'Dragonfly Angel Kiss' forms neat clumps of glossy evergreen foliage that turns a deep shade of claret during the winter months. In spring, this provides the perfect backdrop for its beautiful white flowers that age to palest pink. Commonly known as Elephant Ears, this hardy perennial is extremely easy to grow in almost any site or soil, and needs very little maintenance. Perfect for creating eye catching ground cover. Height: 25cm (10"). Spread: 30cm (12"). More info
    • 1 x 2 litre potted bergenia plant

    • Despatch: By end of February 2016
    •  
    • £12.99
    • 2 x 2 litre potted bergenia plants

    • Despatch: By end of February 2016
    •  
    • £19.99

Bergenia 'Dragonfly Sakura' (Large Plant)

Elephant's Ears

Reliable evergreen ground cover with astonishing winter colour! The glossy, rounded foliage of Bergenia 'Dragonfly Sakura' turns from lush green to rich purple-black throughout the coldest months. From March, the dark foliage is the perfect backdrop for the candy pink flowers that rise above it. The pretty blooms provide invaluable food for pollinating insects early in the year, and make dainty cut flowers too. Elephant Ears is a reliable, no maintenance hardy perennial - perfect for the front of cottage garden borders. Height: 25cm (10"). Spread: 30cm (12"). More info
    • 1 x 2 litre potted bergenia plant

    • Despatch: By end of February 2016
    •  
    • £12.99
    • 2 x 2 litre potted bergenia plants

    • Despatch: By end of February 2016
    •  
    • £19.99

Bergenia 'Pink Dragonfly' (Large Plant)

Elephant's Ears

This cottage garden favourite is regaining popularity for its glossy evergreen foliage and bright-pink spring blooms. Bergenia 'Pink Dragonfly' flowers mostly in spring, but also produces extra flushes into midsummer. The narrow foliage of this variety remains green throughout the growing season before taking on tones of plum-red during the winter months. A superb perennial for the front of borders, and a useful addition to wildlife gardens where its nectar rich blooms will attract pollinating insects. Height: 25cm (10"). Spread: 30cm (12"). More info
    • 1 x 2 litre potted bergenia plant

    • Despatch: By end of February 2016
    •  
    • £12.99
    • 2 x 2 litre potted bergenia plants

    • Despatch: By end of February 2016
    •  
    • £19.99

Heuchera 'Obsidian' (Large Plant)

Coral Flower, Coral Bells

This striking Coral Flower makes a bold statement. Fine sprays of creamy white flowers stand out against the glossy, deep maroon-black foliage. The nectar rich flowers of Heuchera 'Obsidian' attract pollinating insects and bring a light, airy feel to cut flower arrangements. This hardy evergreen perennial retains its elegant looks all year round, making it particularly useful for ground cover when planted en-masse. Perfect for individual patio pots or creating a sophisticated 'Black-tie' look in borders. Height: 45cm (18"). Spread: 30cm (12"). More info
    • 1 x 1 litre potted heuchera plant

    • Despatch: By end of May 2016
    •  
    • £9.99
    • 2 x 1 litre potted heuchera plants

    • Despatch: By end of May 2016
    •  
    • £17.99

Lobelia cardinalis 'Queen Victoria' (Large Plant)

Cardinal Flower, Lobelia fulgens, Lobelia splendens

Tall spikes of deep maroon foliage topped by glowing scarlet blooms bring a welcome splash of late summer colour, when many flowers have already faded. This exotic looking, short lived perennial is ideal for filling gaps in damp borders, and looks spectacular planted beside ponds and streams. Height: 90cm (36"). Spread: 30cm (12"). More info
    • 1 x 1 litre potted lobelia plant

    • Despatch: By end of February 2016
    •  
    • £9.99
    • 1 x 3 litre potted lobelia plant

    • Despatch: By end of February 2016
    •  
    • £12.99
    • 2 x 1 litre potted lobelia plants

    • Despatch: By end of February 2016
    •  
    • £14.99
    • 2 x 3 litre potted lobelia plants

    • Despatch: By end of February 2016
    •  
    • £19.99

Heuchera villosa 'Palace Purple'

Coral Flower, Coral Bells

 Customer Rating
Neat mounds of distinctive purple foliage make Heuchera 'Palace Purple' a particularly popular Coral Flower. The glossy, semi-evergreen leaves of this striking hardy perennial provide year round colour, forming drifts of ground cover and adding a bright splash to winter containers. The delicate summer sprays of pale pink flowers make dainty cut flowers and attract bees to their nectar rich blooms. Height and spread: 60cm (24").
More info
    • 6 heuchera plug plants

    • Despatch:
    •  
    • £5.99
    • Out of stock
    • 12 heuchera plug plants

    • Despatch:
    •  
    • £8.99
    • Out of stock

Penstemon 'Dark Towers'

Dark bronze semi-evergreen foliage makes the perfect backdrop for the tubular, bright pink flowers of Penstemon 'Dark Towers'. Blooming from midsummer until the first frosts, the long lasting flowers are irresistible to pollinating insects, adding colour to borders long after other summer flowering perennials have faded. This resilient, carefree hardy perennial is undemanding and easy to grow, tolerating almost any position in the garden, regardless of rain or drought, and even resisting slug damage! Height: 75cm (30"). Spread: 40cm (16"). More info
    • 3 penstemon jumbo plug plants

    • Despatch:
    •  
    • £12.99
    • Out of stock
    • 6 penstemon jumbo plug plants

    • Despatch:
    • SAVE £8.99  
    • £25.98 £16.99
    • Out of stock