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.



We have found 20 products.
 

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: By end of July 2015
    •  
    • £12.99
    • 6 penstemon jumbo plug plants

    • Despatch: By end of July 2015
    • SAVE £8.99  
    • £25.98 £16.99

Heuchera villosa 'Palace Purple' (Large Plant)

Heuchera sanguinea 'Palace Purple', Coral Flower, Coral Bells

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
    • 1 x 2 litre potted heuchera plant

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 2 x 2 litre potted heuchera plants

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

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 2015
    •  
    • £9.99
    • 3 x actaea jumbo plug plants

    • Despatch: By end of September 2015
    • SAVE £4.99  
    • £19.98 £14.99

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 Ð 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 July 2015
    •  
    • £12.99
    • 2 x 2 litre potted bergenia plants

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

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 July 2015
    •  
    • £9.99
    • 2 x 2 litre potted heuchera plants

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

Oxalis 'Sunny' (Large Plant)

Shamrock, Sorrel

The Burgundy Shamrock is versatile, and can be used in summer patio pots, bedding, borders, rockeries, or beneath trees and shrubs. Oxalis 'Sunny' is particuarly handsome, with leaves carrying in burgundy and ruby colourings.

The rich foliage is accompanied by tubular pink flowers from spring to summer. In very mild areas, Oxalis can be grown in sheltered borders or patio pots. The spring foliage looks especially pretty against spring bulbs. Height: 20cm (8"). Spread: 30cm (12").

More info
    • 1 x 2 litre potted oxalis plant

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 2 x 2 litre potted oxalis plants

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

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 displays fade away! Height: 75cm (30"). Spread: 30cm (12"). More info
    • 1 x 1 litre potted sedum plant

    • Despatch: By end of July 2015
    •  
    • £7.99
    • 1 x 2 litre potted sedum plant

    • Despatch: By end of July 2015
    •  
    • £11.99
    • 2 x 1 litre potted sedum plants

    • Despatch: By end of July 2015
    •  
    • £12.99
    • 2 x 2 litre potted sedum plants

    • Despatch: By end of July 2015
    •  
    • £18.99

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 July 2015
    •  
    • £11.99
    • 2 x 2 litre potted sedum plants

    • Despatch: By end of July 2015
    •  
    • £18.99

Corydalis flexuosa 'Purple Leaf' (Large Plant)

Pseudofumaria

Corydalis flexuosa 'Purple Leaf' is an unusual garden plant, which is often admired. Plants may look delicate, but they're quite robust, and enjoy our cool English summers. Flowering can often persist from late spring into the middle of summer.

Corydalis plants will effortlessly form clumps in borders, rockeries and shady corners. The foliage is ferny and purple, tinged with red. The accompanying flowers are tubular and in a dashing shade of bottle blue. Height: 15cm (6"). Spread: 50cm (19").

More info
    • 1 x 1 litre potted corydalis plant

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 2 x 1 litre potted corydalis plants

    • Despatch: By end of August 2015
    •  
    • £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 July 2015
    •  
    • £12.99
    • 2 x 2 litre potted bergenia plants

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

Ligularia dentata 'Midnight Lady' (Large Plant)

Are you looking for a statement plant for your border? Ligularia dentata 'Midnight Lady' is the perfect choice. Giant, architectural foliage in deep bronze, with golden-orange daisy flowers on dark stems.

Ligularia plants can be grown in reliably moist soil, making them ideal for those damp, shady corners and spectacular waterside plants. Ligularia are deer and rabbit resistant, yet adored by bees and butterflies. Height: 1m (39"). Spread: 75cm (30").

More info
    • 1 x 1 litre potted ligularia plant

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 2 x 1 litre potted ligularia plants

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

Ajuga reptans 'Catlins Giant' (Large Plant)

Bugle

Bugle is an easy to grow, spreading evergreen plant, which is perfect for a difficult shady corner. Ajuga ‘Caitlin's Giant' is a robust, low-maintenance variety with glossy leaves, and erect spikes of purple-blue flowers during the summer.

Ajuga are ideal for moist, shady corners of the garden and are maintenance-free. Plants are tight and mat-forming, and will stop weeds coming through their tough blanket of foliage and flowers. Height: 50cm (20"). Spread up to 1m (39").

More info
    • 1 x 1 litre potted ajuga plant

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 2 x 1 litre potted ajuga plants

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