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 36 products.
 

Blechnum brasiliense 'Volcano'

Dwarf Brazilian Tree Fern, Hard Fern

  • New in 2015
Are Dicksonia tree ferns too large or expensive for you? We've found the answer - try the dwarf Brazilian tree fern instead! Blechnum brasiliensis 'Volcano' is an exciting new find for the home gardener, only recently introduced to the UK, but sure to be the next big thing! Compact plants lend themselves well to growing in patio pots; and throw up huge fronds up to 70cm (28") tall. The young fronds unfurl in a bronze volcanic hue turning a shiny green as they open. A relative of our native Deer Fern, this tender exotic fern thrives in low light, so it's perfect for giving a tropical touch to your home and garden. With tropical origins, Blechnum brasiliense is hardy enough to be grown in most UK gardens but will appreciate a sheltered spot and some winter protection. Height: 90cm (36"). Spread: 70cm (28").
More info
    • 1 x 9cm potted blechnum plant

    • Despatch: By end of September 2015
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    • £12.99
    • 2 x 9cm potted blechnum plants

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

Euphorbia amygdaloides 'Ruby Glow' (Large Plant)

Milkweed, Spurge

  • New in 2015

This handsome evergreen perennial produces vivid bright green flower bracts that seemingly glow above ruby-red foliage. As the foliage ages it becomes near black throughout the cold winter months before producing a new flush of vibrant red leaves in spring. Euphorbia amygdaloides 'Ruby Glow' has a neat compact habit producing rounded, well branched plants that look magnificent grown in large swathes. A colourful choice for moist borders. Although this Spurge will happily tolerate light shade, it is best grown in full sun for the strongest colour. Height and spread: 45cm (18").

More info
    • 1 x 2 litre potted euphorbia plant

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 2 litre potted euphorbia plants

    • Despatch:
    •  
    • £17.99
    • Out of stock

Hellebore 'Black Swan'

Helleborus × hybridus

  • New in 2015
  • T&M Exclusive
  • Grow the most prestigious Christmas Rose in your garden
Winter-flowering hellebores are true garden gems, producing luxuriant blooms when little else is in growth, let alone flower! Fresh from our unique hellebore breeding programme we have hit on the perfect form and habit with Hellebore 'Black Swan'. The sumptuously dark velvety petals, starkly contrasted by pure white stamens, are a vast improvement on older black-flowered hellebore plants. Where older types tend to face their blooms to the soil below, 'Black Swan' holds its jet-black blooms up for all to see. This classy performer deserves a place in every garden as the star attraction through winter. Height and spread: 60cm (2').
More info
    • 1 x 9cm potted hellebore plant

    • Despatch: By end of July 2015
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    • £9.99
    • 3 x 9cm potted hellebore plants

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

Hellebore 'Washfield Doubles'

Helleborus x hybridus

 Customer Rating

Breathtaking, double-flowered hellebores from the 'Washfield' collection that are bred to perfection. Intriguing colours, patterns, flecks and ruffles are a sheer delight during the cold months of winter and early spring, while their leathery palmate foliage has an evergreen presence all year round. These delightful doubles come in a wide colour range including yellows, greens, blacks, reds, apricots and many other shades. Height and spread: 40cm (16").

More info
    • 5 hellebore jumbo plug plants

    • Despatch: By end of July 2015
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    • £13.99
    • 10 hellebore jumbo plug plants

    • Despatch: By end of July 2015
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    • £18.99

Aristolochia elegans

Aristolochia littoralis, Dutchman's Pipe

  • New in 2015
A show stopping half hardy climber for the summer garden or conservatory. The blooms of the Dutchman's Pipe are highly sought after and we are pleased to have sourced this stunning Brazilian vine for all you would-be plant hunters. The exotic 7.5cm (3") flowers take on a unique rich purple-brown hue overlaid with a creamy white patina and exude a soft fragrance. The soft lush foliage is over-sized and heart-shaped - everything about this plant is spectacular. Aristolochia plants will enjoy a warm conservatory over winter, but as you can see, a little fuss is well worth the effort! Height: up to 8m (26'). Spread: 100cm (3').
More info
    • 1 x 9cm potted aristolochia plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 9cm potted aristolochia plants

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

Red Hot Poker 'Fire Dance' (Large Plant)

Kniphofia, Torch Lily

The Red Hot Poker is instantly recognisable. This reliable perennial is an old favourite for mixed herbaceous borders. Kniphofia 'Fire Dance' is a particularly useful selection, as it's extremely cold hardy. The scarlet and yellow blooms rise above dense clumps of evergreen foliage in summer.Plants also prove remarkably rabbit proof and these robust plants are loved by bees and butterflies too. Height: 50cm (20") Spread: 60cm (24"). More info
    • 1 x 1 litre potted red hot poker plant

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 1 litre potted red hot poker plants

    • Despatch:
    •  
    • £16.99
    • Out of stock

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

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

Ajuga reptans f. albiflora 'Alba' (Large Plant)

Bugle

This useful hardy perennial forms dense mats of evergreen foliage that makes superb ground cover. From late spring to early summer, Ajuga reptans f. albiflora 'Alba' is decorated with small white flower spikes that will brighten even the darkest corner of your garden. The nectar rich flowers are a magnet for pollinating insects. Commonly known as Bugle, this tough, reliable plant will grow on virtually any soil, and positively thrives in those tricky shaded areas, even where soils are poor. This versatile perennial plant is ideal for creeping through woodland areas, rockeries, or at the front of cottage garden borders. Height: 20cm (8"). Spread: 60cm (24"). More info
    • 1 x 1 litre potted ajuga plant

    • Despatch: By end of July 2015
    •  
    • £7.99
    • 2 x 1 litre potted ajuga plants

    • Despatch: By end of July 2015
    •  
    • £12.99

Gunnera manicata (Large Plant)

Chilean Rhubarb

Gunnera is the 'big daddy' of the gardening world. The giant evergreen leaves can reach 1-2 metres across, and will add the wow factor to any garden, although isn't necessarily suitable for smaller gardens!

Also affectionately known as Giant Rhubarb, Gunnera is robust, spectacular and architectural. They make great specimen plants bog gardens and waterlogged spots, the reflection in water is especially beautiful. Gunnera manicata holds an RHS Award of Garden Merit too. Height: 2.5m (8') Spread: 4m (13').

More info
    • 1 x 1 litre potted gunnera plant

    • Despatch: By end of October 2015
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    • £9.99
    • 2 x 1 litre potted gunnera plants

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

Ajuga reptans 'Black Scallop' (Large Plant)

Ajuga reptans 'Binblasca', Bugle

Ajuga reptans 'Black Scallop' is a highly attractive variety of Bugle. The violet blue flower-spikes appear from late spring against a dense matt of glossy, liquorice-black foliage. This dark leaved perennial is more sun tolerant than many cultivars, with the foliage becoming blacker when grown in full sun. A superb groundcover plant, Bugle is a tough and reliable evergreen that copes in almost any soil conditions. Ajuga reptans 'Black Scallop' is particularly effective at the front of borders, creeping through rockeries or as groundcover in wildlife gardens where it will attract pollinating insects. Height: 15cm (6"). Spread: 60cm (24"). More info
    • 1 x 1 litre potted ajuga plant

    • Despatch: By end of July 2015
    •  
    • £7.99
    • 2 x 1 litre potted ajuga plants

    • Despatch: By end of July 2015
    •  
    • £12.99

Pulmonaria 'Sissinghurst White' (Large Plant)

Pulmonaria officinalis, Lungwort

Despite its unattractive common name of Lungwort, Pulmonaria is a very pretty hardy perennial for ground cover in shady corners, or beneath trees and shrubs. The foliage of Pulmonaria 'Sissinghurst White' is felted, and mottled in white, and accompanied by striking white flowers throughout the summer. Bees love the nectar-rich blooms of Pulmonaria, and this variety is such a reliable plant that it has been awarded an RHS Award of Garden Merit. Excellent for cottage gardens and woodland plantings. Height: 30cm (12"). Spread: 45cm (18"). More info
    • 1 x 1 litre potted pulmonaria plant

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