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 12 products.
 

Pennisetum 'Blackjack'

Fountain Grass

  • Add texture and movement to your garden
  • A real designer's plant

Ornamental grasses add an architectural element to planting schemes, while their airy foliage adds movement as it catches the breeze. Pennisetum 'Blackjack' went down a storm in our summer trial garden! The shimmering, deep purple stems go on to produce black feathery plumes throughout the summer. The fluffy seedheads can be cut to make elegant dried flowers or left on the plants to give garden birds a seasonal treat. Add these pennisetum plants to beds, borders and containers to get the designer’s look in your garden this season. Height: 1.2m (4'). Spread: 45cm (18")
More info
    • 5 Postiplug plants

    • Despatch: By end of April 2016
    •  
    • £9.99
    • 10 Postiplug plants

    • Despatch: By end of April 2016
    • SAVE £4.99  
    • £19.98 £14.99

Cyclamen 'Miracle Mixed'

Sowbread

We've selected the very best cyclamen to brighten your garden this autumn - so when the weather is cool, your planting scheme doesn't have to be! The vibrant pink, purple and rose shades of 'Miracle Mixed' will brighten the dullest autumn days.


This strong colour mix is ideal for border and container displays and is the perfect choice for lifting the shade under trees and shrubs - adding a natural winter woodland feel to the garden. The silver and green foliage adds extra interest. To really enjoy the display why not add Cyclamen 'Miracle Mixed' to window boxes or hanging baskets, where you'll also get to appreciate the subtle sweet scent of these mini cyclamen plants. Height: 20cm (8in). Spread: 20cm (8in).

More info
    • 3 x 9cm potted cyclamen plants

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 6 x 9cm potted cyclamen plants

    • Despatch:
    • SAVE £1.99  
    • £19.98 £17.99
    • Out of stock

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’).

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted gunnera plant

    • Despatch: By end of February 2016
    •  
    • £9.99
    • 2 x 1 litre potted gunnera plants

    • Despatch: By end of February 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").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
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").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
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").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
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

Pachysandra terminalis 'Green Carpet' (Large Plant)

Pachysandra terminalis ‘Green Carpet’ is an excellent plant for creating a carpet of green beneath trees and shrubs. Plants are mat-forming, and excellent at stopping weeds from taking hold. The evergreen foliage is textured, decorative and plays host to spikes of misty white flowers from early summer.

Easy to grow ground cover for awkward, shady borders, Pachysandra is the perfect choice for low-maintenance gardening. Plants stay low at just 15cm (6") and are ideal for small, oddly-shaped areas, edgings or patio containers. Height: 15cm (6"). Spread: up to 1m (39").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 9cm potted pachysandra plant

    • Despatch: By end of February 2016
    •  
    • £9.99
    • 2 x 9cm potted pachysandra plants

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

Aristolochia elegans

Aristolochia littoralis, Dutchman's Pipe

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 April 2016
    •  
    • £12.99
    • 2 x 9cm potted aristolochia plants

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

Primrose 'Silver Service'

Primula

An 'upmarket' addition to our popular range of seasonal bedding primroses. Expect elegant silvery blooms with eye catching red and gold centres to blanket your Primrose 'Silver Service' plants through late winter and spring. These hardy spring bedding plants make a real statement in the border but really come into their own when given centre stage in patio container displays and early season hanging baskets, where the opulent blooms can truly be appreciated. Add a touch of class to your spring displays this season with Primrose 'Silver Service'. Height and spread: 20cm (8"). More info
    • 24 primrose plug plants

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 72 primrose plug plants

    • Despatch:
    •  
    • £19.99
    • Out of stock

Bergenia cordifolia (Large Plant)

Elephant's Ears

This vigorous evergreen perennial is an old fashioned garden favourite. Its large glossy leaves have wavy edges, forming neat clumps of foliage, often tinged purple in winter. From early spring, Bergenia cordifolia carries bell shaped flowers that vary from pale pink to dark rose. Commonly known as Elephant Ears, this hardy perennial is undemanding, thriving in most garden conditions with virtually no maintenance. Bergenia is ideal for creating dense ground cover, and planting in large clumps at the front of borders. Height: 25cm (10”). Spread: 30cm (12”).

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 3.6 litre potted bergenia plant

    • Despatch: By end of February 2016
    •  
    • £11.99
    • 2 x 3.6 litre potted bergenia plants

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

Pachysandra terminalis (Large Plant)

Japanese Spurge

Forming a dense mat of glossy evergreen leaves, Japanese Spurge is an ideal groundcover plant for growing in areas between shrubs and trees to prevent weeds from getting the chance to grow. The interesting foliage grows in rosettes of green toothed leaves which each produce a spike of small white flowers in early summer. Requiring virtually no aftercare once planted, this perennial plant can be allowed to spread wherever you let it, leaving you to enjoy your garden without having to worry about it. Height: 20cm (8"). Spread: 150cm (59").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 9cm potted pachysandra plant

    • Despatch: By end of February 2016
    •  
    • £7.99
    • 2 x 9cm potted pachysandra plants

    • Despatch: By end of February 2016
    •  
    • £11.99

Pansy and Polyanthus Duo

The 'Pansy and Polyanthus Duo' contains 72 plug plants, 36 each of Pansy 'Matrix'™ Mixed - This super pansy produces more flowers than the average pansy and they're bigger and more fragranced than ever! and Polyanthus 'Crescendo®' which paints a rainbow of colour with its large blooms in bright colours making bold splashes in pots, window boxes and borders. Height and Spread: 23cm (9"). More info
    • 72 plug plants - 36 of each variety

    • Despatch:
    •  
    • £11.99
    • Out of stock