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.


For beautiful summer flowers browse our range of annual plants.



We have found 28 products.
 

Lewisia cotyledon 'Elise Mixed'

  • First lewisia to repeat flower throughout summer
Masses of starry flowers in a range of fruity colours, including stripes and picotees adorn slender stems above neat rosettes of fleshy leaves. Traditionally grown as perennials in alpine houses, new breeding has brought us Lewisia 'Elise Mixed' which flowers in its first year, making a bright and attractive annual bedding plant! Winner of a Fleuroselect Gold Medal, these exceptional plants repeat flower throughout summer, lighting up beds, borders, containers and rock gardens. Tolerating heat and drought well, Lewisia is also perfectly happy with cooler temperatures and will overwinter with protection from wet weather. Height: 25cm (10"). Spread: 30cm (12").
More info
    • 24 lewisia plug plants

    • Despatch:
    •  
    • £16.99
    • Out of stock
    • 48 lewisia plug plants

    • Despatch:
    • SAVE *£10.99  
    • £33.98 £22.99
    • Out of stock

Heucherella 'Trailing Collection'

  • New hanging basket plant!

A cross between Heuchera and Tiarella, these trailing hardy perennials look fabulous billowing out of hanging baskets, window boxes and patio containers, where the broad-lobed, evergreen leaves provide all-year-round interest! Grow them alone for a fountain of foliage, or in mixed baskets to add texture and contrast. Vigorous and easy to grow, Heucherella 'Trailing Collection' also makes a fantastic groundcover plant for sun or part shade. Height: 25cm (10"). Spread: 60cm (24").


  • Collection comprises:
  • Heucherella 'Crimson Cascade' - Wonderful green to copper-red foliage with contrasting dark veins.
  • Heucherella 'Yellowstone Falls' - Striking lime green leaves with crimson markings.
  • Heucherella 'Redstone Falls' - Vibrant green and ruby red leaves creating a mixture of autumnal colours which change with the seasons.
More info
    • 3 heucherella jumbo plug plants

    • Despatch: By end of August 2016
    • SAVE £5  
    • £14.99 £9.99
    • 6 heucherella jumbo plug plants

    • Despatch: By end of August 2016
    • SAVE £7  
    • £19.99 £12.99

Gentiana scabra 'Royal Stripes'

  • Unique striped blooms
You'll be familiar with blue flowering gentian plants and you've likely seen white flowered forms, but you'll be blown away by the blue and white striped flowers of Gentiana 'Royal Stripes'. This rare new variety really brings a wow factor to the genus. Look closer at the impressive blooms and you'll also see vibrant green freckling standing out on a white canvas. Whether you use these compact herbaceous perennial plants in patio pots, borders or rockery displays, the carpet of colour is sure to attract attention from friends and family as well as bees and other pollinators. In return of a little deadheading, flowers will just keep on coming from early June through to October. Ideal for dappled shade, try Gentiana 'Royal Stripes' under trees and shrubs for a vibrant lift to your beds and borders. Height and spread: 25cm (10")
More info
    • 1 x 10.5cm potted gentiana plant

    • Despatch: By end of July 2016
    •  
    • £14.99
    • 2 x 10.5cm potted gentiana plants

    • Despatch: By end of July 2016
    • SAVE *£4.99  
    • £29.98 £24.99

Primrose 'Palazzo Collection'

Primula

  • The all new pom-pom primrose
Our lastest primrose introduction are already causing a big stir. To make ordering both 'Palazzo Wine' and 'Palazzo Pink' easier and more economical, we're now offering them as a duo collection. Treat yourself to some winter luxury. Both velvety shades are topped off with a rich silver-laced edge and sumptuous ruffled petals, making the perfect centrepiece plant for winter and spring containers, baskets and bedding displays. Height: 25cm (10in). Spread: 20cm (8in).,

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

More info
    • 6 primrose jumbo plug plants - 3 of each colour

    • Despatch: By end of October 2016
    •  
    • £14.99

Verbena 'Union Jack Mixed' (Garden Ready)

Join in the fun and help celebrate the Queen's Birthday with a spectacular display of trailing stems filled with red, white and blue flowers. The patriotic colours of Verbena 'Union Jack' mix are perfect for creating living party decorations this summer! Fill your hanging baskets and patio containers, or let them trail from a window box for a cascade of colour. Height and spread: 25cm (10").

 

Garden ready special offer
More info
    • 30 verbena garden ready plants

    • Despatch:
    •  
    • £14.99
    • Out of stock

Polyanthus 'Most Scented Mixed' (Garden Ready)

Primula

  • The fast-track to a hassle-free garden - just plant, water and enjoy!
  • Quality plants delivered to your door, hardened off and ready to plant out
  • Fully-grown, super-robust, healthy plants
Our garden ready plants are selected for garden performance, straight from the nursery. We send them to you 'green' ahead of flowering (but please note some varieties may show a few blooms), which means plants will establish quickly and all their energy goes into producing better roots, so they produce more flowers throughout the season.

We've sniffed all the polyanthus we could find to be able to make up this exclusive mix for you! Each fresh colour has a lovely, strong fragrance, to bring you a true scent of spring. From late winter, these vigorous perennials produce plenty of flowers on short, stocky stems, above neat rosettes of lush foliage. Fill all your pots and borders with Polyanthus 'Most Scented Mix' for a riot of scent and colour even on the dreariest winter days! Height and spread: 25cm (10").

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

 

Garden ready special offer
More info
    • 30 polyanthus garden ready plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Primrose 'Palazzo Wine'

Primula

Treat yourself to some luxury at every day prices with our latest fancy primrose. We've selected Primrose 'Palazzo Wine' F1 for its sumptuous crested blooms and sheer flower power. The burgundy ruffled blooms are complimented by an elegant silver-laced edging and are produced in profusion, creating what we are calling a one plant posie. These hardy vigorous plants make perfect colourful border fillers, adding real impact to spring displays, but this hardy Primrose comes into its own in patio containers, where you can really appreciate the opulent blooms from February right through to May. Why not set a single plant in a small pot for occasional use as a table centre piece? Height: 25cm (10"). Spread: 20cm (8").,

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

More info
    • 3 primula jumbo plug plants

    • Despatch: By end of October 2016
    •  
    • £9.99
    • 6 primula jumbo plug plants

    • Despatch: By end of October 2016
    •  
    • £14.99

Geranium cinereum 'Jolly Jewel Collection'

Hardy Geranium, Cranesbill

  • Create a carpet of colour
  • Weed-suppressing Hardy Geranium
  • Long flowering season

The dense foliage on these mat-forming plants are ideal for carpeting difficult dry, sunny banks or filling space in borders and rockeries. Plants hug the ground, meaning the weeds don't even get a look in! These long-lived hardy Geraniums are tough and last for years. The 'Jolly Jewel' series boasts a fruity selection of colours, barely resting it's flower power from spring to late summer. Height: 25cm (10"). Spread: 30cm (12").
More info
    • 3 x 9cm potted geranium plants

    • Despatch: By end of September 2016
    •  
    • £19.99
    • 6 x 9cm potted geranium plants

    • Despatch: By end of September 2016
    •  
    • £29.99

Primrose 'Scirocco Duo'

Primula

  • A real spring show off
  • The ultimate in flamboyant blooms
  • Perfect for borders and containers

This has to be the ultimate Primrose! ‘Scirocco’ is set to be a future customer favourite thanks to its luxuriant swirled blooms. We don’t think there is a prettier primrose available on the market. The colour-splashed blooms are a sight to behold on a dull spring day and are guaranteed to lift your garden display as well as your spirits. Primrose ‘Scirocco’ makes an excellent spring border filler as well as a show-off specimen in spring containers. Plant out with your favourite spring bulbs this autumn for an elegant early season display in 2017. Height and spread: 25cm (10").
More info
    • 4 x 7cm potted primrose plants

    • Despatch: By end of October 2016
    •  
    • £12.99
    • 8 x 7cm potted primrose plants

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

Euphorbia polychroma 'Bonfire' (Large Plant)

Euphorbia epithymoides, Milkweed, Spurge

An effervescent little Euphorbia for the garden border. The short, compact plants has amazing evergreen foliage, which turns green and burgundy in the summer, then deeps to bright red by autumn.The spring flowers are sulphur yellow, and create a striking contrast.

Euphorbia are easy to grow in most sites and soils, and the plants of Euphorbia 'Fireglow' appear to glow! Excellent for the front of the border, rockeries or pots. Height: 25cm (10"). Spread 45cm (18").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted euphorbia plant

    • Despatch: By end of July 2016
    •  
    • £10.99
    • 2 x 2 litre potted euphorbia plants

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

Primrose 'Palazzo Pink'

Primula

  • The all new pom-pom primrose
Treat yourself to some luxury at every day prices with our latest fancy primrose. We've selected 'Palazzo Pink' F1 for its sumptuous crested blooms and sheer flower power. The pink ruffled blooms are complimented by an elegant silver-laced edging and are produced in profusion, creating what we are calling a one plant posie. These hardy vigorous plants make perfect colourful border fillers, adding real impact to spring displays, but 'Palazzo Pink' really comes into its own in patio containers, where you can really appreciate the opulent blooms From February right through to May. Why not set a single plant in a small pot for occasional use as a table centre piece? Height: 25cm (0in) Spread: 20cm (8in).,

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

More info
    • 3 primrose jumbo plug plants

    • Despatch: By end of October 2016
    •  
    • £9.99
    • 6 primrose jumbo plug plants

    • Despatch: By end of October 2016
    •  
    • £14.99

Primrose 'Autumn Colours Mixed' (Garden Ready)

Primula

  • The fast-track to a hassle-free garden - just plant, water and enjoy!
  • Quality plants delivered to your door, hardened off and ready to plant out
  • Fully-grown, super-robust, healthy plants
Our garden ready plants are selected for garden performance, straight from the nursery. We send them to you 'green' ahead of flowering (but please note some varieties may show a few blooms), which means plants will establish quickly and all their energy goes into producing better roots, so they produce more flowers throughout the season.

Winter primroses so quick to flower, you'll get a show this autumn! This quick flowering colour collection offers the longest flowering window we've ever seen among primroses. Confuse the seasons in your garden with vibrant colour from as early as September, right through to spring. Primrose 'Autumn Colours Mixed' are perfect for long lasting patio containers, hanging baskets and border edging. Height: 25cm (10"). Spread: 20cm (8").,

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

 

Garden ready special offer
More info
    • 30 primrose garden ready plants

    • Despatch: By end of September 2016
    •  
    • £14.99