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 297 products.
 

Perennial 'Best Value' Collection

 Customer Rating

Fill your beds and borders with this bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").

  • Collection includes;

  • Lavender 'Hidcote' - This classic English lavender plant has an attractive grey-green fragrant foliage and will display stunning violet-blue compact spikes.
  • Digitalis 'Dalmation Mixed' - Well branched, compact, dwarf plants. Height: 50cm (20"). Spread: 40cm (16").
  • Erigeron 'Stallone' - This cheery clump forming perennial enjoys light sandy soils, making it ideal for coastal gardens.
  • Echinacea 'Pink Parasol' - Pink Parasol has stunning, large, deep purplish-pink blooms, with contrasting orange cones standing proudly above strong stems.
  • Verbena Bonariensis - Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. Height: 200cm (78"). Spread: 45cm (18").
  • Scabiosa 'Blue Jeans' - Blue pincushion flowers attract bees and butterflies throughout summer. Height and spread: 45cm (18").
  • Aquilegia 'Swan' Mixed - An abundance of large flowers on upright, multi-branched stems Height: 30cm (12"). Spread: 25cm (10").
  • Geum 'Blazing Sunset' - Fully double, large scarlet blooms are borne over a long period in summer. Height and spread: 60cm (24").
  • Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting. Height and spread: 30cm (12").
  • Armeria 'Mixed' - Long flowering plants with unusual ball shaped flower heads on thin wiry stems. Height: 50cm (20"). Spread: 30cm (12").
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Coreopsis 'Early Sunrise' - Golden yellow, semi double flowers that attract bees and butterflies. Height: 45cm.
More info
    • 72 perennial plug plants - 6 of each variety

    • Despatch: By end of April 2016
    • SAVE £51.89  
    • £71.88 £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 February 2016
    •  
    • £13.99
    • 10 hellebore jumbo plug plants

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

Rudbeckia 'Summerina Collection'

Coneflower, Black-eyed Susan

  • T&M Exclusive
  • New perennial rudbeckia for borders

Rudbeckia 'Summerina' Collection is exclusive to Thompson & Morgan, a near impossible breeding breakthrough - the crossing of an annual rudbeckia and a perennial echinacea! The result: tough, hardy perennial rudbeckias that return year on year to offer the stronger and longer flowering habit of annual varieties. This three colour mix is ideal for extending the life of your summer border - the plants go on to provide much needed autumn colour right up to the first hard frosts. Height and spread: 60cm (24").

More info
    • 3 rudbeckia jumbo plug plants

    • Despatch: By end of April 2016
    •  
    • £17.99
    • 6 rudbeckia jumbo plug plants

    • Despatch: By end of April 2016
    • SAVE £5.99  
    • £35.98 £29.99

Primrose 'Irish Beauties Collection'

Primula vulgaris, Kennedy Primroses

  • The World's Hardiest Primrose
Often referred to as Kennedy Primroses, these striking Primulas are the products of 35 years of breeding. The results speak for themselves! These eye catching perennials are particularly tough, tolerating temperatures down to -15C (5F), resisting frost, snow and extreme wet conditions to make them the world's hardiest Primrose. Each of Primrose 'Irish Beauties Collection' has darkly coloured green and purple-bronze foliage that contrasts with the shapely blooms. Once established they will virtually look after themselves, flowering twice as long as other varieties for an extended spring display. Height and spread: 20cm (8").

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.


More info
    • 3 primrose jumbo plug plants

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

    • Despatch:
    • SAVE £5.99  
    • £25.98 £19.99
    • Out of stock
    • 9 primrose jumbo plug plants

    • Despatch:
    • SAVE £13.98  
    • £38.97 £24.99
    • Out of stock

Rudbeckia 'All Sorts Mixed' (Garden Ready)

Coneflower, Black-eyed Susan

  • 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.

All your favourite rudbeckias in one spectacular mix, including the bestselling Rudbeckia 'Cherry Brandy', as well as many other doubles, singles, quilled types and more. These robust coneflowers have outstanding garden performance, and the long-lasting blooms make excellent cut flowers. A lovely addition to beds, borders and large patio containers. Height: 60cm (24"). Spread: 40cm (16").

 

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

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

Peony 'Eden's Perfume'

Paeonia, Herbaceous Peony

  • Large blooms scented like damask roses
Said to be the most fragrant peony ever! Large pink, layered blooms with a powerful scent of roses, and layer upon layer of sublime, shell pink petals. Herbaceous peonies are a real feature of the border producing exotic, elegant blooms from early summer onwards which are superb for cutting. Peonies are hardy, long lived and cope well on heavier soils, provided that they are well drained. Height: 90cm (36"). Spread: 60cm (24").
More info
    • 1 bare root peony plant

    • Despatch: By end of February 2016
    •  
    • £14.99
    • 2 bare root peony plants

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

Rudbeckia Collection (Garden Ready)

Coneflower, Black-eyed Susan

  • Enjoy the hot colours of rudbeckia, even when it's cool in your garden!
A Collection of the finest Rudbeckia plants around, we've put together our three best varieties in one collection, not only that, they are all in our Garden Ready range so we've done all the hard work for you! With 90 plants - 30 each of Rudbeckia 'Cherokee Sunset', 'Cherry Brandy' and 'Prarie Sun' - your garden will be awash with a spectacular display of coneflowers from midsummer through to late autumn. Ideal for bees and just as good cut and taken indoors, these fantastic plants are a surefire hit this year! Height: 90cm (37"). Spread: 45cm (18").
More info
    • 90 rudbeckia garden ready plants - 30 of each variety

    • Despatch: By end of May 2016
    • SAVE £4.98  
    • £44.97 £39.99

Delphinium 'Pacific Giants'

 Customer Rating
A distinguished delphinium producing strong spikes of semi-double blooms in a dreamy blend of pink, lilac, purple, violet-blue, sky-blue and white. Delphinium 'Pacific Giants' are excellent for cutting and add structure and presence to the back of cottage garden perennial borders. Height: 150cm (60"). Spread: 75cm (30").
More info
    • 6 delphinium plug plants

    • Despatch: By end of April 2016
    •  
    • £5.99

Hellebore 'Black Swan'

Helleborus × hybridus

  • 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 7cm potted hellebore plant

    • Despatch: By end of March 2016
    •  
    • £12.99
    • 3 x 7cm potted hellebore plants

    • Despatch: By end of March 2016
    • SAVE £18.98  
    • £38.97 £19.99

Perennial Pack A 'T&M's Choice'

Fill your beds and borders with this bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").

  • Collection includes;

  • Aquilegia 'Swan' Mixed - An abundance of large flowers on upright, multi-branched stems Height: 30cm (12"). Spread: 25cm (10").
  • Geum 'Blazing Sunset' - Fully double, large scarlet blooms are borne over a long period in summer. Height and spread: 60cm (24").
  • Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting. Height and spread: 30cm (12").
  • Lavender 'Hidcote' - This classic English lavender plant has an attractive grey-green fragrant foliage and will display stunning violet-blue compact spikes.
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Erigeron 'Stallone'- This cheery clump forming perennial enjoys light sandy soils, making it ideal for coastal gardens.
More info
    • 36 perennial plug plants - 6 of each variety

    • Despatch: By end of April 2016
    • SAVE £20.95  
    • £35.94 £14.99

Rudbeckia hirta 'Prairie Sun' (Garden Ready)

Coneflower, Black-eyed Susan

 Customer Rating
  • 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.

An impressive debut for beds and borders, this unique new plant was awarded a Fleuroselect Gold Medal. The unusual blooms with central green cones and bright orange petals radiating back to lemon yellow, make dazzling cut flowers.

 

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

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

Rudbeckia hirta 'Cherokee Sunset' (Garden Ready)

Coneflower, Black-eyed Susan

  • Enjoy the hot colours of rudbeckia, even when it's cool in your garden!
  • 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.

As a result of over 10 years breeding and selection by T&Ms flower breeders, Rudbeckia Cherokee Sunset® was born. Never before has there been such a spectacular range of colours of fully double to semi-double Rudbeckia, with large 3-4in blooms. Shades of golden yellow, orange, bronze and mahogany make up this stunning blend that resembles the attractive colour spectrum of an Indian Sunset. Vigorous, free branching plants, with strong stems, which flower over a long period from mid summer to early autumn. Cherokee Sunset® is outstanding for adding height, colour and interest to beds, borders and large containers. Also makes an impressive cut flower. T&M are proud to be the first UK packet seed company to have an All American Selection Winning variety from its own breeding programme. This prestigious award is presented to varieties that have outstanding garden performance, quality blooms, a unique colour range and that show a significant improvement over existing varieties of the species.

 

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

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