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 42 products.
 

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 '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

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

Rudbeckia hirta 'Cherry Brandy' (Garden Ready)

Coneflower, Black-eyed Susan

 Customer Rating
  • Best in class for rudbeckias
  • Cut flowers last 2 weeks
  • 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.

Thompson & Morgan's plant breeders are proud to present the first-ever red rudbeckia! These robust plants have outstanding garden performance, producing a mass of attractive, cherry-coloured blooms all summer long. Triumphing over heat and poor soils, these versatile coneflowers look stunning when planted beds, large patio containers, or as sweeping drifts in herbaceous borders. 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

Rudbeckia 'All Sorts Mixed'

Coneflower, Black-eyed Susan

 Customer Rating
  • T&M's own breeding
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").
More info
    • 6 rudbeckia plug plants

    • Despatch: By end of April 2016
    •  
    • £5.99
    • 36 rudbeckia plug plants

    • Despatch: By end of April 2016
    •  
    • £12.99
    • 72 rudbeckia plug plants

    • Despatch: By end of April 2016
    • SAVE £7.99  
    • £25.98 £17.99

Astrantia major 'Roma' (Large Plant)

Hattie's Pincushion, Masterwort

Pretty pincushion flowers in a delicate shade of pink, rise above loose clumps of attractive glossy foliage. Often seen in cottage garden borders, Astrantia major 'Roma' also thrives in the moist soil at a woodland edge or beside a pond or stream. The understated blooms, surrounded by papery outer bracts, are ideal for cutting for a delicate fresh or dried flower arrangement. Astrantia 'Roma' is one of the best varieties, and comes with an RHS AGM. The flowers persist from June to September and won't self seed as this variety is completely sterile. For almost instant gardening, choose Masterwort. Plants are quick-growing, easy to establish and long-lasting. Height: 90cm (35") and Spread: 45cm (18").

More info
    • 1 x 1 litre potted astrantia plant

    • Despatch: By end of February 2016
    •  
    • £14.99
    • 2 x 1 litre potted astrantia plants

    • Despatch: By end of February 2016
    •  
    • £24.99

Hellebore 'Single Gold Red' (Large Plant)

Helleborus

The Christmas Rose is the ideal choice for difficult, shady borders, especially for planting beneath trees and shrubs. The winter flowers of the Hellebore are some of the first to appear in the garden, and look good alongside snowdrops and early spring bulbs.

Hellebores have pretty, cup-shaped flowers in clear colours. Hellebore 'Single Gold Red' is extra special, with two-tone flowers in contrasting shades. The Hellebore gives perfect winter colour in the garden; these evergreen plants are clump-forming and look great in long, mixed perennial borders or patio containers. Height and spread: 45cm (18").

More info
    • 1 x 3 litre potted hellebore plant

    • Despatch: By end of February 2016
    •  
    • £11.99
    • 2 x 3 litre potted hellebore plants

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

Hellebore 'Single Pink Spotted' (Large Plant)

Helleborus

Hellebores are essential for winter colour in the garden, and are just as important in the garden as snowdrops, aconites and early spring bulbs. The Christmas Rose blooms extremely early in the year, sometimes even from Christmas, hence the name. Hellebores are most at home in shady borders, or for planting beneath trees and shrubs.

Hellebores have clear-coloured, long-lasting, cup-shaped flowers. Hellebore 'Single Pink Spotted' offers blooms with distinctive spots on each petal. The evergreen Hellebore is excellent for winter colour in the garden; plants are clump-forming are brilliant for ground cover. Height and spread: 45cm (18").

More info
    • 1 x 3 litre potted hellebore plant

    • Despatch: By end of February 2016
    •  
    • £11.99
    • 2 x 3 litre potted hellebore plants

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

Trollius 'Dancing Flame'

Globeflower

Add some heat to your border this autumn with Trollius 'Dancing Flame'. This Globeflower has everything you'd want from a border perennial; contained vigour, long flowering habit, care-free attitude, and years of garden performance! The glorious orange blooms just keep on coming right though early summer for 8 weeks of vibrant colour. This hardy herbaceous perennial thrives in moist soils but will cope with drought conditions once established. Height: 60cm (24"). Spread: 50cm (20"). More info
    • 1 x 9cm potted trollius plant

    • Despatch: By end of August 2016
    •  
    • £11.99
    • 2 x 9cm potted trollius plants

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

Iris ensata 'Collection'

Japanese Iris, Iris kaempferi

Spectacular, exotic blooms are carried above narrow, strap-like foliage in summer. Iris ensata enjoy a reliably moist soil and positively thrive in bog gardens or at the margins of a pond or stream. The long stems of these low maintenance perennials also make them ideal for cutting for an eye-catching vase indoors. Height: 90cm (36"). Spread: 30cm (12"). More info
    • 4 bare root Iris plants

    • Despatch: By end of February 2016
    •  
    • £13.99
    • 8 bare root Iris plants

    • Despatch: By end of February 2016
    • SAVE £8.99  
    • £27.98 £18.99

Rudbeckia fulgida var. sullivantii 'Goldsturm' (Large Plant)

Coneflower

An RHS AGM winning Black Eyed Susan bearing bright, golden-yellow, daisy-like flowers with dark button eyes that make excellent cut flowers. The radiant, coneflowers of Rudbeckia fulgida 'Goldsturm' are produced over a long period, attracting bees and butterflies to their long lasting blooms. These compact perennials are easy to grow, reliably filling gaps in borders, and returning year after year. Height: 60cm (24"). Spread: 60cm (24"). More info
    • 1 x 1 litre potted rudbeckia plant

    • Despatch: By end of February 2016
    •  
    • £9.99
    • 1 x 3 litre potted rudbeckia plant

    • Despatch: By end of February 2016
    •  
    • £12.99
    • 2 x 1 litre potted rudbeckia plants

    • Despatch: By end of February 2016
    •  
    • £14.99
    • 2 x 3 litre potted rudbeckia plants

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

Hellebore 'Single Clear White' (Large Plant)

Helleborus

Hellebores are one of the first flowers to welcome a New Year in the garden, and sometimes even begin flowering in December. The Christmas Rose is ideal for shady borders, and makes useful ground cover underneath trees and shrubs.

Hellebores have colourful, nodding, cup-shaped flowers, which are long-lasting. Hellebore 'Single Clear White' produces some of the most beautiful, white flowers, and will give unmissable colour in the winter garden. Grow evergreen Hellebores in long, sweeping borders or large patio pots, they establish easily and quickly form neat clumps of growth. Height and spread: 45cm (18").

More info
    • 1 x 3 litre potted hellebore plant

    • Despatch: By end of February 2016
    •  
    • £11.99
    • 2 x 3 litre potted hellebore plants

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