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 184 products.
 

Gaillardia 'Snappy'

Blanket Flower

  • Finally, a gaillardia that lasts for years in the garden
Finally, a long-lasting gaillardia for years of pleasure in the garden. Blanket Flowers have a reputation for being unreliably perennial but new Gaillardia 'Snappy' makes that a thing of the past. We can now offer you unrivalled flower power alongside true perennial reliability for years of vibrant border and container colour. This world-class introduction offers non-stop flowering on sturdy, compact, upright plants from mid-summer through to late autumn. The red and yellow blooms also take on a purple sheen in the summer sunshine and will be much loved by bees, butterflies and other pollinators. Height and spread: 30cm (12").
More info
    • 5 gaillardia Postiplug plants

    • Despatch: By end of April 2016
    •  
    • £12.99
    • 10 gaillardia Postiplug plants

    • Despatch: By end of April 2016
    • SAVE £5.99  
    • £25.98 £19.99

Gaillardia 'Arizona Sun' (Garden Ready)

Blanket Flower

  • 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.

A blaze of summertime colour that thrives, whatever the weather! The glorious daisy flowers of Gaillardia 'Arizona Sun' produce a constant display of large flower heads in fiery shades of orange, yellow and red. The cheery blooms persist well into autumn, and make spectacular cut flowers for an indoor display. This low maintenance, hardy perennial is trouble-free and even copes well on poor, dry soils. Perfect for containers or filling gaps at the front of sunny borders. Height: 30cm (12"). Spread: 45cm (18").

 

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

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

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

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

Heuchera 'Patchwork' Mix

Coral Flower, Coral Bells

 Customer Rating
Sprays of delicate, tiny flowers float on wiry stems above neat mounds of vibrant foliage. Prized for their colourful leaves, these versatile semi-evergreen perennials make excellent drifts of ground cover, adding a distinctive splash of colour to the front of borders, or even brightening winter containers. Their airy blooms attract bees and are also useful as cut flowers. Height and spread: 40cm (16").
More info
    • 3 heuchera Postiplugs

    • Despatch: By end of March 2016
    • + FREE £5 voucher  
    • £8.99
    • 5 heuchera Postiplug plants

    • Despatch: By end of March 2016
    •  
    • £14.99
    • 6 heuchera Postiplugs

    • Despatch: By end of May 2016
    • + FREE £5 voucher  
    • £12.99
    • 10 heuchera Postiplug plants

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

Pansy 'Ballerina'

Viola x wittrockiana

Unusual frilly tutu-like flowers of Pansy 'Ballerina' create a bright carnival of colour throughout the summer. The delicately ruffled petals make a stunning display in containers, beds and borders. Perfect for planting in window boxes where you can enjoy their pretty blooms close up. Height and spread: 23cm (9").

 

Culinary note: Pansy flowers are edible.

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

More info
    • 36 pansy plug plants

    • Despatch: By end of April 2016
    •  
    • £9.99
    • 72 pansy plug plants

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

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: By end of April 2016
    •  
    • £16.99
    • 48 lewisia plug plants

    • Despatch: By end of April 2016
    • SAVE £10.99  
    • £33.98 £22.99

Phlox 'Pop Stars Mixed'

Annual Phlox

  • British bred for perfect UK performance
  • Self-cleaning - no need for deadheading
  • Small plants smothered in bloom
  • perfect gap filler
Despite their small stature, these star performers have been bred to take centre stage in the garden, bringing the X Factor to your summer borders. Phlox 'Popstars Mixed' is one of the most talked about plants in the growing industry, and is sure to be a talking point among home gardeners too! The blooms may be less than the size of a penny, but their serrated edging, star shape and marbled colouring make each one a mini work of art! Free-flowering in a wonderful array of colours, these easy to grow hardy annual plants are a must for borders and cottage gardens. Their small size and heavy blooming make them ideal for containers too, where you can really show off the vibrant colours and intriguing flower shapes. Weather tolerant, bushy and compact, Phlox ‘Popstars Mixed’ is self cleaning, requiring no deadheading - faded blooms are simply replaced by fresh new buds to bring up to five months of colour to the garden. Height and spread: 25cm (10").
More info
    • 24 phlox plug plants

    • Despatch: By end of April 2016
    •  
    • £8.99
    • 48 phlox plug plants

    • Despatch: By end of April 2016
    • SAVE £2.99  
    • £17.98 £14.99

Lavender 'Hidcote'

Lavandula angustifolia, English Lavender

With its compact habit and dark purple flower spikes, this must be one of the nation's best known varieties of English lavender. The fragrant stems of Lavandula 'Hidcote' are ideal for cutting or drying, and the nectar-rich flowers are particularly attractive to bees. Lavender makes an excellent low hedge or path edging where the perfume can be appreciated as you brush past the aromatic evergreen foliage. Height: 60cm (24"). Spread: 75cm (30").

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

More info
    • 6 lavander plug plants

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

Pansy 'Tea Party'

Viola x wittrockiana

These cheery little pansies will certainly brighten up the garden. Pansy 'Tea Party' Mixed is a vibrant blend of solid colours and bicolours with plenty of personality. Low maintenance and easy to grow, this free-flowering mix is ideal for filling beds, borders and containers with fabulous summer colour. Height: 23cm (9"). Spread: 30cm (12").

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

More info
    • 36 pansy plug plants

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

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

Chrysanthemum 'Hardy Patio Mixed'

As the days shorten, these shimmering chrysanthemums come into their own. Bright colours and long-lasting blooms give a real boost to the autumn garden when many things are looking tired. This collection of hardy perennial patio Mums will reward you with rounded domes of colour from September right through until the first frosts. Superb for growing in borders and containers, and the sturdy stems make excellent cut flowers too. Our young plants are supplied as a mix of 4 named varieties. Height: 100cm (39"). Spread: 60cm (24").


Companion planting: Try growing Chrysanthemums with chives, whose aromatic leaves will deter aphids.


Useful links:

Companion Planting

More info
    • 5 chrysanthemum Postiplug plants - 1 of each colour

    • Despatch: By end of April 2016
    •  
    • £9.99

Gaillardia 'Arizona Sun'

Blanket Flower

A blaze of summertime colour that thrives, whatever the weather! The glorious daisy flowers of Gaillardia 'Arizona Sun' produce a constant display of large flower heads in fiery shades of orange, yellow and red. The cheery blooms persist well into autumn, and make spectacular cut flowers for an indoor display. This low maintenance, hardy perennial is trouble-free and even copes well on poor, dry soils. Perfect for containers or filling gaps at the front of sunny borders. Height: 30cm (12"). Spread: 45cm (18").
More info
    • 24 gaillardia plug plants

    • Despatch: By end of April 2016
    •  
    • £12.99
    • 48 gaillardia plug plants

    • Despatch: By end of April 2016
    • SAVE £7  
    • £25.98 £17.99