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 17 products.
 

Heuchera 'Obsidian' (Large Plant)

This striking Coral Flower makes a bold statement. Fine sprays of creamy white flowers stand out against the glossy, deep maroon-black foliage. The nectar rich flowers of Heuchera 'Obsidian' attract pollinating insects and bring a light, airy feel to cut flower arrangements. This hardy evergreen perennial retains its elegant looks all year round, making it particularly useful for ground cover when planted en-masse. Perfect for individual patio pots or creating a sophisticated 'Black-tie' look in borders. Height: 45cm (18"). Spread: 30cm (12").

 

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

    • Despatch: Within 28 days
    •  
    • £9.99
    • 2 x 1 litre potted heuchera plants

    • Despatch: Within 28 days
    •  
    • £17.99

Heuchera 'Stormy Seas' (Large Plant)

Heuchera are an excellent choice for easy to grow ground cover in difficult spots in the garden; plants are super tough and easy to grow. Heuchera 'Stormy Seas' has maroon-red foliage, with green undersides, with creamy-white bell flowers, on tall spikes during the summer.

Heuchera can be grown in perennial borders, bedding schemes, or in mixed summer and autumn containers and baskets. Heuchera are versatile evergreens for growing in either sun or part shade. Height and Spread: 40cm (16").

 

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

    • Despatch: Within 28 days
    •  
    • £9.99
    • 2 x 2 litre potted heuchera plants

    • Despatch: Within 28 days
    •  
    • £16.99

Foxglove 'Camelot Cream' (Large Plant)

Digitalis purpurea

Foxgloves are the perfect cottage garden plant; and new strain Foxglove 'Camelot Cream' has the traditional appearance of usual wild Foxgloves, but with blooms all around the stem, giving even more impact.

'Camelot' Foxgloves are superior, F1 hybrid quality, and plants will flower in the same year that they are planted. Digitalis are ideal for cottage garden borders, are easy to grow and will last for many years. Height: 120cm (48"). Spread: 45cm (18").

 

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

    • Despatch: Within 28 days
    •  
    • £9.99
    • 2 x 2 litre potted foxglove plants

    • Despatch: Within 28 days
    •  
    • £16.99

Delphinium 'Pink Blushes'

This Pink Blush is anything but embarrassing! Glorious, tall spikes of evenly spaced, perfectly formed florets in shades of pink, from pastel to magenta! The result of many years of breeding from Terry Dowdeswell, our world-class Delphinium expert in New Zealand, Delphinium 'Pink Blushes' are strong plants with disease resistance and unrivalled garden performance. Height: 1.5m (5'). Spread: 75cm (30").
More info
    • 5 delphinium Postiplug plants

    • Despatch: By end of May 2017
    •  
    • £12.99
    • 10 delphinium Postiplug plants

    • Despatch: By end of May 2017
    •  
    • £16.99

Physalis alkekengi var. franchetii (Large Plant)

Chinese Lantern

Physalis alkekengi var. franchetii is better known by its culinary name of Cape Gooseberry. Tiny, creamy-white flowers appear in midsummer above oval green foliage. This hardy perennial is mainly grown for its edible berries which later develop within red, papery Chinese Lantern calyces. This vibrant autumn display brings a bright splash of colour to fading perennial borders. The stems can be cut to create wonderful decorative flower arrangements. If left on the plant the calyces will slowly skeletonize, adding ornate winter interest to your garden. Height: 75cm (30"). Spread: 90cm (36").

 

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

    • Despatch: Within 28 days
    •  
    • £9.99
    • 2 x 1 litre potted physalis plants

    • Despatch: Within 28 days
    •  
    • £14.99

Foxglove 'Camelot Cream' (Large Plant)

Digitalis

Foxgloves are the perfect cottage garden plant. Foxglove 'Camelot Cream' has the traditional appearance of usual wild Foxgloves, but with blooms all around the stem, giving even more impact.'Camelot' Foxgloves are superior, F1 hybrid quality plants. Digitalis are ideal for cottage garden borders, are easy to grow and will last for many years. Height: 120cm (48"). Spread: 45cm (18").

 

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

    • Despatch: Within 28 days
    •  
    • £9.99
    • 2 x 1 litre potted digitalis plants

    • Despatch: Within 28 days
    •  
    • £14.99

Foxglove lanata (Large Plant)

Digitalis, Grecian Foxglove

An unusual and choice addition to your borders. The Grecian Foxglove is understated, reserved and rarely seen in UK gardens. Foxglove lantana produces fawn coloured flowers, heavily patterned with intricate, dark brown veins. The stems and foliage are covered with fine, downy hairs giving it another common name of Woolly Foxglove. This hardy perennial is compact, reaching just 60cm (24") tall - perfect for the front of shaded borders and woodland gardens where it can be appreciated close at hand. The flower spikes also make a refreshingly unpretentious cut flower. Height: 60cm (24"). Spread: 30cm (12").

 

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

    • Despatch: Within 28 days
    •  
    • £9.99
    • 2 x 1 litre potted digitalis plants

    • Despatch: Within 28 days
    •  
    • £14.99

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: Within 28 days
    •  
    • £12.99
    • 2 x 9cm potted aristolochia plants

    • Despatch: Within 28 days
    •  
    • £19.99

Hellebore 'Single Yellow Spotted' (Large Plant)

Helleborus

Hellebores are ideal for winter colour in the garden. The Christmas Rose begins to flower early on in the year, sometimes from Christmas time. Hellebores are perfect for shady borders, and are ideal for awkward, shady corners, or for planting under trees and shrubs, or into large, showy patio containers.

Hellebores have photogenic, colourful, long-lasting flowers. Hellebore 'Single Single Yellow Spotted' features pretty flowers with a unique spotting. The evergreen Hellebore is excellent for beginners and those with small gardens. Plants will give guaranteed winter colour in borders. Height and spread: 45cm (18").

 

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

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

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

Geranium 'Custard Cream'

Pelargonium, Zonal Geranium, Zonal Pelargonium

  • The world's first true yellow geranium
For many years the elusive yellow geranium has been the holy grail of the plant world. There are plenty of dark cream varieties but few have captured that true yellow colour. Pelargonium enthusiasts will love Geranium 'Custard Cream' for its buttery yellow blooms and fabulous vigour. Created by the world's leading geranium breeder, this superb zonal pelargonium deserves a prominent place in your patio containers and borders this summer. Height: 30cm (12"). Spread: 25cm (10").
Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.
More info
    • 1 x 10.5cm potted geranium plant

    • Despatch:
    •  
    • £12.99
    • Out of stock
    • 3 x 10.5cm potted geranium plant

    • Despatch:
    • SAVE *£19.98  
    • £38.97 £18.99
    • Out of stock

Foxglove 'Dalmatian Cream' F1 Hybrid

Digitalis purpurea

Elegant cream trumpets with pretty spotted throats crowd the vertical stems of Foxglove 'Dalmation Cream'. This statuesque foxglove has a sturdy, uniform habit forming well branched plants that look magnificent in cottage gardens and woodland borders. Let this short lived perennial seed about to create dramatic drifts and attract wildlife to its nectar rich flowers. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 12 foxglove plug plants

    • Despatch:
    •  
    • £7.99
    • Out of stock

Heuchera 'Prince of Silver' (Large Plant)

Coral Flower, Coral Bells

The shimmering leaves of Heuchera 'Prince of Silver' are overlaid with dark purple veins which age to a gentle shade of mossy green. In spring, the eye-catching foliage is joined by delicate sprays of creamy flowers that emerge from pink buds. This lovely herbaceous evergreen forms neat clumps which provide year round interest in containers and borders. A superb perennial that will attract pollinating insects to its nectar rich blooms. Height: 45cm (18"). Spread: 30cm (12").

 

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

    • Despatch:
    •  
    • £8.99
    • Out of stock
    • 2 x 2 litre potted heuchera plants

    • Despatch:
    •  
    • £14.99
    • Out of stock