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 25 products.
 

Geranium himalayense 'Birch Double'

Geranium himalayense 'Plenum', Hardy Geranium, Cranesbill

Vigorous and versatile, this superb cranesbill tolerates almost any situation; even full shade. A mass of double purple-pink blooms stand above the delicately serrated foliage which turns to shades of burnt red and orange in autumn. Geranium himalayense 'Birch Double' will quickly blend with other herbaceous perennials to create colourful groundcover and looks equally attractive in herbaceous borders and shady woodland gardens. Height: 25cm (10"). Spread: 60cm (24"). More info
    • 1 bare root geranium plant

    • Despatch: By end of November 2015
    •  
    • £12.99

Blechnum brasiliense 'Volcano'

Dwarf Brazilian Tree Fern, Hard Fern

  • New in 2015
  • Hardy down to -5c in the UK
Are Dicksonia tree ferns too large or expensive for you? We've found the answer - try the dwarf Brazilian tree fern instead! Blechnum brasiliensis 'Volcano' is an exciting new find for the home gardener, only recently introduced to the UK, but sure to be the next big thing! Compact plants lend themselves well to growing in patio pots; and throw up huge fronds up to 70cm (28") tall. The young fronds unfurl in a bronze volcanic hue turning a shiny green as they open. A relative of our native Deer Fern, this fern thrives in low light, so it's perfect for giving an exotic touch to your home and garden. Despite its tropical origins, Blechnum brasiliense is hardy enough to be grown in most UK gardens, tolerating temperatures down to -5C (23F) but will appreciate a sheltered spot and some winter protection. Height: 90cm (36"). Spread: 70cm (28").
More info
    • 1 x 9cm potted blechnum plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 9cm potted blechnum plants

    • Despatch: By end of September 2015
    •  
    • £19.99

Astilbe x arendsii 'Look at Me'

False Goatsbeard

  • New in 2015
Turn any dark, damp corner of the garden into a focal point with this stunning Astilbe. The bubble-gum pink flower plumes and vivid ruby-red stems of Astilbe 'Look At me' virtually shout for your attention. This easy-grow perennial will thrive in soil too wet for many garden plants, but you don't have to tuck it out of site. This star perennial is also a top performer in patio pots when kept shaded and well watered. Voted Best New Plant when launched to the industry at the 2013 European Plantarium trade fair - we now have stock to meet consumer demand for this sought after perennial plant. Height: 45cm (18"). Spread: 50cm (20").
More info
    • 3 bare root astilbe plants

    • Despatch: By end of November 2015
    •  
    • £8.99
    • 6 bare root astilbe plants

    • Despatch: By end of November 2015
    •  
    • £14.99

Vinca 'Collection'

Periwinkle 'Collection'

Periwinkle is one of the toughest plants you'll find, flowering relentlessly throughout the summer months in lovely shades of purple, pink and white. This vigorous low growing shrub thrives in virtually any garden position, from full sun to the darkest, shady corners. The clump forming stems provide evergreen dark green and variegated foliage that makes useful, weed suppressing ground cover. This colourful collection of Vinca major are perfect for filling those tricky areas of the garden where little else grows.
  • Collection comprises:
  • Vinca major 'Variegata' - Sky blue flowers set against variegated foliage. Height: 45cm (18"). Spread: 75cm (30").
  • Vinca minor 'Atropurpurea' - Deep plummy purple flowers. Height: 20cm (8") Spread: 50cm (19").
  • Vinca minor f. alba 'Gertrude Jekyll' - Profuse white flowers, carried on compact plants. Height: 20cm (8") Spread: 50cm (19").
More info
    • 6 vinca jumbo plug plants

    • Despatch: By end of August 2015
    •  
    • £11.99
    • 12 vinca jumbo plug plants

    • Despatch: By end of August 2015
    •  
    • £19.99

Brunnera macrophylla 'Jack Frost' (Large Plant)

Siberian Bugloss

  • New in 2015

Grown for it's large, heart shaped, silver leaves with a sparkling metallic sheen that will brighten the shadiest borders. In Spring, the neat clumps of foliage are complimented by delicate sprays of sky blue flowers. Brunnera macrophylla ‘Jack Frost' is a resilient, quick growing hardy perennial, making useful ground cover in those tricky shady areas. Try planting this Siberian Bugloss among hardy ferns for a woodland feel or throughout the front of cottage garden borders. Height: 45cm (18"). Spread: 60cm (24").

More info
    • 1 x 3 litre potted brunnera plant

    • Despatch: By end of August 2015
    •  
    • £12.99
    • 2 x 3 litre potted brunnera plants

    • Despatch: By end of August 2015
    •  
    • £19.99

Brunnera macrophylla 'Starry Eyes'

Siberian Bugloss

  • Brighten up shady areas with this super perennial
Sprays of exquisite starry white blooms with intense blue edges appear in spring, above heart shaped, green foliage. Brunnera macrophylla 'Starry Eyes' loves a moist, shady spot, but can cope well with drier conditions once established. This superb hardy perennial is resilient and quick growing, forming dense clumps that are perfect for creating useful ground cover in those tricky shady areas. Try planting this Siberian Bugloss among hardy ferns for a woodland feel or throughout the front of cottage garden borders Height: 35cm (14"). Spread: 60cm (24").
More info
    • 1 bare root brunnera plant

    • Despatch: By end of November 2015
    •  
    • £14.99
    • 3 bare root brunnera plants

    • Despatch: By end of November 2015
    •  
    • £24.99

Lamium maculatum 'Pink Pewter' (Large Plant)

Dead Nettle

Lamium maculatum 'Pink Pewter' is a tough and resilient hardy perennial, thriving in shade on almost any soil. This vigorous dead nettle will form a carpet of sparkling silver foliage with deep green margins. From April through to midsummer the clusters of salmon pink flowers provide a rich supply of nectar for pollinating insects. A first-class ground cover plant for a shaded spot - perfect for creeping through woodlands, wildlife gardens, rockeries or borders. Height: 10cm (8"). Spread: 60cm (24"). More info
    • 1 x 1 litre potted lamium plant

    • Despatch: By end of August 2015
    •  
    • £7.99
    • 2 x 1 litre potted lamium plants

    • Despatch: By end of August 2015
    •  
    • £12.99

Vinca minor 'Illumination' (Large Plant)

Lesser Periwinkle

Vinca minor 'Illumination' is particularly striking, with gold-splashed foliage, paired with cobalt-blue flowers. This vigorous, carpeting shrub will thrive in virtually any garden position, from sun to deep shade. Its colourful foliage makes it especially useful for brightening dark corners.

Vinca minor is less vigorous than its larger cousin Vinca major, making it easier to confine to its allotted space. Periwinkle plants are easy to grow, flowering relentlessly from spring to autumn. A popular choice for landscaping and low-maintenance gardens. Height: 20cm (8") Spread: 50cm (19").

More info
    • 1 x 10.5cm potted vinca minor plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 1 x 3.5 litre potted vinca minor plant

    • Despatch: By end of August 2015
    •  
    • £14.99
    • 2 x 10.5cm potted vinca minor plants

    • Despatch: By end of September 2015
    •  
    • £16.99
    • 2 x 3.5 litre potted vinca minor plants

    • Despatch: By end of August 2015
    •  
    • £24.99

Vinca minor 'Gertrude Jekyll' (Large Plant)

Lesser Periwinkle

The spreading stems of Vinca minor ‘Gertrude Jekyll' provide glossy, evergreen foliage that makes useful, weed-beating ground cover. This lovely Lesser Periwinkle flowers relentlessly from spring to autumn. The pure white blooms will brighten even the shadiest position in the garden. Vinca is ideal for tricky areas where nothing else will grow. This low growing, creeping plant will thrive in the most inhospitable of places and requires little attention or maintenance. Height: 20cm (8") Spread: 50cm (19"). More info
    • 1 x 9cm potted vinca minor plant

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 2 x 9cm potted vinca minor plants

    • Despatch: By end of August 2015
    •  
    • £16.99

Pulmonaria 'Raspberry Splash' (Large Plant)

Lungwort

Lungwort is a low growing hardy perennial which has long been a favourite in cottage gardens. Pulmonaria 'Raspberry Splash' is a delightful variety with slender, silver spotted foliage. From March to May, clusters of raspberry pink blooms appear above the leaves, and slowly mature through purple to light mauve creating an intriguing tricolour effect. A superb choice for attracting pollinating insects to wildlife areas and creating spreading clumps of groundcover in the shade of trees and shrubs. Height: 30cm (12"). Spread: 45cm (18"). More info
    • 1 x 3 litre potted pulmonaria plant

    • Despatch: By end of August 2015
    •  
    • £11.99
    • 2 x 3 litre potted pulmonaria plants

    • Despatch: By end of August 2015
    •  
    • £18.99

Pulmonaria 'Sissinghurst White' (Large Plant)

Pulmonaria officinalis, Lungwort

Despite its unattractive common name of Lungwort, Pulmonaria is a very pretty hardy perennial for ground cover in shady corners, or beneath trees and shrubs. The foliage of Pulmonaria 'Sissinghurst White' is felted, and mottled in white, and accompanied by striking white flowers throughout the summer. Bees love the nectar-rich blooms of Pulmonaria, and this variety is such a reliable plant that it has been awarded an RHS Award of Garden Merit. Excellent for cottage gardens and woodland plantings. Height: 30cm (12"). Spread: 45cm (18"). More info
    • 1 x 1 litre potted pulmonaria plant

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 2 x 1 litre potted pulmonaria plants

    • Despatch: By end of August 2015
    •  
    • £16.99

Brunnera macrophylla 'Sea Heart' (Large Plant)

Siberian Bugloss

A choice perennial for the plant connoisseur! Brunnera macrophylla 'Sea Heart' forms dense clumps of shimmering, silvery foliage with distinct grey-green veining. The metallic leaves of this variety are particularly thick, reducing the risk of scorch. Throughout Spring, this lovely Siberian Bugloss bears delicate sprays of pale blue and pink flowers, reminiscent of Forget-Me-Nots. A lovely low maintenance ground cover plant that makes a big impact in shaded woodland areas and cottage garden borders. Height: 30cm (12"). Spread: 60cm (24"). More info
    • 1 x 3 litre potted brunnera plant

    • Despatch: By end of August 2015
    •  
    • £12.99
    • 2 x 3 litre potted brunnera plants

    • Despatch: By end of August 2015
    •  
    • £20.99