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.



We have found 29 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 bareroot plant

    • Despatch: By end of November 2014
    •  
    • £12.99

Geranium 'Double Flowered Collection'

Hardy Geranium, Cranesbill

Enjoy our selection of the very best double-flowered cranesbills. Every bloom is a pretty posy of vibrant colour and unlike their single flowered relations, these hardy geraniums won't self seed, so the flowers last even longer. These cottage garden favourites will quickly blend with other herbaceous perennials to create colourful groundcover, and look equally attractive in borders or containers. Height: Up to 90cm (36"). Spread: 60cm (24").
  • Collection comprises 1 plant each of:
  • Geranium himalayense 'Birch Double' (left) - Vigorous and versatile, this superb cranesbill tolerates almost any situation; even full shade.
  • Geranium pratense 'Laura' (bottom right) - Long lasting, weather resistant, double white flowers are produced from June onwards on upright, downy stems.
  • Geranium pratense 'Summer Skies' (top right) - The double blooms of Geranium pratense 'Summer Skies' may look delicate but this hardy herbaceous perennial is tough and undemanding.
More info
    • 3 bareroot plants - 1 of each variety

    • Despatch: By end of November 2014
    • SAVE £19.98  
    • £38.97 £18.99
    • 6 bareroot plants - 2 of each variety

    • Despatch: By end of November 2014
    • SAVE £48.95  
    • £77.94 £28.99

Geranium pratense 'Laura'

Hardy Geranium, Meadow Cranesbill

Long lasting, weather resistant, double white flowers are produced from June onwards on upright, downy stems. The serrated leaves quickly create a mound of fresh green foliage that makes excellent groundcover for a cottage garden or perennial border. Unlike its single flowered relations, Geranium pratense 'Laura' does not self seed, making it easier to control. Height and spread: 60cm (24”).
More info
    • 1 bareroot plant

    • Despatch: By end of November 2014
    •  
    • £12.99

Geranium pratense 'Summer Skies'

Hardy Geranium, Meadow Cranesbill

Plant swathes of this gorgeous mauve-pink geranium in your cottage garden borders and enjoy dreamy summer skies all summer long. The double blooms of Geranium pratense 'Summer Skies' may look delicate but this hardy herbaceous perennial is tough and undemanding. Unlike its single flowered relations, this meadow cranesbill does not self seed, so the flowers last even longer. Height: 90cm (36”). Spread: 60cm (24”).
More info
    • 1 bareroot plant

    • Despatch: By end of November 2014
    •  
    • £12.99

Geranium 'Rozanne'

Geranium 'Gerwat'

  • Winner of The RHS Chelsea Flower Show 'Plant of the Centenary'
  • Unique long-flowering period for a Hardy Geranium

A celebrated Cranesbill producing masses of saucer shaped, violet-blue blooms with dainty white centres. Being a sterile hybrid, Geranium 'Rozanne' flowers repeatedly throughout the summer and won’t self-seed like other Geraniums. This hardy perennial makes excellent ground cover through the front of informal borders or spilling from containers. As summer ends the loose mounds of foliage colour to reddish brown and fiery orange for an extended display into autumn. Height: 30cm (12"). Spread: 60cm (24").


Useful links:

Geranium 'Rozanne gets our vote for RHS 'Plant of the Centenary'

 

More info
    • 1 jumbo plug plant

    • Despatch: By end of August 2014
    •  
    • £9.99
    • 3 jumbo plug plants

    • Despatch:
    •  
    • £19.98
    • Out of stock

Golden Lysimachia

Lysimachia punctata, Dotted Loosestrife

  • A towering, elegant plant for the border
Bring some sunshine to your borders with this resilient cottage-garden favourite. Neat clumps of tall, elegant stems with striking yellow flowers are borne from mid-summer through until early autumn. Golden Lysimachia is great for difficult clay soils and shadier parts of the garden, thriving in damp borders, bog gardens or at the margins of a pond. Grow dotted loosestrife in woodland gardens or informal areas for a burst of late summer colour! Height: 90cm (35"). Spread: 60cm (24").
More info
    • 5 Postiplug plants

    • Despatch: By end of August 2014
    •  
    • £9.99
    • 10 Postiplug plants

    • Despatch: By end of August 2014
    • SAVE £4.99  
    • £19.98 £14.99

Delosperma 'Hardy Mixed'

Hardy Ice Plant

 Customer Rating
  • Vigorous ground cover, even in the driest of soils

Unique, versatile and vibrant! The fleshy, drought tolerant creeping stems of these hardy Ice Plants make ideal ground cover on sunny banks and poor stony soils. The showy daisy-like flowers of Delosperma 'Hardy Mixed' create a carpet of intense colour, in exclusive new shades that will stop you in your tracks. Fantastic for those hot, dry problem areas where many other plants would fail to establish. Height: 10cm (4"). Spread: 60cm (24").

More info
    • 5 jumbo plug plants

    • Despatch: By end of September 2014
    •  
    • £13.99
    • 10 jumbo plug plants

    • Despatch: By end of September 2014
    •  
    • £19.99
    • 20 jumbo plug plants

    • Despatch: By end of September 2014
    • SAVE £28.97  
    • £55.96 £26.99

Aubrieta 'Royal Mixed'

Aubretia

 Customer Rating
These tough little plants will thrive in the poorest of soils, forming dense mats of evergreen foliage. Aubretia 'Royal Mixed' produces masses of colourful flowers in spring that will brighten rockeries, spill from containers and creep through cracks in walls and paving. Height: 10cm (4”); spread 60cm (24”).
More info
    • 36 plug plants

    • Despatch: By end of September 2014
    •  
    • £10.99
    • 72 plug plants

    • Despatch: By end of September 2014
    • SAVE £5.99  
    • £21.98 £15.99

Brunnera macrophylla 'Starry Eyes'

Siberian Bugloss

  • New in 2014
  • 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 bareroot plant

    • Despatch: By end of November 2014
    •  
    • £14.99
    • 3 bareroot plants

    • Despatch: By end of November 2014
    • Save £24.98  
    • £44.97 £19.99

Delosperma 'Wheels of Wonder Series'

Hardy Ice Plant

  • New in 2014
  • World Exclusive
  • Giant-flowered hardy ice plants
  • Bigger blooms for extra ground cover

A marked improvement on standard Ice Plants! Delosperma 'Wheels of Wonder Series' has flowers twice the normal size, and boasts some psychedelic colour combinations too. These hardy, low maintenance plants make fabulous ground cover for sunny banks and poor stony soils. Perfect for those hot, dry problem areas where many other plants would fail to establish. Height: 15cm (6"). Spread: 60cm (24").


More info
    • 5 jumbo plug plants

    • Despatch: By end of August 2014
    •  
    • £13.99
    • 10 jumbo plug plants

    • Despatch: By end of August 2014
    •  
    • £19.99

Daylily 'Super Summer Mixed'

Hemerocallis

  • New in 2014
  • The spectacular Day Lily

The magnificent, showy trumpets of Daylily 'Super Summer Mixed' are carried on stiff stems above clumps of decorative, strappy foliage. The colourful lily-like blooms, each lasting only a day, are produced so freely that you will be able to spare a few stems for a short-lived arrangement of daylily flowers indoors. Daylilies are reliable hardy perennials, equally at home in cottage gardens or exotic borders where they are quick to establish and easy to maintain. Height and spread: 45cm (18").


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

More info
    • 3 bareroot plants

    • Despatch: By end of November 2014
    •  
    • £11.99
    • 6 bareroot plants

    • Despatch: By end of November 2014
    •  
    • £16.99

Heucherella 'Trailing Collection'

  • New in 2014
  • New hanging basket plant!

A cross between Heuchera and Tiarella, these trailing hardy perennials look fabulous billowing out of hanging baskets, window boxes and patio containers, where the broad-lobed, evergreen leaves provide all-year-round interest! Grow them alone for a fountain of foliage, or in mixed baskets to add texture and contrast. Vigorous and easy to grow, Heucherella 'Trailing Collection' also makes a fantastic groundcover plant for sun or part shade. Height: 25cm (10"). Spread: 60cm (24").


  • Collection comprises:
  • Heucherella 'Crimson Cascade' – Wonderful green to copper-red foliage with contrasting dark veins.
  • Heucherella 'Yellowstone Falls' – Striking lime green leaves with crimson markings.
  • Heucherella 'Redstone Falls' – Vibrant green and ruby red leaves creating a mixture of autumnal colours which change with the seasons.
More info
    • 3 jumbo plug plants

    • Despatch: By end of August 2014
    •  
    • £14.99
    • 6 jumbo plug plants

    • Despatch: By end of August 2014
    • Save £9.99  
    • £29.98 £19.99