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 100 products.
 

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

Dianthus Lucky Dip

Pink

Buy our great value 'surprise' packs of 'pinks'. For just £4.99 you can receive a pack of pinks worth £9.99. To allow us to offer you such a good price, we can't take orders for specific varieties, but whatever we decide to send, you won't be disappointed!


Each customer can order up to 5 'Lucky Dip' packs. If you order more than 1 pack, we'll do our best to send a different variety for each pack ordered, subject to availability. A pack represents a single variety and not a mixture of several varieties.

 

Culinary note: Dianthus flowers are edible.

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click hereOther Lucky Dip Products

More info
    • 1 lucky dip

    • Despatch: By end of August 2014
    •  
    • £9.99 £4.99

Geranium maderense

Giant Herb Robert, Madeira Cranesbill

  • RHS Award of Garden Merit
  • The palm tree geranium
Geranium maderense is a magnificent tender perennial. The Madeira Cranesbill is the largest of the Geranium species, and certainly one of the most impressive, reaching a height of 1.5m (4',9"). Although perennial, it often acts as a biennial, producing pretty magenta pink blooms in its second year. But you won't mind the wait - it will give you time to appreciate the exotic-looking, dissected, evergreen foliage that radiates from a stout central trunk. This spectacular RHS AGM species will need some winter protection so it is best grown in the conservatory or a large patio container which can be moved to a frost free position in winter. Height: 150cm (59"). Spread: 100cm (39").
More info
    • 1 x 12cm potted plant

    • Despatch: By end of August 2014
    •  
    • £19.99
    • 2 x 12cm potted plants

    • Despatch: By end of August 2014
    •  
    • £29.99

Dianthus 'Gran's Favourite'

Pink

This well loved RHS AGM variety is as popular as ever for its white blooms with raspberry picotee edges. The clove scented flowers of Dianthus 'Gran's Favourite' are produced in abundance above a carpet of silvery green foliage. With such a prolific flowering period there will be plenty of blooms to spare for a vase indoors. This super little Pink is perfectly hardy and a makes a lovely addition to the front of cottage garden borders. Height and spread: 40cm (16").


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

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

Dianthus 'Doris'

Pink

This well known RHS AGM variety is one of the longest flowering Pinks you'll find. An abundance of double pink flowers with deep pink centres are produced all summer long, above mats of silvery green foliage. With a rich, sweet fragrance, Dianthus 'Doris makes a delightful cut flower that will fill your home with fragrance. This compact hardy perennial is perfect for alpine gardens and rockeries or planted through the front of beds and borders. Height and spread: 25cm (10").


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

More info
    • 5 Postiplug plants

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

    • Despatch: By end of August 2014
    •  
    • £14.99

Fuchsia 'Pink Elephant'

  • World Exclusive
The double flowers of Fuchsia 'Pink Elephant' unfurl from long, rose-like buds to reveal layer upon layer of sumptuous pale pink ruffles. With a gentle cascading habit, this lovely half-hardy fuchsia makes a spectacular summer display in hanging baskets, flower pouches® and containers. Height: 25cm (10"). Spread: 30cm (12").

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

More info
    • 5 Postiplug plants

    • Despatch: By end of March 2015
    •  
    • £10.99
    • 10 Postiplug plants

    • Despatch: By end of March 2015
    •  
    • £15.99

Dianthus 'Rainbow Loveliness Improved Mixed'

Pink

Unusual blooms with deeply cut petals give Dianthus 'Rainbow Loveliness Improved Mixed' a soft, feathery appearance. These pretty, eye-catching pinks have a gentle, sweet fragrance that makes them a delightful cut flower for a vase indoors. These compact hardy perennials will quickly form attractive clumps at the front of borders and rockeries, or try planting them in containers for a low maintenance display on the patio. Height and spread: 30cm (12").

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

More info
    • 12 plug plants

    • Despatch: By end of September 2014
    •  
    • £8.99
    • 24 plug plants

    • Despatch: By end of September 2014
    • SAVE £4.99  
    • £17.98 £12.99

Dianthus deltoides 'Arctic Fire'

Maiden Pink

  • New in 2014
  • Ground cover pinks

Long lasting, white jagged-edged petals with a fiery red eye smother this dwarf hardy perennial throughout summer. Dianthus deltoides 'Arctic Fire' forms neat clumps of silver green foliage that makes stunning ground cover and looks superb as a path edging or dotted throughout rockeries. Height: 20cm (8"). Spread: 30cm (12").


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

More info
    • 36 plug plants

    • Despatch: By end of September 2014
    •  
    • £11.99
    • 72 plug plants

    • Despatch: By end of September 2014
    • Double up 36 to 72 for £5 extra  
    • £23.98 £16.99

Geranium 'Black Velvet Mix' F1

Pelargonium, Zonal Geranium, Zonal Pelargonium

  • Rarely available
For hassle-free gardening, look no further than our pre-planted pots for easy summer-long colour. We’re always on the look out for ways to make life simpler for our gardening customers. So what could be easier than pots which are already planted up? We’ve taken the hard work out of creating wonderfully colourful displays - just order our pre-planted pots and baskets of your favourite varieties and position them where you’ll most enjoy their summer colour. Then all you need to do is water them and wait!

Dark, enigmatic foliage makes a startling foil for the beguiling bright blooms of Geranium 'Black Velvet Mix' in four striking colours. The unique black leaves, produced on upright bushy plants, are edged with just a hint of green. This boldly coloured zonal geranium makes a striking addition to pots, beds and borders for long lasting summer colour. Height: 40cm (14”). Spread: 30cm (12”). Patio Pot: 33cm diameter, 26cm high.

 

More info
    • 1 x garden-ready pot with 3 plants

    • Despatch:
    • Add a 2nd pot for just £9.99  
    • £19.99
    • Out of stock

Perennial 'Best Value' Collection

Fill your beds and borders with this bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").

  • Collection includes;

  • Poppy 'Pizzicato' Mixed - A neat semi dwarfing variety, producing up to 20 large flowers per plant! Height: 50cm (19"). Spread: 30cm (12").
  • Digitalis 'Dalmation Mixed' - Well branched, compact, dwarf plants. Height: 50cm (20"). Spread: 40cm (16").
  • Echinacea 'Primadonna' - Beautiful pink daisy flowers with petals that radiate outwards instead of downwards. Height: 85cm (33"). Spread: 45cm (18").
  • Coreopsis 'Presto' - Neat, compact plants are smothered in golden-yellow, semi-double flowers all summer long. Height and spread: 45cm (18").
  • Verbena Bonariensis- Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. Height: 200cm (78"). Spread: 45cm (18").
  • Scabiosa 'Blue Jeans' - Blue pincushion flowers attract bees and butterflies throughout summer. Height and spread: 45cm (18").
  • Aquilegia 'Swan' Mixed - An abundance of large flowers on upright, multi-branched stems Height: 30cm (12"). Spread: 25cm (10").
  • Geum 'Blazing Sunset' - Fully double, large scarlet blooms are borne over a long period in summer. Height and spread: 60cm (24").
  • Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting. Height and spread: 30cm (12").
  • Gaillardia 'Arizona Sun' - A constant display of large flower heads in fiery shades of orange, yellow and red. Height: 30cm (12"). Spread: 45cm (18").
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Leucanthemum x superbum 'White Knight' - Pure white single flowers are produced in constant supply throughout summer.
More info
    • 72 plug plants - 6 of each variety

    • Despatch: By end of September 2014
    •  
    • £71.88 £19.99