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 15 products.
 

Lewisia '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 plug plants

    • Despatch: By end of May 2015
    •  
    • £16.99
    • 48 plug plants

    • Despatch: By end of May 2015
    •  
    • £21.99

Fuchsia 'Pink Elephant'

  • T&M 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 May 2015
    •  
    • £9.99
    • 10 Postiplug plants

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

SunDiascia 'Eternal Flames'

Twinspur

 Customer Rating
  • T&M exclusive
  • Brand new hardy diascia
This lovely South African plant produces slender spires, packed with pretty tubular blooms, over a remarkably long flowering period. Diascia 'Eternal Flames' will fill borders, beds and containers with vibrant shades of orange and pink from June to October. Although Twinspur is generally grown as an annual, it is actually perennial and hardy to -8C (18F), so it can be easily overwintered with some protection from winter weather. Height and spread: 30cm (12").
More info
    • 3 Postiplug plants

    • Despatch: By end of May 2015
    •  
    • £7.99
    • 9 Postiplug plants

    • Despatch: By end of May 2015
    •  
    • £11.99

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 plug plants

    • Despatch: By end of May 2015
    •  
    • £12.99
    • 72 plug plants

    • Despatch: By end of May 2015
    •  
    • £17.99

Cosmos atrosanguineus 'Chocamocha'

Chocolate Cosmos, Bidens atrosanguineus

A ‘must have’ plant for gardening chocoholics! You’ll be amazed by the luxurious, velvety blooms in rich cocoa shades that even smell of chocolate. Cosmos atrosanguineus 'Chocamocha' is particularly compact and much shorter than other cultivars, so the red-brown stems won’t require staking. Chocolate Plants make as fabulous container plant and associate beautifully with fiery shades in hot coloured perennial borders. Although often grown as an annual, this lovely Cosmos can easily be over-wintered as a perennial when grown in containers and kept in frost free conditions. Height and spread: 30cm (12").
More info
    • 3 jumbo plug plants

    • Despatch: By end of May 2015
    •  
    • £12.99
    • 6 jumbo plug plants

    • Despatch: By end of May 2015
    • SAVE £7.99  
    • £25.98 £17.99

Mimulus x hybridus 'Magic Rainbow'

Diplacus, Monkey Flower, Musk

 Customer Rating
These low growing, bushy mimulus plants produce masses of tubular blooms, looking much like exotic, wide snapdragon flowers. Although monkey flowers are tender perennials, they are best treated as an annual for beds, containers and baskets, except in the mildest parts of the country. Mimulus 'Magic Rainbow' is ideal to add a bright splash of summer colour from June to August in lightly shaded, moist beds in the garden. Height and spread: 30cm (12?).
More info
    • 36 plug plants

    • Despatch: By end of May 2015
    •  
    • £11.99
    • 72 plug plants

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

Mazus reptans

  • Try a new ground cover idea
This low growing, matt-forming perennial is perfect for filling gaps between stepping stones or at the front of sheltered borders and rockeries. The spreading foliage of Mazus reptans forms a dense carpet that is covered in pretty lilac-blue flowers with a yellow-spotted lower lip. This hardy, ground cover alpine has a long flowering period from late spring to July. Height: 5cm (2"). Spread: 30cm (12").
More info
    • 5 jumbo plug plants

    • Despatch: By end of May 2015
    •  
    • £14.99
    • 10 jumbo plug plants

    • Despatch: By end of May 2015
    • SAVE £9.99  
    • £29.98 £19.99

Dianthus barbatus 'Messenger'

Sweet William

A cottage garden favourite with the sweetest perfume! Clusters of flowers in shades of white, pink and mauve are produced in summer on stiff upright stems. The fragrant blooms of Sweet William 'Messenger' are particularly attractive to bees and make a superb cut flower for a vase indoors. Often grown as a biennial, this short lived perennial is ideal for cottage garden borders, beds and containers. Height: 60cm (24?). 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 August 2015
    •  
    • £9.99
    • 72 plug plants

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

Oxalis triangularis 'Burgundy Wine' (Large Plant)

Shamrock, Sorrel

The handsome ornamental foliage of this burgundy shamrock is rich burgundy-red with separate triangular shaped lobes. With an attractive summer display of tubular pink flowers, this frost tender perennial oxalis makes a delightful container plant for a conservatory or bright windowsill. In very mild areas Oxalis triangularis ‘Burgundy’ can be grown in sheltered borders or alpine gardens. Height: 20cm (8"). Spread: 30cm (12"). More info
    • 1 x 2 litre potted plant

    • Despatch: By end of June 2015
    •  
    • £9.99
    • 2 x 2 litre potted plants

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

Oxalis 'Sunny' (Large Plant)

Shamrock, Sorrel

The Burgundy Shamrock is versatile, and can be used in summer patio pots, bedding, borders, rockeries, or beneath trees and shrubs. Oxalis 'Sunny' is particuarly handsome, with leaves carrying in burgundy and ruby colourings.

The rich foliage is accompanied by tubular pink flowers from spring to summer. In very mild areas, Oxalis can be grown in sheltered borders or patio pots. The spring foliage looks especially pretty against spring bulbs. Height: 20cm (8"). Spread: 30cm (12").

More info
    • 1 x 2 litre potted plant

    • Despatch: By end of June 2015
    •  
    • £9.99
    • 2 x 2 litre potted plants

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

Pachysandra terminalis 'Green Carpet' (Large Plant)

Pachysandra terminalis ‘Green Carpet’ is an excellent plant for creating a carpet of green beneath trees and shrubs. Plants are mat-forming, and excellent at stopping weeds from taking hold. The evergreen foliage is textured, decorative and plays host to spikes of misty white flowers from early summer.

Easy to grow ground cover for awkward, shady borders, Pachysandra is the perfect choice for low-maintenance gardening. Plants stay low at just 15cm (6") and are ideal for small, oddly-shaped areas, edgings or patio containers. Height: 15cm (6"). Spread: up to 1m (39").

More info
    • 1 x 9cm potted plant

    • Despatch: By end of May 2015
    •  
    • £9.99
    • 2 x 9cm potted plants

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

Fuchsia 'Orange King'

Marvel at the extraordinary-coloured, 10cm (4”) wide flowers of trailing Fuchsia ‘Orange King’. Layer upon layer of lavish double orange-pink ruffles form these giant, sculpted flowers. With a vigorous and free flowering habit, Fuchsia ‘Orange King’ will create a cascade of colour in your baskets, window boxes, Flower Pouches™ and containers. Height and 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 May 2015
    •  
    • £9.99