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 10 products.
 

Dicentra spectablis (Large Plant)

Lamprocapnos spectabilis, Bleeding Heart, Dutchman's Breeches, Lyre Flower

  • New in 2015
Charming rose-pink, heart shaped flowers dangle enticingly from elegant arching stems, giving this plant its common name of Bleeding Heart. This beautiful spring flowering perennial is one of the earliest to bloom each year, often continuing into early summer. The finely-cut foliage forms attractive clumps that increase year after year, at a slow but steady rate. This graceful hardy perennial enjoys a reliably moist soil, making it ideal for damp woodland areas as well as cottage garden borders. Dicentra spectabilis holds an RHS AGM for its superb garden performance and makes a worthy addition to any Spring garden. Height: 120cm (48”). Spread: 45cm (18”).
More info
    • 1 x 1 litre potted dicentra plant

    • Despatch: By end of February 2015
    •  
    • £9.99
    • 2 x 1 litre potted dicentra plants

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

Dianthus 'Gran's Favourite'

Carnation, 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 March 2015
    •  
    • £9.99
    • 10 Postiplug plants

    • Despatch: By end of March 2015
    • SAVE £4.99  
    • £19.98 £14.99

Lady's Slipper Orchid

Cypripedium reginae, Showy Lady's Slipper Orchid

A fascinating hardy terrestrial orchid that will create an impressive talking point in your garden. The Lady's Slipper Orchid produces exquisite white blooms with pronounced cerise pink pouches. These unusual orchids are perfectly hardy grown in moist soil in the dappled shade of trees. Height: 75cm (30"). Spread: 30cm (12"). More info
    • 1 bare root plant

    • Despatch:
    •  
    • £19.99
    • Out of stock

Centranthus ruber 'Albus' (Large Plant)

Valerian

If you're looking for a hardy perennial that can cope with poor soils, then Valerian is the plant for you. Centranthus ruber 'Albus' will thrive when growing from the base of walls or in coastal gardens, they are very drought resistant and flower almost non-stop through the summer.

The flowering performance of Valerian is incredible, with clusters of clean white blooms from spring through to autumn. Height and spread: 100cm (39").

More info
    • 1 x 1 litre potted centranthus plant

    • Despatch: By end of February 2015
    •  
    • £9.99
    • 2 x 1 litre potted centranthus plants

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

Agapanthus africanus 'Albus' (Large Plant)

African Lily

Exotic, hardy plants with globes made up of many small, trumpet-like blooms in pure white, coming up from robust, grassy foliage. Agapanthus africanus 'Albus' makes an outstanding border perennial for a sunny position in the garden.

African Lilies also make attractive patio container plants; especially in aged terracotta containers. They are easy maintenance plants, and only need re-potting every few years. For something new, try cutting a few blooms of your African Lilies and display them in a vase indoors. Height: 1m (39"). Spread: 50cm (19").

More info
    • 1 x 1 litre potted agapanthus plant

    • Despatch: By end of February 2015
    •  
    • £10.99
    • 2 x 1 litre potted agapanthus plants

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

Allium stipitatum 'Mount Everest' (Large Plant)

Ornamental Onion

Allium bulbs are very easy to grow, and will look after themselves in the garden. Allium 'Mount Everest' produces globes of more than 50 star-shaped blooms during June, just after the spring bulbs, but before the summer bedding comes into flower.

Allium are ideal for dry gardens, and there is no need to lift the bulbs at the end of the season, as they are fully hardy. You will be amazed at how beautiful these flowers can be, for the minimum of effort! Height: 1.2m (3.9'). Spread: 15cm (6").

More info
    • 1 x 3 litre potted allium plant

    • Despatch: By end of February 2015
    •  
    • £10.99
    • 2 x 3 litre potted allium plants

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

Anemone x hybrida 'Honorine Jobert' (Large Plant)

Japanese Anemone

A classic Anemone, which is incredibly easy to grow, and gives impressive displays from late summer to autumn, coming back every year. Anemone x hybrida 'Honorine Jobert'will perform best in a shady garden, and will spread quickly and easily.

Japanese Anemones are reliable garden plants, which are ideal for first time gardeners. Plants will last for years in the garden, and are very rabbit resistant. Height and Spread: 90cm (35").

More info
    • 1 x 1 litre potted anemone plant

    • Despatch: By end of February 2015
    •  
    • £9.99
    • 2 x 1 litre potted anemone plants

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

Anemone sylvestris (Large Plant)

Snowdrop Anemone

Sometimes affectionately known as the Snowdrop Anemone, this charming perennial has nodding white, softly fragrant flowers each spring, which combine well with spring bulbs.

This Anemone will naturalise very easily in the right position, and you will soon have drifts of snowy white blooms running through shady borders. Anemone sylvestris is a very quick growing plant which is unfussy and maintenance-free. Height: 30cm (12"). Spread: 50cm (19").

More info
    • 1 x 2 litre potted anemone plant

    • Despatch: By end of February 2015
    •  
    • £10.99
    • 2 x 2 litre potted panemone lants

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

Aster ericoides 'Schneetanne' (Large Plant)

Crinitaria, Microglossa

Heath Aster is a pretty little plant, which is hugely attractive to butterflies, and perfect for the wildlife garden. The prostrate, semi-trailing habit of Aster ericoides 'Schneetanne' is great for ground cover on banks and in borders.

Asters are perfect for keeping the garden colourful and interesting, as they provide welcome autumn colour, when all the summer bedding has faded. Height: 50cm (19"). Spread: 1m (39").

More info
    • 1 x 1 litre potted aster plant

    • Despatch: By end of February 2015
    •  
    • £9.99
    • 2 x 1 litre potted aster plants

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

Gaura lindheimeri 'Rosyjane' (Large Plant)

Gaura is a welcome addition to a mixed perennial border. The wiry, informal plants will fill gaps quickly and easily, with flowers from May to September, that's 5 months of summer colour!

Gaura 'Rosyjane' is a breeding breakthrough, with large flowers, pure white and edged in candy pink. A star of the Chelsea Flower Show, and a real treat for your cottage garden border! Quick to establish and form clumps. Height and Spread: 60cm (24").

More info
    • 1 x 2 litre potted plant

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

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