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 6 products.
 

Dianthus 'Doris'

Carnation, 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 dianthus Postiplug plants

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 10 dianthus Postiplug plants

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

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 dianthus Postiplug plants

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 10 dianthus Postiplug plants

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

Heuchera 'Prince of Silver' (Large Plant)

Coral Flower, Coral Bells

  • New in 2015
The shimmering leaves of Heuchera ‘Prince of Silver' are overlaid with dark purple veins which age to a gentle shade of mossy green. In spring, the eye-catching foliage is joined by delicate sprays of creamy flowers that emerge from pink buds. This lovely herbaceous evergreen forms neat clumps which provide year round interest in containers and borders. A superb perennial that will attract pollinating insects to its nectar rich blooms. Height: 45cm (18"). Spread: 30cm (12").
More info
    • 1 x 2 litre potted heuchera plant

    • Despatch:
    •  
    • £8.99
    • Out of stock
    • 2 x 2 litre potted heuchera plants

    • Despatch:
    •  
    • £14.99
    • Out of stock

Achillea filipendulina 'Coronation Gold' (Large Plant)

Yarrow

One of the very best herbaceous perennials for a mixed border, Achillea is easy to grow and a low maintenance plant. 'Coronation Gold' is a popular variety, which has flat heads of golden-yellow flowers over a long summer period.

Achillea loves a hot, sunny border and will add colour to your summer garden for a minimum of effort. The flower heads are incredibly eye-catching and plants are quick to establish, filling a gap in the border. Height: 1m (39"). Spread: 50cm (20").

More info
    • 1 x 1 litre potted achillea plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 2 x 1 litre potted achillea plants

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

Perovskia 'Blue Spire' (Large Plant)

Russian Sage

Perovskia ‘Blue Spire' is an easy maintenance plant, which is particularly at home in a bright, sunny border. Plants of Russian Sage are drought resistant, and will establish quickly and easily, and are ideal for beginners and first time gardeners. They can also be grown in coastal areas quite successfully.

The foliage of Perovskia is silvery and aromatic, and plants will look fantastic when planted en masse. The blue flowers combine well, and are useful for colour later in the summer. Plants of Russian Sage are loved by bees and butterflies, and ‘Blue Spire' also holds an RHS Award of Garden Merit. Height: 120cm (48"). Spread: 1m (39").

More info
    • 1 x 3.5 litre potted perovskia plant

    • Despatch: By end of August 2015
    •  
    • £10.99
    • 2 x 3.5 litre potted perovskia plants

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

Artemisia arborescens 'Powis Castle' (Large Plant)

Artemisia arborescens 'Brass Band', Wormwood

 Customer Rating

A common sight in stately home gardens and local parks, Artmesia is often chosen due to its resilient, drought tolerant, easy grow attitude.

The holder of an esteemed RHS AGM, 'Powis Castle' is a hardy perennial which is evergreen, easy to maintain and can add a silver glint to borders. Use Artemisia as edging for pathways in cottage garden style borders. Height and Spread: 50cm (19").

More info
    • 1 x 1 litre potted artemisia plant

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

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