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.


For beautiful summer flowers browse our range of annual plants.



We have found 596 products.
 

Scabious 'Blue Jeans'

Scabiosa atropurpurea, Pincushion Flower

 Customer Rating
An abundance of blue pincushion scabious flowers will attract bees and butterflies throughout summer. The tall, wiry stems can also be cut to create a pretty display indoors. Scabiosa 'Blue Jeans' blends well among cottage garden borders, where they look particularly effective planted in large drifts. Height and spread: 45cm (18").
More info
    • 6 scabious plug plants

    • Despatch: By end of August 2016
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    • £5.99

Fuchsia 'Purple Rain'

This striking variety bears fully double, ruffled petals that burst from pristine white sepals in a fabulous colour contrast. The gently cascading stems of trailing Fuchsia 'Deep Purple' are filled with blooms of up to 6cm (2 &frac1/2") diameter. A wonderful variety that will add a touch of luxury to your hanging baskets, flower pouches and patio containers this summer! Height: 30cm (12"). Spread: 45cm (18").

Useful links:

How to grow fuchsias


Culinary note: Add the beautiful coloured flowers to salads, crystallise them for a sweet garnish or add them to jellies for an extra splash of colour. For more details about edible flowers click here.

More info
    • 5 fuchsia Postiplug plants

    • Despatch:
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    • £9.99
    • Out of stock
    • 10 fuchsia Postiplug plants

    • Despatch:
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    • £14.99
    • Out of stock

Dianthus 'Ever-blooming Mixed' (Hardy)

Carnation

Strong upright stems carry large ruffled blooms in a vibrant mix of red, orange, yellow and pink carnations. These hardy perennial dianthus are cottage garden essentials. The fragrant carnation flowers are excellent for cutting for a bright display indoors. Perfectly proportioned for the front of sunny borders where their mounds of silvery green foliage remain evergreen throughout the year. Height: 60cm (24"). Spread: 40cm (16").

 

Culinary note: Dianthus flowers are edible.

Culinary note: Use the clove like tasting petals for adding to cakes, either for flavour or decorating, suitable for soups, salads and sauces too. For more details about edible flowers click here.

More info
    • 6 dianthus plug plants

    • Despatch: By end of August 2016
    •  
    • £5.99
    • 72 dianthus plug plants

    • Despatch: By end of September 2016
    • Double up 36 to 72 for £5 extra  
    • £15.99

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: Use the clove like tasting petals for adding to cakes, either for flavour or decorating, suitable for soups, salads and sauces too. For more details about edible flowers click here.

More info
    • 5 dianthus Postiplug plants

    • Despatch:
    • save £2  
    • £9.99 £7.99
    • Out of stock
    • 10 dianthus Postiplug plants

    • Despatch:
    • SAVE £2  
    • £14.99 £12.99
    • Out of stock

Anemone hybrida 'Queen Charlotte'

Japanese Anemone, Anemone x hybrida 'Konigin Charlotte'

It's easy to overlook the late show in your garden, as you scramble to fill it with summer colour. But, these superb Japanese anemones will take the blooming relay torch from summer bedding and carry it well into the autumn. Anemone 'Queen Charlotte' is the pick of the bunch, with an extra layer of pure pink petals. Height: 90cm (35"). Spread: 60cm (24").

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    • 1 anemone jumbo plug plant

    • Despatch:
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    • £9.99
    • Out of stock
    • 3 anemone jumbo plug plants

    • Despatch:
    • SAVE *£9.98  
    • £29.96 £19.99
    • Out of stock

Coreopsis grandiflora 'Presto'

Tickseed

 Customer Rating
Coreopsis 'Presto' is so long-flowering and colourful that you can mix it up with summer bedding annuals to achieve a truly amazing, long lasting display. Neat, compact plants are smothered in golden-yellow, semi-double flowers all summer long. This versatile tickseed plant will grow almost anywhere, even in dry soil! Height and spread: 45cm (18").
More info
    • 6 coreopsis plug plants

    • Despatch: By end of August 2016
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    • £5.99
    • 72 coreopsis plug plants

    • Despatch: By end of August 2016
    • Double up 36 to 72 for £5 extra  
    • £21.98 £15.99

Cosmos atrosanguineus 'Eclipse'

Bidens atrosanguinea, Chocolate Plant

We've topped our chocolate cosmos offering with the richest scent and colour. Cosmos 'Eclipse' surpasses all previous introductions with a scent that is utterly divine, emanating from deeply rich maroon flowers that are so dark and sensual they appear almost black – certainly the darkest cosmos you'll find on the market. Cosmos 'Eclipse' is the must-have garden plant for all chocaholics out there, the rich scent will fill the garden on a calm sunny day - you'll think someone has unwrapped your favourite chocolate bar! These sturdy cosmos plants add luxury and scent to summer containers and seasonal bedding displays. If you are looking to get 'beach fit' for you summer holiday this year, Cosmos 'Eclipse' might not be for you - you'll be heading for the snack cupboard every time you walk past your plants! Height: 45cm (18"). Spread 30cm (12"). More info
    • 4 cosmos Postiplug plants

    • Despatch: By end of July 2016
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    • £9.99
    • 8 cosmos Postiplug plants

    • Despatch: By end of July 2016
    • SAVE *£1.99  
    • £19.98 £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 mimulus plug plants

    • Despatch:
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    • £12.99
    • Out of stock
    • 72 mimulus plug plants

    • Despatch:
    • SAVE *£7.99  
    • £25.98 £17.99
    • Out of stock

Geum 'Blazing Sunset'

Avens

 Customer Rating
Fully double, scarlet red Geum flowers rise above clumps of foliage on thin, wiry stems. Geum 'Blazing Sunset' adds a bright splash of colour to borders - the large flowers make a dazzling and unusual addition to cut flower arrangements too. These colourful hardy perennials are so easy to grow that we can't understand why they're not more commonly grown! Height and spread: 60cm (24").
More info
    • 6 geum plug plants

    • Despatch: By end of August 2016
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    • £5.99

Actaea cordifolia (Large Plant)

Cimicifuga racemosa var. cordifolia, Bugbane, Cohosh

 Customer Rating

Cimicifuga is an attractive border perennial with an exotic appearance. Actaea has a robust habit, and can fill a gap in the border with its fancy foliage and summer flower spikes, which are tall and imposing.

The flower spikes of Actaea are made up of many tiny florets, and these have a spicy fragrance. Cimicifuga is a long-lasting plant, surviving for many years, and is very useful for difficult situations, such as cold, wet corners of the garden. Height: 1m (39"). Spread: 50cm (20").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted actaea plant

    • Despatch: By end of July 2016
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    • £9.99
    • 2 x 1 litre potted actaea plants

    • Despatch: By end of July 2016
    •  
    • £16.99

Helenium 'Moerheim Beauty' (Large Plant)

Helen's Flower, Sneezeweed

Don't get caught out with a colour-less, late summer garden - Helenium actually flower much later in the summer, so are excellent for extending the season of colour! Helenium 'Moerheim Beauty' is a choice variety, with copper-red flowers.

This hardy perennial is loved by bees and butterflies, and is the proud holder of an RHS Award of Garden Merit, so comes highly recommended as a reliable garden plant. Sneezeweed is tall, and is great for filling gaps in borders and adding height. It looks particularly good with grasses. Height: 90cm (36"). Spread: 60cm (24").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 3 litre potted helenium plant

    • Despatch: By end of July 2016
    •  
    • £14.99
    • 2 x 3 litre potted helenium plants

    • Despatch: By end of July 2016
    •  
    • £24.99

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").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted anemone plant

    • Despatch: By end of July 2016
    •  
    • £9.99
    • 1 x 2 litre potted anemone plant

    • Despatch: By end of July 2016
    •  
    • £12.99
    • 2 x 1 litre potted anemone plants

    • Despatch: By end of July 2016
    •  
    • £16.99
    • 2 x 2 litre potted anemone plants

    • Despatch: By end of July 2016
    •  
    • £19.99