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 156 products.
 

Astilbe japonica 'Montgomery' (Large Plant)

False Goatsbeard

Astilbe japonica 'Montgomery' has deep, scarlet-red plumes from early summer, set against bronze-green foliage. These hardy perennials grow well in sun or shade, and are ideal for cottage garden borders or patio pots. If you're looking for a plant for a damp, shady corner that can cope with soil that may be waterlogged occasionally, then make Astilbe your choice. Astilbe plants are bushy and easy to maintain, and are rabbit resistant. Height: 70cm (28"). Spread: 45cm (18").

More info
    • 1 x 1 litre potted astilbe plant

    • Despatch:
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    • £9.99
    • Out of stock
    • 2 x 1 litre potted astilbe plants

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    • £16.99
    • Out of stock

Cosmos atrosanguineus 'Dark Secret' (Large Plant)

Bidens atrosanguinea, Chocolate Plant

Chocoholics need to stop right here- Chocolate Cosmos flowers have the ultimate chocolate fragrance! The flowers are just as sensual in their appearance- in deep maroon, and held aloft neat clumps of foliage.

Chocolate Cosmos can be used in many different ways in the garden; as a container plant, border plant or bedding plant. Plants enjoy hot summers, and are quite drought tolerant.Height and Spread: 50cm (19").

More info
    • 1 x 1 litre potted cosmos plant

    • Despatch:
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    • £9.99
    • Out of stock
    • 2 x 1 litre potted cosmos plants

    • Despatch:
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    • £16.99
    • Out of stock

Monarda didyma 'Cranberry Lace' (Large Plant)

Bergamot

Bergamot are unusual-looking perennials that have aromatic foliage and whorls of spidery blooms made up of tubular petals. Monarda ‘Cranberry Lace' is a compact, short Bergamot with bright pink, and a built-in resistance to powdery mildew problems.

Bergamot is perfect for cottage garden borders where it can quickly form dense, easy to grow clumps. Bergamot flowers are great for the wildlife garden, as they are loved by bees. Height: 90 cm (36"). Spread: 45cm (18").


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

More info
    • 1 x 1 litre potted monarda plant

    • Despatch:
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    • £9.99
    • Out of stock
    • 2 x 1 litre potted monarda plants

    • Despatch:
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    • £16.99
    • Out of stock

Tradescantia 'Bilberry Ice' (Large Plant)

Tradescantia Andersoniana Group, Spider Lily

Tradescantia ‘Bilberry Ice' is a new selection, with glacier blue-coloured florets. A succession of bright flowers with unusual, triangular-shaped petals are produced in clusters over a long period from summer to autumn. The quick-forming clumps of sword-like foliage make this perennial quite distinctive, and excellent for ground cover and filling gaps in borders. Tradescantia plants are extremely versatile and will require very little maintenance, growing easily in most soils and situations. Plants are surprisingly rabbit resistant too! Height and spread: 45cm (18"). More info
    • 1 x 2 litre potted tradescantia plant

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    • £10.99
    • Out of stock
    • 2 x 2 litre potted tradescantia plants

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    • £19.99
    • Out of stock

Geum 'Cosmopolitan' (Cocktails series) (Large Plant)

Avens

This new variety of Avens is particularly pretty with semi double, ruffles of petals in a blend of rose-pink and creamy-apricot. Geum 'Cosmopolitan' forms a neat clump of semi evergreen foliage that is well proportioned for the front of sunny borders. Flowering from late spring into summer, the nectar rich blooms of this hardy perennial are loved by pollinators and make delightful cut flowers too. Height: 60cm (24"). Spread: 45cm (18"). More info
    • 1 x 2 litre potted geum plant

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    • £12.99
    • Out of stock
    • 2 x 2 litre potted geum plants

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    • £19.99
    • Out of stock

Fuchsia 'Giants Cecile' (Large Garden Ready Plant)

Wide double flowers up to 6cm (2&frac1/2") across in shades of pink and lavender dangle from gently cascading stems. Fill your baskets, window boxes, Flower Pouches and containers with Fuchsia ÔCecile' for a cascade of colour all summer long. Height: 30cm (12"). Spread: 45cm (18").

Useful links:

How to grow fuchsias


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

More info
    • 1 x 3 litre potted fuchsia plant

    • Despatch:
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    • £9.99
    • Out of stock
    • 2 x 3 litre potted fuchsia plants

    • Despatch:
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    • £14.99
    • Out of stock

Fuchsia 'Flying Scotsman' (Large Garden Ready Plant)

This floriferous variety produces masses of flowers with pretty, reflexed white sepals and double pink frilled skirts with streaks of white. The gently cascading stems of Fuchsia ÔFlying Scotsman' make it ideal for baskets, window boxes, Flower Pouches, and containers. Height: 30cm (12"). Spread: 45cm (18").

Useful links:

How to grow fuchsias


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

More info
    • 1 x 3 litre potted fuchsia plant

    • Despatch:
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    • £9.99
    • Out of stock
    • 2 x 3 litre potted fuchsia plants

    • Despatch:
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    • £14.99
    • Out of stock

Fuchsia 'Holly's Beauty' (Large Garden Ready Plant)

Giant, sculptured flowers in a carousel of pastel pink frills. This fantastic, trailing fuchsia features large blooms of up to 6cm (2? ") across that hang from cascading stems. Fuchsia 'Holly's Beauty' creates a spectacular trailing display for baskets, window boxes, Flower Pouches, and containers. Height: 30cm (12"). Spread: 45cm (18"). More info
    • 1 x 3 litre potted fuchsia plant

    • Despatch:
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    • £9.99
    • Out of stock
    • 2 x 3 litre potted fuchsia plants

    • Despatch:
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    • £14.99
    • Out of stock

Fuchsia 'Royal Mosaic' (Large Garden Ready Plant)

This fantastic, trailing fuchsia features extra large blooms of up to 10cm (4") across. The giant, sculptured, fully double purple flowers are streaked with pale pink in layer upon layer of lavish ruffles. Vigorous and free flowering, Fuchsia ÔRoyal Mosaic' will create a cascade of colour in your baskets, window boxes, Flower Pouches and containers. Height: 30cm (12"). Spread: 45cm (18").

Useful links:

How to grow fuchsias


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

More info
    • 1 x 3 litre potted fuchsia plant

    • Despatch:
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    • £9.99
    • Out of stock
    • 2 x 3 litre potted fuchsia plants

    • Despatch:
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    • £14.99
    • Out of stock

Fuchsia 'Giants Bella Rosella' (Large Garden Ready Plant)

  • New in 2015
Giant ruffled pink blooms with layer upon layer of petals make an opulent display. Fuchsia ÔBella Rosella' carries its lavish flowers on gently semi trailing stems that will spill from your hanging baskets and containers in a cascade of long lasting colour. This superb variety holds an RHS AGM for its excellent garden performance. Height: 30cm (12"). Spread: 45cm (18").

Useful links:

How to grow fuchsias


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

    • 1 x 3 litre potted fuchsia plant

    • Despatch:
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    • £9.99
    • Out of stock
    • 2 x 3 litre potted fuchsia plants

    • Despatch:
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    • £14.99
    • Out of stock

Achillea filipendulina 'Cloth of Gold' (Large Plant)

Yarrow

Achillea 'Cloth of Gold' is an indispensible border plant, with flat, plate-like, mustard yellow flower heads carried above finely-cut, ferny foliage. This free flowering perennial is undemanding and easy to grow, making a bright splash of summer colour in borders and meadows. Achillea flowers make a charming cut flower and can be dried for everlasting flowers too. Height: 1.5m (59"). Spread: 45cm (18"). More info
    • 1 x 1 litre potted achillea plant

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

    • Despatch: By end of September 2015
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    • £14.99

Campanula lactiflora 'Dwarf Pink' (Large Plant)

Milky Bellflower

The Milky Bellflower has long been a cottage garden favourite. This pretty cultivar bears a profusion of rose-pink, star shaped flowers from May to August which provide a valuable source of nectar for bees and other pollinators. Although not as small as its name might suggest, Campanula lactiflora 'Dwarf Pink' is certainly more compact than the rest of its species, maintaining a neat habit in garden borders. This hardy perennial is quick to flower and perfect for filling gaps in herbaceous borders. The blooms make an attractive cut flower too. Height: 90cm (35"). Spread: 45cm (18"). More info
    • 1 x 1 litre potted campanula plant

    • Despatch: By end of April 2016
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    • £9.99
    • 2 x 1 litre potted campanula plants

    • Despatch: By end of April 2016
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    • £14.99