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 438 products.
 

Buddleja 'Buzz'™ Collection

Buddleja davidii

  • World's first patio buddleja
  • Loved by butterflies and bees

A new twist on a much-loved garden favourite, 'Buzz'™ is the world's first patio buddleja! These attractive, compact plants are loved by bees and butterflies, but won't take over your garden. Buddleja 'Buzz'™ is easy to grow and problem-free with a super long-flowering period. Perfectly proportioned for patio pots and smaller gardens. Height and spread: 120cm (47”).
Collection comprises the following varieties. Please click on the product name to view the individual variety:
Buddleja 'Buzz™ Indigo'
Buddleja 'Buzz™ Sky Blue'
Buddleja 'Buzz™ Magenta'
Buddleja 'Buzz™ Ivory'

Useful links:

How to grow Buddleja Buzz™

More info
    • 4 buddleja jumbo plug plants - 1 of each variety

    • Despatch: By end of June 2015
    • SAVE £5  
    • £19.99 £14.99
    • 8 buddleja jumbo plug plants - 2 of each variety

    • Despatch: By end of June 2015
    • SAVE £5  
    • £29.99 £24.99

Golden Lysimachia

Lysimachia punctata, Dotted Loosestrife

  • A towering, elegant plant for the border
Bring some sunshine to your borders with this resilient cottage-garden favourite. Neat clumps of tall, elegant stems with striking yellow flowers are borne from mid-summer through until early autumn. Golden Lysimachia is great for difficult clay soils and shadier parts of the garden, thriving in damp borders, bog gardens or at the margins of a pond. Grow dotted loosestrife in woodland gardens or informal areas for a burst of late summer colour! Height: 90cm (35"). Spread: 60cm (24").
More info
    • 5 Postiplug plants

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

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

Buddleja 'Flower Power'

Buddleja x weyeriana 'Bicolor', Buddleia, Butterfly Bush

 Customer Rating
  • Best shrub for summer colour
Magical blooms transform from deepest violet to rich butterscotch yellow for an enchanting kaleidoscope of colour. The fragrant flowers of Buddleja 'Flower Power' are certain to attract butterflies and other beneficial insects to your garden. This colourful, low maintenance butterfly bush has a neat compact habit ? just perfect for small gardens.Height and spread: 200cm (79").
More info
    • 1 jumbo plug plant

    • Despatch: By end of June 2015
    •  
    • £12.99
    • 3 jumbo plug plants

    • Despatch: By end of June 2015
    • Treble up 1 to 3 plugs for 1p extra  
    • £13.00

Primrose 'Alaska Improved Mixed'

Primula

  • Exclusive extra-hardy primrose mix
  • Up to 20 colours
  • Best In Class for widest primrose colour mix - click here for details
Plant a rainbow of primroses with up to 20 different colours. Primrose 'Alaska Improved Mixed' are super hardy, blooming from winter all the way through to late spring. Once established in beds, borders and containers, these easy to grow perennials will virtually look after themselves. Height and spread: 20cm (8").

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

More info
    • 36 primrose plug plants

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 72 primrose plug plants

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

Viola 'Most Scented' Mix

Pansy

  • The most scented violas
Experience the unforgettable fragrance of Viola 'Most Scented Mix'. This exclusive mix exudes a spring-like perfume even on the coolest of winter days. With a cheery bright colour mix, their pretty faces bring a bright splash of colour that will continue well into late spring. Plant them in hanging baskets, window boxes and flower pouches™ and position them by a front door or kitchen window where you can really appreciate them. Height: 15cm (6"). Spread: 20cm (8").

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

More info
    • 36 Viola plug plants

    • Despatch: By end of August 2015
    •  
    • £8.99
    • 72 Viola plug plants

    • Despatch: By end of August 2015
    •  
    • £12.99

Primrose 'World's Most Scented Mix'

Primula

- The best ever fragrance mix
- Citrus and honey fragrance
- Colour throughout winter and spring

 

Let the sweet citrus scent and the fresh colour mix of these gorgeous primroses transport you into spring. Primrose 'Worlds Most Scented Mix' is our best ever selection of fragrant primroses in a range of bright, cheery colours that will look fabulous planted among your spring bulbs. Grow some in a pot by the back door to really enjoy their perfume. Height and spread: 20cm (8").

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

More info
    • 36 primrose plug plants

    • Despatch: By end of August 2015
    •  
    • £9.99
    • 72 primrose plug plants

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

Wallflower 'Sugar Rush'

Erysimum, Cheiranthus

 Customer Rating
  • 'Best New Bedding Plant' at the Grower of the Year Awards
  • Autumn and spring flowering
  • Super-vigorous
Winner in the 'Best New Bedding Plant' category at the Grower of the Year Awards 2013, this is one of the most exciting wallflowers to emerge in recent years. Dense, fragrant flower spikes in shades of cream, yellow, red and purple appear not only in the spring, but throughout the autumn too, blooming in just 6 weeks from an August planting! With a delightful sweet fragrance and compact, multi-branching habit, Wallflower 'Sugar Rush' is perfect for beds, borders, containers and window boxes, creating a mass of colour and scent when much of the garden is dormant. Versatile and undemanding, wallflowers are tough enough to cope in even the poorest soils. Height and spread: 30cm (12").
More info
    • 36 plug plants

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

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

Bellis perennis 'Pomponette'

Daisy

 Customer Rating
A refreshing change to pansies and primroses that will brighten up the garden in spring, just when it needs it most. This hardy perennial daisy bear tightly double, quilled blooms in pretty shades of pink and white. Bellis perennis 'Pomponette' is perfect for filling beds, edging borders, and adding a splash of colour to window boxes and patio containers. Height and spread: 20cm (8").

 

Culinary note: Bellis flowers are edible.

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

More info
    • 36 bellis plug plants

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

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

Primrose 'Romance'

Primula

Each ruffled bloom of Primrose ‘Romance’ is individually patterned and marbled for a unique appearance. This flamboyant little primrose will brighten even the dullest winter day with their exuberant frills and colours. Grow them in beds, borders and containers or cheer up a springtime windowbox. Once established these easy to grow perennials will virtually look after themselves. Height and spread: 20cm (8").

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

More info
    • 24 primrose plug plants

    • Despatch: By end of August 2015
    •  
    • £11.99
    • 48 primrose plug plants

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

Delosperma 'Hardy Mixed'

 Customer Rating
  • Vigorous ground cover, even in the driest of soils

Unique, versatile and vibrant! The fleshy, drought tolerant creeping stems of these hardy Ice Plants make ideal ground cover on sunny banks and poor stony soils. The showy daisy-like flowers of Delosperma 'Hardy Mixed' create a carpet of intense colour, in exclusive new shades that will stop you in your tracks. Fantastic for those hot, dry problem areas where many other plants would fail to establish. Height: 10cm (4"). Spread: 60cm (24").

More info
    • 5 delosperma jumbo plug plants

    • Despatch: By end of June 2015
    • SAVE £2  
    • £9.99 £7.99
    • 10 delosperma jumbo plug plants

    • Despatch: By end of June 2015
    • SAVE £3  
    • £14.99 £11.99
    • 20 delosperma jumbo plug plants

    • Despatch: By end of June 2015
    • SAVE £3  
    • £19.99 £16.99

Actaea simplex 'Black Negligee' (Atropurpurea Group)

Bugbane, Cimicifuga

Dramatic, finely cut, jet black foliage contrasts beautifully with the architectural plumes of fragrant, creamy white flowers. The bottlebrush blooms of Actaea simplex 'Black Negligee' are gently scented, appearing late in the season from September, just as other plants are fading. Bugbane is a particularly useful hardy perennial, adding stature and impact to damp, shady spots. Perfect for cottage garden borders and woodland planting schemes. Height: 120cm (47"). Width: 60cm (24").
More info
    • 1 jumbo plug plant

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 3 jumbo plug plants

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

Penstemon 'Dark Towers'

Dark bronze semi-evergreen foliage makes the perfect backdrop for the tubular, bright pink flowers of Penstemon ‘Dark Towers’. Blooming from midsummer until the first frosts, the long lasting flowers are irresistible to pollinating insects, adding colour to borders long after other summer flowering perennials have faded. This resilient, carefree hardy perennial is undemanding and easy to grow, tolerating almost any position in the garden, regardless of rain or drought, and even resisting slug damage! Height: 75cm (30"). Spread: 40cm (16"). More info
    • 3 jumbo plug plants

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

    • Despatch:
    • SAVE £8.99  
    • £25.98 £16.99
    • Out of stock