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 62 products.
 

Heuchera 'Patchwork' Mix

Coral Flower, Coral Bells

 Customer Rating
Sprays of delicate, tiny flowers float on wiry stems above neat mounds of vibrant foliage. Prized for their colourful leaves, these versatile semi-evergreen perennials make excellent drifts of ground cover, adding a distinctive splash of colour to the front of borders, or even brightening winter containers. Their airy blooms attract bees and are also useful as cut flowers. Height and spread: 40cm (16").
More info
    • 3 heuchera Postiplugs

    • Despatch: By end of August 2015
    • + FREE £5 voucher  
    • £8.99
    • 6 heuchera Postiplugs

    • Despatch: By end of August 2015
    • + FREE £5 voucher  
    • £12.99

Delphinium 'Pacific Giants'

 Customer Rating
A distinguished delphinium producing strong spikes of semi-double blooms in a dreamy blend of pink, lilac, purple, violet-blue, sky-blue and white. Delphinium 'Pacific Giants' are excellent for cutting and add structure and presence to the back of cottage garden perennial borders. Height: 150cm (60"). Spread: 75cm (30").
More info
    • 6 delphinium plug plants

    • Despatch: By end of August 2015
    •  
    • £5.99

Heteropappus meyendorfii

Blue Chrysanthemum

  • Hundreds of electric blue blooms
Like a little blue Chrysanthemum, this fabulous plant produces an abundance of blooms from late summer, and continues throughout autumn. Heteropappus meyendorfii is a colourful, late flowering half hardy perennial with a lovely spreading habit. This pretty little daisy is perfect for filling gaps in containers and late summer borders when other plants are beginning to fade. Height: 30cm (12"). Spread: 45cm (18").
More info
    • 5 heteropappus Postiplug plants

    • Despatch: By end of September 2015
    •  
    • £8.99
    • 10 heteropappus Postiplug plants

    • Despatch: By end of September 2015
    • SAVE £4.99  
    • £17.98 £12.99

Jasminum beesianum

Jasmine

Delicate pink trumpets with a heavenly scent erupt into bloom from midsummer. The twining stems are clothed in glossy, semi evergreen foliage that makes the perfect backdrop for its shiny, black winter berries. Jasmine beesianum flowers have a lighter, more delicate perfume than common Jasmine making it perfect for growing over a doorway or seating area where it can be fully appreciated. A quick growing climber for a long season of interest! Height and spread: 200cm (79"). More info
    • 1 x 7cm potted Jasminum plant

    • Despatch: By end of October 2015
    •  
    • £11.99
    • 3 x 7cm potted Jasminum plants

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

Rudbeckia 'Summerina Collection'

Coneflower, Black-eyed Susan

  • New in 2015
  • T&M Exclusive
  • New perennial rudbeckia for borders

Rudbeckia 'Summerina' Collection is exclusive to Thompson & Morgan, a near impossible breeding breakthrough - the crossing of an annual rudbeckia and a perennial echinacea! The result: tough, hardy perennial rudbeckias that return year on year to offer the stronger and longer flowering habit of annual varieties. This three colour mix is ideal for extending the life of your summer border - the plants go on to provide much needed autumn colour right up to the first hard frosts. Height and spread: 60cm (24").

More info
    • 3 rudbeckia jumbo plug plants

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

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

Actaea cordifolia (Large Plant)

Cimicifuga racemosa var. cordifolia, Bugbane, Cohosh

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").

More info
    • 1 x 1 litre potted actaea plant

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

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

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 August 2015
    •  
    • £9.99
    • 2 x 1 litre potted anemone plants

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

Delphinium 'Rising Stars Mixed'

  • Best in class for delphiniums
We've given our customers the chance to get their hands on some very new, very different delphiniums from the world-famous 'New Zealand Hybrids' programme. There are far too many hybrids produced for our supplier to sell, so we've grouped our favourites into an exclusive 'Breeders Mixture', aptly named 'Rising Stars'! This exciting mix of delphinium flowers blends picotees, pastels, singles, doubles and frosted hybrids for a spectacular, towering display. You can even cut some blooms for a striking flower arrangement indoors. Height: 120cm (47"). Spread: 75cm (30").
More info
    • 4 delphinium Postiplug plants

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 8 delphinium Postiplug plants

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

Salvia nemorosa 'Marcus' (Large Plant)

Salvia are effortless, hardy plants for mixed borders. Salvia nemorosa 'Marcus' is a particularly special selection, with deep indigo flower spikes above clumps of aromatic foliage, the blooms coming in such density that they create a solid block of colour.

Salvia plants are deer resistant, rabbit resistant, and will attract bees and butterflies to your garden. Salvia 'Marcus' is short, neat and will make a strong feature towards the front of cottage garden borders and wildlife gardens. Trimming the plants in midsummer will encourage even more flowers! Height: 45cm (18"). Spread: 45cm (18").

More info
    • 1 x 1 litre potted salvia plant

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

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

Hosta 'Fire and Ice' (Large Plant)

Plantain Lily

A spectacular Hosta with superb reverse variegation. Each leaf of Hosta 'Fire and Ice' has a pristine white centre with a deep green, wavy margin that creates a fabulous colour contrast. Lilac coloured blooms enhance the display throughout July. This striking variety holds an RHS AGM for its garden performance, and is particularly effective at brightening shaded borders. Height: 55cm (22"). Spread: 100cm (39"). More info
    • 1 x 2 litre potted hosta plant

    • Despatch: By end of May 2016
    •  
    • £13.99
    • 2 x 2 litre potted hosta plants

    • Despatch: By end of May 2016
    •  
    • £21.99

Salvia 'Amistad' (Large Plant)

Sage

Salvia 'Amistad' is an exceptionally beautiful new variety. Exquisite rich purple flowers are carried on tall, near-black stems above a mound of lush green foliage. With regular deadheading, this magnificent hardy perennial can bloom almost continuously from May right through to October, attracting a host of bees and butterflies throughout the season. Ornamental Sage has long been a stalwart of cottage garden borders, and this one is no exception. Perfect for exotic planting schemes and wildlife gardens too. Height: 120cm (48"). Spread: 50cm (20"). More info
    • 1 x 1 litre potted salvia plant

    • Despatch: By end of August 2015
    •  
    • £7.99
    • 1 x 2 litre potted salvia plant

    • Despatch: By end of August 2015
    •  
    • £11.99
    • 2 x 1 litre potted salvia plants

    • Despatch: By end of August 2015
    •  
    • £12.99
    • 2 x 2 litre potted salvia plants

    • Despatch: By end of August 2015
    •  
    • £18.99

Shasta Daisy 'Fair Lady' (Large Plant)

Leucanthemum x superbum, Chrysanthemum maximum

Shasta Daisy 'Fair Lady' bears wonderfully large, white, daisy-like blooms with soft buttery yellow centres that perch on upright stems. This eyecatching Leucanthemum is a magnet for bees, butterflies and other pollinating insects, and makes a useful cut flower too.

If you're new to gardening and buying plants, then the Shasta Daisy is a perfect place to start. Used in mixed borders and cottage garden displays, these hardy perennials are tough, and require little maintenance. They'll even reward you with a particularly long flowering period! Height: 60cm (24"). Spread: 45cm (18").

More info
    • 1 x 1 litre potted Shasta Daisy plant

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

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