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 50 products.
 

Geranium 'Rozanne'

Geranium 'Gerwat', Hardy Geranium, Cranesbill

  • Winner of The RHS Chelsea Flower Show 'Plant of the Centenary'
  • Unique long-flowering period for a Hardy Geranium

A celebrated Cranesbill producing masses of saucer shaped, violet-blue blooms with dainty white centres. Being a sterile hybrid, Geranium 'Rozanne' flowers repeatedly throughout the summer and won’t self-seed like other Geraniums. This hardy perennial makes excellent ground cover through the front of informal borders or spilling from containers. As summer ends the loose mounds of foliage colour to reddish brown and fiery orange for an extended display into autumn. Height: 30cm (12"). Spread: 60cm (24").


Useful links:

Geranium 'Rozanne gets our vote for RHS 'Plant of the Centenary'

 

More info
    • 1 geranium jumbo plug plant

    • Despatch: By end of October 2016
    •  
    • £9.99
    • 3 geranium jumbo plug plants

    • Despatch: By end of October 2016
    • SAVE *£9.98  
    • £29.97 £19.99

Aquilegia 'Swan Mixed'

Columbine, Granny's Bonnet

A lovely mix of colourful columbines, producing an abundance of large flowers on upright, multi-branched stems. Aquilegia 'Swan Mixed' are longer flowering than many aquilegias, and left to naturalise, they will quickly fill your garden with drifts of spring colour. Perfect for cottage gardens, perennial borders and woodland gardens. Height: 30cm (12"). Spread: 25cm (10"). More info
    • 6 aquilegia plug plants

    • Despatch: By end of October 2016
    •  
    • £5.99

Wallflower 'Sugar Rush'

Erysimum

 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").

 

Buy this variety in a larger plant size
More info
    • 36 wallflower plug plants

    • Despatch: By end of October 2016
    •  
    • £12.99
    • 72 wallflower plug plants

    • Despatch: By end of October 2016
    • SAVE £7.99  
    • £25.98 £17.99

Most Scented Bumper Pack

 Customer Rating

Treat yourself to this fantastic bumper pack of the most scented bedding and border plants, and save yourself £££s! These great value perennials will fill your garden with fragrance and colour in a fabulous springtime display. You'll receive 12 plug plants of each of the following varieties - that's 72 plug plants in total! Height and spread: Up to 30cm (12").

  • Most Scented Bumper Pack comprises 12 plug plants each of:
  • Primrose 'World's Most Scented Mix' - Let the sweet citrus scent and the fresh colour mix of these reliable perennials transport you into spring.
  • Viola 'Most Scented' Mix - This exclusive blend exudes a spring-like perfume even on the coolest of winter days.
  • Stock 'Most Scented' Mix - Specially selected for their strong and spicy fragrance and fabulous colours!
  • Pansy 'Most Scented' Mix - Larger than violas, with a cheery bright colour mix that will continue well into late spring.
  • Polyanthus 'Most Scented' Mix - Plenty of scented flowers on short, stocky stems, above neat rosettes of lush foliage.
  • Wallflower 'Most Scented' Mix - Versatile and undemanding, this tough perennial can cope in even the poorest of soils.
More info
    • 72 plug plants - 12 of each variety

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

Viola 'Teardrops' (Pre-Planted Basket)

viola

For hassle-free gardening, look no further than our pre-planted baskets for easy seasonal colour. We're always on the look out for ways to make life simpler for our gardening customers. So what could be easier hanging baskets which are already planted up? We've taken the hard work out of creating wonderfully colourful displays - just order our pre-planted baskets of your favourite varieties and position them where you'll most enjoy their colour. Then all you need to do is water them and wait!

Viola 'Teardrops' is one of our top performing hanging basket varieties, producing cascading trails of colourful blooms to brighten up the winter garden. Flowers just keep on coming and will continue to perform well into May – Four months of colour and all you need to do is hang the baskets in place and keep them watered. Height 15cm (6"). Spread: 20cm (8").,

Culinary note: Some parts of these flowers are edible. The crystallised petals are great decorations for cakes and cookies, or they can be added straight to green salads for an injection of colour. For more details about edible flowers click here.

 

Garden ready pre-planted baskets
More info
    • 1 viola pre-planted basket with 6 plants

    • Despatch:
    •  
    • £14.99
    • Out of stock

Pansy 'Waterfall Mix'

Viola x wittrockiana

Large, scented flowers on compact, trailing plants. This is our best hanging basket pansy yet! We challenged our breeding team to develop a pansy colour collection with a vigorous, cascading habit, offering large and showy, long-lasting flowers. Not only have they hit the spot with Pansy 'Waterfall Mixed', they have also packed an amazing soft sugary scent into this top-performing variety. This tough garden performer stands up to winter rain and bad weather, bursting into colour in February for over 3 months of colour and scent, just when we need it most! Height and spread: 30cm (12").,

Culinary note: Some parts of these flowers are edible. The crystallised petals are great decorations for cakes and cookies, or they can be added straight to green salads for an injection of colour. For more details about edible flowers click here.

More info
    • 36 pansy plug plants

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

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

Wallflower 'Sunset Orange'

Erysimum, Cheiranthus

We've hand-picked this special orange wallflower for its quick flowering to offer you fragrance and colour in autumn as well as spring. This tough performer establishes quickly after planting in autumn to offer a strong flush of fragrant flowers before winter. Wallflower 'Sunset Orange' loves the cooler weather, and is the perfect winter border filler As spring warms up the plants burst back into colour for a second show. Leave in place for a third hit of autumn flowers. Height and spread: 30cm (12").
More info
    • 36 wallflower plug plants

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

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

Lucky Dip Winter Bedding Mix

If our selection of winter bedding planting options leaves you spoilt for choice, let us do the design work for you! Quickly pick our Lucky Dip Mix instead of agonising over all the individual options and we guarantee to send you a winning selection of winter performers for a wide range of uses. Set the mix in containers and baskets or beds and borders and you can be sure of a bright and cheery display to warm up the garden this winter and spring. Height and spread varies. More info
    • 24 lucky dip plug plants

    • Despatch: By end of October 2016
    •  
    • £5.99
    • 30 lucky dip garden ready plants

    • Despatch: By end of October 2016
    •  
    • £11.99
    • 48 lucky dip plug plants

    • Despatch: By end of October 2016
    •  
    • £7.99
    • 60 lucky dip garden ready plants

    • Despatch: By end of October 2016
    •  
    • £17.99
    • 72 lucky dip plug plants

    • Despatch: By end of October 2016
    •  
    • £9.99

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 April 2017
    •  
    • £8.99
    • 10 heteropappus Postiplug plants

    • Despatch: By end of April 2017
    • SAVE *£4.99  
    • £17.98 £12.99

Hardy Geranium 'Foundlings Friend'

Hardy Geranium, Cranesbill

  • Unique flower patterning
  • Easy to grow
  • Performs no matter the weather

Tough as old boots, hardy Geraniums should be high on everyone's planting list. Discovered as a chance seedling, Geranium 'Foundling's Friend' is a stand out variety, offering the most unusual flowers among the species. Violet-blue petals are delicately patterned with deep-purple veining. This compact form will thrive in sunny borders, coping with periods of drought once established. Height and spread: 30cm (12").
More info
    • 1 geranium jumbo plug plant

    • Despatch: By end of October 2016
    •  
    • £9.99
    • 3 geranium jumbo plug plants

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

Wallflower 'Citrona Mixed'

Erysimum, Cheiranthus

Searching for something different to grow with your spring bedding plants this winter? Look no further than Wallflower 'Citrona Mixed'. This unique Erysium requires no cold period to encourage blooming, so you'll get a flush of fragrant blooms this autumn and again in spring. The vibrant citrus shades of yellow and orange will brighten the gloomiest of cold days, offering a fragrance so sweet you'll wish you could bottle it! A strong branching habit leads to multiple upright flower stalks right through spring, adding contrast and interest to pansy, primrose and spring flowering bulbs schemes. Height and spread: 30cm (12"). More info
    • 24 wallflower plug plants

    • Despatch: By end of October 2016
    •  
    • £9.99
    • 48 wallflower plug plants

    • Despatch: By end of October 2016
    • SAVE* £4.99  
    • £19.98 £14.99

Veronica spicata 'Royal Candles' (Large Plant)

Speedwell

Veronica 'Royal Candles' produces an endless supply of upright flower spikes in a deep shade of indigo blue. With a spreading habit it will quickly form a dense mat of toothed, mid green foliage that makes superb groundcover. This low growing perennial makes a lovely feature at the front of a well drained border, where it will spill over to soften edges and add a splash of summer colour. Height and spread: 30cm (12").

 

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

    • Despatch: Within 28 days
    •  
    • £7.99
    • 2 x 1 litre potted veronica plants

    • Despatch: Within 28 days
    •  
    • £12.99