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 661 products.
 

Polyanthus 'Stella' (Pre-Planted Pot)

Primula

For hassle-free gardening, look no further than our pre-planted pots for easy seasonal colour. We're always on the lookout for ways to make life simpler for our gardening customers. So what could be easier than pots which are already planted up? We've taken the hard work out of creating wonderfully colourful displays - just order our pre-planted pots 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! Our pre-planted Primula 'Stella' pot brings an easy option for spring colour on the patio this season. The six plants in each pot, produce multiple flowers spikes, setting their colour well above the foliage. Flowering over an exceptionally long period from January to May, the showy flower stems may reach up to 30cm (12") for a truly spectacular winter and spring display. The perfect pick-me-up on a bleak winter day. ,

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

 

Garden ready pre-planted pots
More info
    • 1 x polyanthus pre-planted pot with 6 plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Pansy 'Matrix™ Mixed' (Pre-Planted Pot)

Viola x wittrockiana

For hassle-free gardening, look no further than our pre-planted pots for easy seasonal colour. We're always on the lookout for ways to make life simpler for our gardening customers. So what could be easier than pots which are already planted up? We've taken the hard work out of creating wonderfully colourful displays - just order our pre-planted pots 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!

This vibrant blend has been specially bred for their excellent branching habit and super size flowers; and the results speak for themselves! The compact sturdy stems hold their vibrant flower heads high, whatever the weather brings to ensure your garden is filled with colour. Easy to grow, Pansy 'Matrix Mixed' is the perfect plant for all your containers and bedding displays. Height and spread: 23cm (9").

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 pots
More info
    • 1 x pansy pre-planted pot with 6 plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Penstemon 'Kilimanjaro' (Large Plant)

Part of the volcano series, Penstemon' Kilimanjaro' bears its pink blooms continuously from June right through to October. This semi-evergreen perennial has a neat upright habit making it a well behaved specimen for perennial borders. Try it in wildlife areas too - pollinating insects love its nectar rich blooms. Height: 75cm (30"). Spread: 45cm (18").

 

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

    • Despatch: By end of September 2016
    •  
    • £9.99
    • 2 x 1 litre potted penstemon plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Rudbeckia fulgida var sullivantii 'Goldsturm' (Large Plant)

Coneflower

An RHS AGM winning Black Eyed Susan bearing bright, golden-yellow, daisy-like flowers with dark button eyes that make excellent cut flowers. The radiant, coneflowers of Rudbeckia fulgida 'Goldsturm' are produced over a long period, attracting bees and butterflies to their long lasting blooms. These compact perennials are easy to grow, reliably filling gaps in borders, and returning year after year. Height: 60cm (24"). Spread: 60cm (24").

 

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

    • Despatch: By end of September 2016
    •  
    • £9.99
    • 1 x 3 litre potted rudbeckia plant

    • Despatch: By end of September 2016
    •  
    • £12.99
    • 2 x 1 litre potted rudbeckia plants

    • Despatch: By end of September 2016
    •  
    • £14.99
    • 2 x 3 litre potted rudbeckia plants

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

Pansy 'Mystique Blue Halo'

Viola x wittrockiana

This lovely variety sports extra-large, lavender blue flowers, each with a dazzling white 'face' and contrasting violet whiskers. This attractive little pansy is the perfect colour for creating a cool blue display that will keep blooming right through to late spring. Pansy 'Mystique Blue Halo' is easy to grow, making this the perfect choice for filling beds, borders, window boxes and patio containers with long lasting winter colour. Height: 15cm (6"). Spread: 23cm (9").

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: By end of September 2016
    •  
    • £12.99
    • 72 pansy plug plants

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

Wallflower 'Winter Party'

Erysimum, Cheiranthus

The richly fragrant blooms of Wallflower 'Winter Party' create a tapestry of colour in shades of burnt orange and mauve. This evergreen erysimum hybrid has a neat, compact habit making it perfect for beds, borders and containers. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height and spread: 30cm (12").
More info
    • 6 wallflower jumbo plug plants

    • Despatch: By end of September 2016
    •  
    • £14.99
    • 12 wallflower jumbo plug plants

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

Viola 'Sorbet Orange Jump Up'

Pansy

A vivacious colour scheme of orange and deep purple flowers with charming whiskered faces. Viola 'Sorbet Orange Jump Up' makes a vibrant addition to autumn and spring displays. This charming Viola flowers enthusiastically over a long period, while still retaining its uniformity and neat compact habit. Height: 20cm (8"). Spread: 23cm (9").

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 Viola plug plants

    • Despatch: By end of September 2016
    •  
    • £13.99
    • 72 Viola plug plants

    • Despatch: By end of September 2016
    • SAVE* £8.99  
    • £27.98 £18.99

Shasta Daisy 'Real Dream' (Large Plant)

Leucanthemum × superbum, Chrysanthemum maximum, Shasta Daisy

A lovely dwarf cultivar, Shasta Daisy 'Real Dream' is delightfully compact. This well branched Leucanthemum produces pale yellow blooms from July to August that slowly fade to white as they age. Like all Shasta daisies, this variety is a magnet for pollinating insects and makes a valuable addition to wildlife gardens. This hardy perennial is ideal for growing in low drifts through the front of borders where its cheery blooms will always raise a smile. Height: 40cm (16"). Spread: 35cm (14").

 

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

    • Despatch: By end of September 2016
    •  
    • £7.99
    • 2 x 1 litre potted leucanthemum plants

    • Despatch: By end of September 2016
    •  
    • £12.99

Foxglove 'Alba' (Large Plant)

Digitalis purpurea, Digitalis purpurea 'Alba'

In daylight, Foxglove purpurea 'Alba' is understated, leaving centre stage to showier perennials - but as dusk descends the pristine flower spikes catch and reflect the light, seemingly glowing from borders. This upright beauty is a magnet for bees and other pollinators. The elegant blooms also make charming cut flowers adding a vertical accent to summer bouquets. This pure white Digitalis is ideal for adding refined stature to shaded borders and woodland areas. Height: 120cm (48"). Spread: 60cm (24").

 

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

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

Echinops ritro (Large Plant)

Globe Thistle

Echinops ritro is a well loved perennial with a strong architectural impact. Spiky globes of electric blue flowers perch upon silvery green stems, which make superb cut flowers, whether fresh or dried. The late summer blooms rise above clumps of spiny, deeply cut foliage which forms an attractive contrast with other perennials. Awarded and RHS AGM for its garden performance, this Globe Thistle works well in sunny cottage garden borders and hot gravel gardens. Pollinating insects love it too, so plant a few in your wildlife areas for the local bees. Height: 60cm (24"). Spread: 45cm (18").

 

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

    • Despatch: By end of September 2016
    •  
    • £9.99
    • 2 x 1 litre potted echinops plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Geranium oxonianum 'Wargrave Pink' (Large Plant)

Hardy Geranium, Cranesbill

Throughout summer and well into autumn, bright salmon pink flowers appear above the attractive lobed foliage of Geranium oxonianum 'Wargrave Pink'. This vigorous hardy Geranium is quick growing with a spreading habit that makes excellent groundcover. Given plenty of space it will quickly fill gaps around the garden and seed about to produce new plants. Cranesbills are an essential addition to cottage garden borders, and this one is loved by pollinating insects so it's perfect for wildlife areas too. Height: 60cm (24"). Spread: 90cm (36").

 

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

    • Despatch: By end of September 2016
    •  
    • £9.99
    • 2 x 1 litre potted geranium plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Echinacea purpurea 'Primadonna'

Coneflower

An improved strain of this popular American wildflower! These superb coneflowers form low growing clumps of leaves from which the sturdy flower stems launch upwards with their large, rose-pink daisies. Unlike many varieties, the petals of Echinacea purpurea 'Primadonna' radiate outwards instead of downwards from a deep orange-brown central cone. With a compact, branching habit, this fabulous variety makes a lovely addition to borders and wildlife gardens where it will attract butterflies and other pollinating insects. Height: 85cm (33"). Spread: 45cm (18"). More info
    • 6 echinacea plug plants

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