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 25 products.
 

Gaillardia 'Snappy'

Blanket Flower

  • Finally, a gaillardia that lasts for years in the garden
Finally, a long-lasting gaillardia for years of pleasure in the garden. Blanket Flowers have a reputation for being unreliably perennial but new Gaillardia 'Snappy' makes that a thing of the past. We can now offer you unrivalled flower power alongside true perennial reliability for years of vibrant border and container colour. This world-class introduction offers non-stop flowering on sturdy, compact, upright plants from mid-summer through to late autumn. The red and yellow blooms also take on a purple sheen in the summer sunshine and will be much loved by bees, butterflies and other pollinators. Height and spread: 30cm (12").
More info
    • 5 gaillardia Postiplug plants

    • Despatch: By end of May 2016
    • SAVE £2  
    • £8.99 £6.99
    • 10 gaillardia Postiplug plants

    • Despatch: By end of May 2016
    • SAVE £10  
    • £19.99 £9.99

Dianthus 'Scents of Summer Pink Peony'

Pink, Carnation

  • T&M Exclusive
  • We've put the scent back into garden carnations!

Part of the 'Scents of Summer' series, Dianthus 'Pink Peony' is the pick of the bunch. The crested magenta blooms have a deep, rich fragrance, just like the old fashioned varieties, but with modern vigour and strong garden performance which continues throughout the season. Look forward to an abundance of strong stemmed blooms from this hardy garden pink, which make superb cut flowers. Perfect for edging pathways and borders or brightening up patio containers with long lasting colour. Height and spread: 30cm (12").


Culinary note: Use the clove like tasting petals for adding to cakes, either for flavour or decorating, suitable for soups, salads and sauces too. For more details about edible flowers click here.

More info
    • 5 dianthus Postiplug plants

    • Despatch: By end of May 2016
    •  
    • £12.99
    • 10 dianthus Postiplug plants

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

Fuchsia 'Pink Elephant'

  • T&M Exclusive
The double flowers of Fuchsia 'Pink Elephant' unfurl from long, rose-like buds to reveal layer upon layer of sumptuous pale pink ruffles. With a gentle cascading habit, this lovely half-hardy fuchsia makes a spectacular summer display in hanging baskets, flower pouches® and containers. Height: 25cm (10"). Spread: 30cm (12").

Useful links:

How to grow fuchsias


Culinary note: Add the beautiful coloured flowers to salads, crystallise them for a sweet garnish or add them to jellies for an extra splash of colour. For more details about edible flowers click here.

More info
    • 5 fuchsia Postiplug plants

    • Despatch: By end of May 2016
    •  
    • £9.99
    • 10 fuchsia Postiplug plants

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

Dianthus 'Crimson Rim'

Carnation

  • At last - a new carnation with a traditional fragrance

This stunning hardy Carnation bucks the modern trend for flashy flower colours at the expense of their fragrance. Dianthus 'Crimson Rim' combines elegant pristine white blooms with a stylish raspberry edge and a wonderful rich clove fragrance. This clump forming perennial is undemanding and well behaved making it perfect for the front of borders. And with a such a free flowering habit you'll have plenty of stems to spare for a vase indoors. Height: 40cm (16"). Spread: 30cm (12").


Culinary note: Use the clove like tasting petals for adding to cakes, either for flavour or decorating, suitable for soups, salads and sauces too. For more details about edible flowers click here.

 

More info
    • 5 dianthus jumbo plug plants

    • Despatch: By end of June 2016
    • save £4  
    • £11.99 £7.99
    • 10 dianthus jumbo plug plants

    • Despatch: By end of June 2016
    • save £5  
    • £17.99 £12.99
    • 20 dianthus jumbo plug plants

    • Despatch: By end of June 2016
    • SAVE £5  
    • £24.99 £19.99

Dianthus barbatus 'Sweet'

Sweet William

  • Summer-flowering Sweet Williams!

Enjoy these delightfully fragrant Sweet Williams all summer long! Clusters of sweetly scented flowers in shades of red, white and purple are borne atop stiff upright stems from June through to September. Superb for cutting for a vase indoors, the vibrant flowers of Dianthus barbatus 'Sweet' are also attractive to bees. Often grown as a biennial, this short lived perennial is ideal for cottage garden beds and borders. Height: 45cm (18"). Spread: 30cm (12").


Culinary note: Use the clove like tasting petals for adding to cakes, either for flavour or decorating, suitable for soups, salads and sauces too. For more details about edible flowers click here.

More info
    • 6 dianthus plug plants

    • Despatch: By end of June 2016
    •  
    • £5.99
    • 24 dianthus plug plants

    • Despatch: By end of June 2016
    •  
    • £14.99
    • 48 dianthus plug plants

    • Despatch: By end of June 2016
    • SAVE £9.99  
    • £29.98 £19.99

Pansy 'Ballerina'

Viola x wittrockiana

Unusual frilly tutu-like flowers of Pansy 'Ballerina' create a bright carnival of colour throughout the summer. The delicately ruffled petals make a stunning display in containers, beds and borders. Perfect for planting in window boxes where you can enjoy their pretty blooms close up. Height and spread: 23cm (9").

 

Culinary note: Pansy flowers are edible.

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 June 2016
    •  
    • £9.99
    • 72 pansy plug plants

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

Geranium 'Black Velvet Mix' F1 (Pre-Planted Pot)

Pelargonium, Zonal Geranium, Zonal Pelargonium

  • Rarely available
For hassle-free gardening, look no further than our pre-planted pots for easy summer-long colour. We’re always on the look out 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 and baskets of your favourite varieties and position them where you’ll most enjoy their summer colour. Then all you need to do is water them and wait!

Dark, enigmatic foliage makes a startling foil for the beguiling bright blooms of Geranium 'Black Velvet Mix' in four striking colours. The unique black leaves, produced on upright bushy plants, are edged with just a hint of green. This boldly coloured zonal geranium makes a striking addition to pots, beds and borders for long lasting summer colour. Height: 40cm (14"). Spread: 30cm (12").
Patio pot diameter: 33cm (13in). 12.7 litres.
Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.

 

Garden ready pre-planted pots
More info
    • 1 x geranium pre-planted pot

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

Fuchsia 'Marble Orange King'

Marvel at the extraordinary-coloured, 10cm (4") wide flowers of trailing Fuchsia 'Orange King'. Layer upon layer of lavish double orange-pink ruffles form these giant, sculpted flowers. With a vigorous and free flowering habit, Fuchsia 'Orange King' will create a cascade of colour in your baskets, window boxes, Flower Pouches™ and containers. Height and spread: 30cm (12").

Useful links:

How to grow fuchsias


Culinary note: Add the beautiful coloured flowers to salads, crystallise them for a sweet garnish or add them to jellies for an extra splash of colour. For more details about edible flowers click here.

More info
    • 5 fuchsia Postiplug plants

    • Despatch: By end of May 2016
    •  
    • £9.99
    • 10 fuchsia Postiplug plants

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

Pansy 'Tea Party'

Viola x wittrockiana

These cheery little pansies will certainly brighten up the garden. Pansy 'Tea Party' Mixed is a vibrant blend of solid colours and bicolours with plenty of personality. Low maintenance and easy to grow, this free-flowering mix is ideal for filling beds, borders and containers with fabulous summer colour. Height: 23cm (9"). 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: By end of May 2016
    •  
    • £12.99
    • 72 pansy plug plants

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

Geranium 'Blue Sybil'

Pelargonium, Rosebud Geranium

The full, rounded buds of Rosebud Geranium 'Blue Sybil' resemble dainty roses when they first break open, then cluster together to form a pretty posy. This vigorous, trailing variety has the exceptional garden performance of other ivy-leaf geraniums, but their unique flower form truly sets them apart. With regular deadheading, they will spill from windowboxes, containers, and hanging baskets, blooming profusely throughout the summer. Trails to: 45cm (18").
Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.
More info
    • 5 geranium jumbo plug plants

    • Despatch: By end of May 2016
    •  
    • £9.99
    • 10 geranium jumbo plug plants

    • Despatch: By end of May 2016
    • SAVE £2.99  
    • £19.98 £16.99

Viola 'Teardrops' (Pre-Planted Basket)

viola

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! 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.

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

    • Despatch:
    • SAVE £11  
    • £17.99 £6.99
    • Out of stock

Dianthus 'Scents of Summer Collection'

Pink, Carnation

  • T&M Exclusive

Immerse your senses in Dianthus 'Scents of Summer Mixed'! We've hand selected a range of modern dianthus plants to offer bright colours, strong garden performance and multi-flowering stems, while retaining the vintage spicy fragrance of garden pinks. The extreme flower power of these hardy perennials means you'll enjoy 100s of cut flower blooms through the summer, every year, with plenty left on the plants to keep them looking good in the garden. Height and spread: 30cm (12").


Culinary note: Use the clove like tasting petals for adding to cakes, either for flavour or decorating, suitable for soups, salads and sauces too. For more details about edible flowers click here.

More info
    • 5 dianthus Postiplug plants

    • Despatch: By end of May 2016
    • SAVE £2  
    • £9.99 £7.99
    • 10 dianthus Postiplug plants

    • Despatch: By end of May 2016
    • save £2  
    • £14.99 £12.99
    • 20 dianthus Postiplug plants

    • Despatch: By end of May 2016
    • SAVE £5  
    • £24.99 £19.99