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 19 products.
 

Geranium 'Appleblossom Rosebud'

Pelargonium, Zonal Geranium, Zonal Pelargonium

  • 18 weeks of beautiful rosebud flowers
Captivating rosebud blooms open to reveal large, bicoloured clusters of fully double, pink and white flowers. This delightful zonal geranium has retained its popularity since the Victorian age and remains admired and sought after today. The long flowering period and drought tolerance of Geranium ‘Appleblossom’ make it ideal for creating an enchanting display in borders and patio containers that will last well into autumn. Height: 40cm (16"). Spread: 25cm (10").
More info
    • 1 x 10.5cm potted geranium plant

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

    • Despatch: By end of May 2016
    • SAVE £3  
    • £12.99 £9.99
    • 3 x 10.5cm potted geranium plants

    • Despatch: By end of May 2016
    •  
    • £19.99
    • 6 geranium jumbo plug plants

    • Despatch: By end of May 2016
    • SAVE £5  
    • £19.99 £14.99

Campanula 'Pink Octopus'

Bellflower

Japanese lantern buds swell out to burst forth as striking pink-tentacled flowers on this truly unusual variety. Campanula 'Pink Octopus' produces up to 50 of these amazing blooms on each upright branch, fluttering above strong, deeply cut foliage to give two months of summer colour. A unique and interesting low growing perennial for the front of a sunny border. Height: 45cm (18"). Spread: 25cm (10"). More info
    • 3 campanula jumbo plug plants

    • Despatch:
    • SAVE £9  
    • £13.99 £4.99
    • Out of stock
    • 6 campanula jumbo plug plants

    • Despatch:
    • SAVE £12  
    • £19.99 £7.99
    • Out of stock

Alstroemeria 'Inca Smile'

Peruvian Lily, Alstroemeria 'Koncasmile'

The exotic, orchid-like blooms of Alstroemeria 'Inca Smile' have a resilience and longevity that belies their delicate appearance. This stunning Peruvian Lily blooms for up to 5 months with the largest Alstroemeria flowers that we have ever seen - almost twice the size of other varieties. With a neat semi dwarf habit, 'Inca Smile' is perfectly proportioned for containers or borders, and makes a superb cut flower too. Height: 35cm (14"). Spread: 25cm (10").
More info
    • 1 x 7cm alstroemeria potted plant

    • Despatch: By end of May 2016
    •  
    • £14.99
    • 3 x 7cm alstroemeria potted plant

    • Despatch: By end of May 2016
    •  
    • £24.99

Phlox 'Pop Stars Mixed'

Annual Phlox

  • Masses of blooms, free flowering for up to 5 months
  • British bred to give the very best UK performance
  • Always look fresh and colourful - no need to deadhead!
  • Perfect gap filler
Despite their small stature, these star performers have been bred to take centre stage in the garden, bringing the X Factor to your summer borders. Phlox 'Popstars Mixed' is one of the most talked about plants in the growing industry, and is sure to be a talking point among home gardeners too! The blooms may be less than the size of a penny, but their serrated edging, star shape and marbled colouring make each one a mini work of art! Free-flowering in a wonderful array of colours, these easy to grow hardy annual plants are a must for borders and cottage gardens. Their small size and heavy blooming make them ideal for containers too, where you can really show off the vibrant colours and intriguing flower shapes. Weather tolerant, bushy and compact, Phlox ‘Popstars Mixed’ is self cleaning, requiring no deadheading - faded blooms are simply replaced by fresh new buds to bring up to five months of colour to the garden. Height and spread: 25cm (10").
More info
    • 24 phlox plug plants

    • Despatch: By end of May 2016
    •  
    • £8.99
    • 48 phlox plug plants

    • Despatch: By end of May 2016
    • SAVE £2.99  
    • £17.98 £14.99

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 May 2016
    •  
    • £5.99

Gentiana scabra 'Royal Stripes'

  • Unique striped blooms
You'll be familiar with blue flowering gentian plants and you've likely seen white flowered forms, but you'll be blown away by the blue and white striped flowers of Gentiana 'Royal Stripes'. This rare new variety really brings a wow factor to the genus. Look closer at the impressive blooms and you'll also see vibrant green freckling standing out on a white canvas. Whether you use these compact herbaceous perennial plants in patio pots, borders or rockery displays, the carpet of colour is sure to attract attention from friends and family as well as bees and other pollinators. In return of a little deadheading, flowers will just keep on coming from early June through to October. Ideal for dappled shade, try Gentiana ‘Royal Stripes’ under trees and shrubs for a vibrant lift to your beds and borders. Height and spread: 25cm (10")
More info
    • 1 x 10.5cm potted gentiana plant

    • Despatch: By end of May 2016
    •  
    • £14.99
    • 2 x 10.5cm potted gentiana plants

    • Despatch: By end of May 2016
    • SAVE £4.99  
    • £29.98 £24.99

Verbena 'Endurascape' Collection

Glandularia, Verbena patagonica

  • Annual verbena with a hardy habit!
  • Summer colour year after year
  • Four vibrant colours
  • Perfect for pots, baskets and borders

It's a sad day when your summer verbena succumb to the cold of autumn and end up on the compost heap, but that's a thing of the past with the Verbena 'Endurascape' Collection. These are the hardiest bedding verbenas we've ever seen, easily taking temperatures of -10C through winter to return to full health as things warm up in spring.

You can now make a summer favourite annual a perennial feature of your garden. Our hardy verbena plants can be planted out in spring or summer for years of seasonal colour in the garden. Simply cut the plants back in late winter before spring growth kicks in and your plants will reward you with masses of early summer colour. Four vibrant shades lend themselves to a wide range of container and bedding uses. We can’t pick a favourite between blue, red, lavender and purple, so we’re offering them to you in one amazing collection. Height and spread 25cm (10").

More info
    • 4 verbena Postiplug plants - 1 of each colour

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 8 verbena Postiplug plants - 2 of each colour

    • Despatch:
    • SAVE £4.99  
    • £19.98 £14.99
    • Out of stock

Phlox 'Pop Stars Mixed' (Garden Ready)

  • British bred for perfect UK performance
  • Self-cleaning - no need for deadheading
  • Small plants smothered in bloom
  • The fast-track to a hassle-free garden - just plant, water and enjoy!
  • Quality plants delivered to your door, hardened off and ready to plant out
  • Fully-grown, super-robust, healthy plants
Our garden ready plants are selected for garden performance, straight from the nursery. We send them to you 'green' ahead of flowering (but please note some varieties may show a few blooms), which means plants will establish quickly and all their energy goes into producing better roots, so they produce more flowers throughout the season.

Despite their small stature, these star performers have been bred to take centre stage in the garden, bringing the X Factor to your summer borders. Phlox 'Popstars Mixed' is one of the most talked about plants in the growing industry, and is sure to be a talking point among home gardeners too! The blooms may be less than the size of a penny, but their serrated edging, star shape and marbled colouring make each one a mini work of art! Free-flowering in a wonderful array of colours, these easy to grow hardy annual plants are a must for borders and cottage gardens. Their small size and heavy blooming make them ideal for containers too, where you can really show off the vibrant colours and intriguing flower shapes. Weather tolerant, bushy and compact, Phlox 'Popstars Mixed' is self cleaning, requiring no deadheading - faded blooms are simply replaced by fresh new buds to bring up to five months of colour to the garden. Height and spread: 25cm (10").

 

Garden ready special offer
More info
    • 30 phlox garden ready plants

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

Ptilotus 'Joey'

  • Major wow factor for minimum effort!
  • Exotic plumes on compact plants
  • Attractive bottlebrush flower spikes
Looking for a plant that will look after itself, and maybe even stand some neglect? Then 'Joey' is the plant for you! Originating from Australia, Ptilotus 'Joey' is perfect for those looking for exceptional heat and drought tolerance. The feathery blooms are produced in abundance and give off a neon pink glow, creating a definite talking point no matter where or how you plant them!
Excellent as a standalone container specimen or as an accent in mixed pots, Ptilotus 'Joey' also acts as the perfect compliment plant or block display in annual flower beds - 'Joey' is a natural in any sunny garden location. Pair 'Joey' with Eucalyptus gunnii, Salvia 'Amistad' or your favourite lavender for a show stopping combination. This sturdy annual will perform with some shade, but for the best display make sure to give this unusual flowering plant a prime position in the sunniest part of your garden. Height 40cm (16"). Spread 25cm (10").
More info
    • 1 x 7cm potted plant

    • Despatch: By end of June 2016
    •  
    • £11.99
    • 2 x 7cm potted plants

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

Stock 'Most Scented Mix' (Garden Ready)

Matthiola incana, Gillyflower

  • The fast-track to a hassle-free garden - just plant, water and enjoy!
  • Quality plants delivered to your door, hardened off and ready to plant out
  • Fully-grown, super-robust, healthy plants
Our garden ready plants are selected for garden performance, straight from the nursery. We send them to you 'green' ahead of flowering (but please note some varieties may show a few blooms), which means plants will establish quickly and all their energy goes into producing better roots, so they produce more flowers throughout the season.

Specially selected for their strong and spicy fragrance and fabulous colours! Start growing Stock 'Most Scented Mix' in autumn for spring borders that will look and smell incredible. These pretty Gillyflowers make superb bedding plants and don't forget to cut some for a vase indoors too. Height: 30cm (12"). Spread: 20cm (8").

 

More info
    • 30 stock garden ready plants

    • Despatch:
    • Buy 2 packs for just £25  
    • £6.99
    • Out of stock

Cyclamen 'Miracle Mixed'

Sowbread

We've selected the very best cyclamen to brighten your garden this autumn - so when the weather is cool, your planting scheme doesn't have to be! The vibrant pink, purple and rose shades of 'Miracle Mixed' will brighten the dullest autumn days.


This strong colour mix is ideal for border and container displays and is the perfect choice for lifting the shade under trees and shrubs - adding a natural winter woodland feel to the garden. The silver and green foliage adds extra interest. To really enjoy the display why not add Cyclamen 'Miracle Mixed' to window boxes or hanging baskets, where you'll also get to appreciate the subtle sweet scent of these mini cyclamen plants. Height: 20cm (8in). Spread: 20cm (8in).

More info
    • 3 x 9cm potted cyclamen plants

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 6 x 9cm potted cyclamen plants

    • Despatch:
    • SAVE £1.99  
    • £19.98 £17.99
    • Out of stock

Verbena 'Union Jack Mixed' (Garden Ready)

Join in the fun and help celebrate the Queen's Birthday with a spectacular display of trailing stems filled with red, white and blue flowers. The patriotic colours of Verbena 'Union Jack' mix are perfect for creating living party decorations this summer! Fill your hanging baskets and patio containers, or let them trail from a window box for a cascade of colour. Height and spread: 25cm (10"). More info
    • 30 verbena garden ready plants

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