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 71 products.
 

Perennial 'Best Value' Collection

 Customer Rating

Fill your beds and borders with this bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").

  • Collection includes;

  • Lavender 'Hidcote' - This classic English lavender plant has an attractive grey-green fragrant foliage and will display stunning violet-blue compact spikes.
  • Digitalis 'Dalmation Mixed' - Well branched, compact, dwarf plants. Height: 50cm (20"). Spread: 40cm (16").
  • Erigeron 'Stallone' - This cheery clump forming perennial enjoys light sandy soils, making it ideal for coastal gardens.
  • Echinacea 'Pink Parasol' - Pink Parasol has stunning, large, deep purplish-pink blooms, with contrasting orange cones standing proudly above strong stems.
  • Verbena Bonariensis - Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. Height: 200cm (78"). Spread: 45cm (18").
  • Scabiosa 'Blue Jeans' - Blue pincushion flowers attract bees and butterflies throughout summer. Height and spread: 45cm (18").
  • Aquilegia 'Swan' Mixed - An abundance of large flowers on upright, multi-branched stems Height: 30cm (12"). Spread: 25cm (10").
  • Geum 'Blazing Sunset' - Fully double, large scarlet blooms are borne over a long period in summer. Height and spread: 60cm (24").
  • Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting. Height and spread: 30cm (12").
  • Armeria 'Mixed' - Long flowering plants with unusual ball shaped flower heads on thin wiry stems. Height: 50cm (20"). Spread: 30cm (12").
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Coreopsis 'Early Sunrise' - Golden yellow, semi double flowers that attract bees and butterflies. Height: 45cm.
More info
    • 72 perennial plug plants - 6 of each variety

    • Despatch: By end of April 2016
    • SAVE £51.89  
    • £71.88 £19.99

Foxglove 'Illumination Collection'

Digitalis

Parentage from the little-known Isoplexis (Canary Island Foxglove) gives these exciting new Digitalis their fabulous tropical colouring. Being completely sterile Foxglove 'Illumination Duo' won't set seed, making them incredibly long flowering. Unlike most foxgloves which are generally biennial, these hardy semi-evergreen varieties are true perennials so you can enjoy them year after year. The exotic looking blooms are densely packed on sturdy stems, with many side branches, making a striking addition to summer borders. Height: 90cm (36"). Spread: 45cm (18").

More info
    • 2 x 9cm potted foxglove plants - 1 of each colour

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

Rudbeckia 'All Sorts Mixed' (Garden Ready)

Coneflower, Black-eyed Susan

  • 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.

All your favourite rudbeckias in one spectacular mix, including the bestselling Rudbeckia 'Cherry Brandy', as well as many other doubles, singles, quilled types and more. These robust coneflowers have outstanding garden performance, and the long-lasting blooms make excellent cut flowers. A lovely addition to beds, borders and large patio containers. Height: 60cm (24"). Spread: 40cm (16").

 

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

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

Penstemon cobaea 'Wedding Bells' Mixed (Garden Ready)

  • 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.

Penstemon cobaea 'Wedding Bells' (also known as Orchestra Mixed) combines some of the best penstemons from T&M's own breeding programme. Satin, bell-shaped flowers in a variety of bright colours and patterns are carried over a particularly long flowering period, above glossy, semi-evergreen foliage. A fantastic alternative to Antirrhinums (snapdragons) in annual bedding schemes, these compact penstemon plants boast large flowers and superb weather resistance. Easy to maintain, these hardy perennials are also attractive to bees. Height: 50cm (18"). Spread: 45cm (18").

Useful links:

Gardening news: Move over marigolds... new bedding plants fly in the face of tradition

 

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

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

Phlox Collection (Creeping)

Phlox subulata, Moss Phlox

 Customer Rating
  • Fragrant ground cover
Delicate in appearance but tough in character, these spreading evergreen perennials soften the edges of paths and grow in dry rockeries or on sunny banks and slopes. Perfect for creating colourful, weed smothering, ground cover. Height: 15cm (6"). Spread: 50cm (20").
  • Collection comprises:
  • Phlox subulata 'Candy Stripes'
  • Phlox subulata 'Snowflake'
  • Phlox subulata 'Red Wings'
  • Phlox subulata 'Drummonds Pink'
  • Phlox subulata 'Emerald Cushion'
More info
    • 5 phlox Postiplug plants

    • Despatch: By end of April 2016
    •  
    • £13.99
    • 10 phlox Postiplug plants

    • Despatch: By end of April 2016
    • SAVE £7.99  
    • £27.98 £19.99
    • 20 phlox Postiplug plants

    • Despatch: By end of April 2016
    • SAVE £30.97  
    • £55.96 £24.99
    • 50 phlox Postiplug plants

    • Despatch: By end of April 2016
    • SAVE £99.91  
    • £139.90 £39.99

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 March 2016
    • + FREE £5 voucher  
    • £8.99
    • 5 heuchera Postiplug plants

    • Despatch: By end of March 2016
    •  
    • £14.99
    • 6 heuchera Postiplugs

    • Despatch: By end of May 2016
    • + FREE £5 voucher  
    • £12.99
    • 10 heuchera Postiplug plants

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

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: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 6 dianthus plug plants

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

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

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

Rudbeckia Collection (Garden Ready)

Coneflower, Black-eyed Susan

  • Enjoy the hot colours of rudbeckia, even when it's cool in your garden!
A Collection of the finest Rudbeckia plants around, we've put together our three best varieties in one collection, not only that, they are all in our Garden Ready range so we've done all the hard work for you! With 90 plants - 30 each of Rudbeckia 'Cherokee Sunset', 'Cherry Brandy' and 'Prarie Sun' - your garden will be awash with a spectacular display of coneflowers from midsummer through to late autumn. Ideal for bees and just as good cut and taken indoors, these fantastic plants are a surefire hit this year! Height: 90cm (37"). Spread: 45cm (18").
More info
    • 90 rudbeckia garden ready plants - 30 of each variety

    • Despatch: By end of May 2016
    • SAVE £4.98  
    • £44.97 £39.99

Scabious 'Butterfly Magnets Mixed'

Scabiosa atropurpurea, Pincushion Flower

Marvel at the whirling clouds of butterflies that are drawn to this lovely Scabious mix. Pincushion blooms in a super colour range are supported on tall wiry stems that make fabulous cut flowers. Scabious 'Butterfly Magnets Mixed' creates a wonderful billowing, airy feature for the back of cottage garden borders particularly when planted in large drifts. Height: 90cm (36"). Spread: 30cm (12").
More info
    • 3 scabious jumbo plug plants

    • Despatch: By end of April 2016
    •  
    • £11.99
    • 6 scabious jumbo plug plants

    • Despatch: By end of April 2016
    • SAVE £5.99  
    • £23.98 £17.99

Foxglove 'Dalmation Mixed'

Digitalis purpurea

Digitalis 'Dalmatian Mixed' looks magnificent in cottage gardens and woodland borders - but thanks to their uniform branching habit, these statuesque foxgloves make fabulous annual bedding too! These short lived perennials will happily seed about to create dramatic drifts and attract wildlife to their nectar rich flowers. Height: 50cm (20"). Spread: 40cm (16").

Useful links:

Gardening news: Move over marigolds... new bedding plants fly in the face of tradition

More info
    • 6 foxglove plug plants

    • Despatch: By end of April 2016
    •  
    • £5.99
    • 24 foxglove plug plants

    • Despatch: By end of April 2016
    •  
    • £13.99
    • 48 foxglove plug plants

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

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 April 2016
    •  
    • £5.99

Perennial Pack A 'T&M's Choice'

Fill your beds and borders with this bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").

  • Collection includes;

  • Aquilegia 'Swan' Mixed - An abundance of large flowers on upright, multi-branched stems Height: 30cm (12"). Spread: 25cm (10").
  • Geum 'Blazing Sunset' - Fully double, large scarlet blooms are borne over a long period in summer. Height and spread: 60cm (24").
  • Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting. Height and spread: 30cm (12").
  • Lavender 'Hidcote' - This classic English lavender plant has an attractive grey-green fragrant foliage and will display stunning violet-blue compact spikes.
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Erigeron 'Stallone'- This cheery clump forming perennial enjoys light sandy soils, making it ideal for coastal gardens.
More info
    • 36 perennial plug plants - 6 of each variety

    • Despatch: By end of April 2016
    • SAVE £20.95  
    • £35.94 £14.99