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 147 products.
 

Osteospermum Collection (Hardy)

African Daisy, Cape Daisy

 Customer Rating
  • An abundance of flowers from mid summer to mid autumn
  • Plant 'en-masse' for a stunning border feature
  • Spreading habit will help suppress weeds

Versatile and resilient, hardy Osteospermums will thrive in hot, dry, neglected conditions, yet remain some of longest-flowering plants in the garden! Expect vibrant summer colour and weed suppressing ground cover from these easy to grow, sun loving Cape Daisies. Height: 15cm (6"). Spread: 90cm (36").

  • Collection comprises:
  • Osteospermum 'Snow Pixie' - A perfect contrast to its purple-pink coloured cousins, sporting clean, white petals with a golden yellow eye.
  • Osteospermum 'Tresco Purple' - Bold pink daisy flowers open every morning to greet the sun.
  • Osteospermum jucundum var. compactum - Irrepressibly cheerful, bright pink daisy flowers smother carpets of low growing foliage.
More info
    • 9 osteospermum jumbo plug plants - 3 of each variety

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

Echinacea 'Papallo Collection'

Instantly recognisable, Echinacea’s have always been a firm favourite for summertime perennial borders. The bright and cheerful colours of coneflowers not only look spectacular in drifts, they are also a great attraction for bees and butterflies, making them perfect for a wildlife garden too! Height 50cm (20").

Your Echinacea 'Papallo Collection' will be made of several varieties from those listed below and can be planted out or potted up immediately on delivery for strong establishment in the garden ahead of winter.

  • Echinacea purpurea ‘Papallo Compact White’ - purest white petals perfectly surround the central cone on this compact growing variety, ideal for beds and containers alike.
  • Echinacea purpurea ‘Papallo Compact Pink’ - The classic colour, deep pink blooms produced on compact plants that are perfect for growing in containers as well as flower beds and borders.
  • Echinacea purpurea ‘Papallo Semi-Double Pink’ - a gorgeous variety that combines the features of Echinacea but with a lovely semi double flower, the centres being deeper pink frills with surrounding paler, larger petals to accent them.
  • Echinacea purpurea ‘Papallo Semi-Double White’ - a really stunning variety; feathery outer petals of pristine white form a delicate frame for the masses of creamy-yellow central blooms that cover the central cone, an eye catching addition to any collection.
  • Echinacea purpurea ‘Papallo Classic Rose’ - Delicately pale pink petals and an almost golden central cone add a touch of elegance to your summer borders. A delight to behold as a cut flower too!

  • Varieties included may differ from those illustrated.

More info
    • 5 echinacea jumbo plug plants

    • Despatch: By end of September 2016
    •  
    • £14.99
    • 10 echinacea jumbo plug plants

    • Despatch: By end of September 2016
    •  
    • £19.99
    • 20 echinacea jumbo plug plants

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

Phlox Collection (Creeping)

Phlox subulata, Moss Phlox

 Customer Rating
  • Fragrant ground cover
  • Flowers late spring
  • Attracts bees and butterflies
Groundcover needn't be dull! Carpet your garden in rich colour and keep the weeds at bay with our perennial creeping phlox collection. This hardy rockery plant has many uses – underplant trees, shrubs and tall perennials, soften path edging or cover awkward slopes and banks. If you're tired of your lawn, why not replace it with a sea of seasonal colour. This collection comes into its own in March to May, bridging the colour gap between winter and summer bedding. 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 October 2016
    •  
    • £13.99
    • 10 phlox Postiplug plants

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

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

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

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").


Please note, when you receive your plants, the green plastic tray is embossed with letters underneath each row of plants - these letters correspond to the list supplied with your plants so that you can identify them.


  • 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 September 2016
    • SAVE *£51.89  
    • £71.88 £19.99

Polyanthus eliator 'Crescendo® Mixed' F1 Hybrid

Primula, Oxlip

 Customer Rating
  • T&M Recommends
  • Polyanthus are a majestic spring container choice

Give your garden a dose of springtime magic and banish the winter gloom. Polyanthus 'Crescendo®' paints a rainbow of colour with its large blooms in bright colours making bold splashes in pots, window boxes and borders.The flowers are long-lasting, fragrant and produced in abundance upon strong stems which are held above neat rosettes of foliage. With excellent winter hardiness and superior disease resistance, you can expect repeat performances year after year. By far the best bedding polyanthus available.

 

Culinary note: Primula flowers are edible.

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.

More info
    • 36 polyanthus plug plants

    • Despatch: By end of September 2016
    • SAVE £3  
    • £9.99 £6.99
    • 72 polyanthus plug plants

    • Despatch: By end of September 2016
    • SAVE* £3.99  
    • £9.99

Pansy 'Matrix™ Mixed'

Viola x wittrockiana

 Customer Rating
  • Colour throughout winter and spring
  • 100% bigger, better and stronger than Pansy 'Universal'

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.

 

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

    • Despatch: By end of September 2016
    • + FREE £5 voucher  
    • £6.99
    • 72 pansy plug plants

    • Despatch: By end of September 2016
    • + FREE £5 voucher  
    • £9.99

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 September 2016
    • SAVE £5  
    • £9.99 £4.99
    • 10 dianthus Postiplug plants

    • Despatch: By end of September 2016
    • SAVE £7.50  
    • £14.99 £7.49
    • 20 dianthus Postiplug plants

    • Despatch: By end of September 2016
    • SAVE £12.50  
    • £24.99 £12.49

Primrose 'Planets Mixed'

Primula

  • Distinctive new colours
Freshen up tired spring borders with these exciting new Primulas! Each shapely flower of Primrose 'Planets Mixed' has a contrasting inner ring of colour that makes them really stand out from crowd. This unique feature has never been seen before in Primroses - so it's sure to attract attention. Grow them along path edges or in prominent patio containers where they can really be appreciated. Height and spread: 20cm (8").

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.

More info
    • 12 primrose plug plants

    • Despatch: By end of September 2016
    •  
    • £8.99
    • 24 primrose plug plants

    • Despatch: By end of September 2016
    • SAVE* £4.99  
    • £17.98 £12.99
    • 48 primrose plug plants

    • Despatch: By end of September 2016
    • SAVE* £16.97  
    • £35.96 £18.99

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

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

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

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

Iris 'Re-Blooming Collection'

Bearded Iris

 Customer Rating

A beautiful selection of hardy, drought tolerant bearded iris with exceptional disease and insect resistance. With the first flowers appearing in spring, and a second flush in autumn, these really are outstanding hardy perennials; perfect for summer borders. These majestic, tall bearded iris flowers have a delicate scent and make impressive cut flowers for a vase indoors. Height: 90cm (36"). Spread: 30cm (12").


  • Collection comprises:
  • Iris 'Orange Harvest' - Rust orange flowers.
  • Iris 'Victoria Falls' - Light blue iris flowers.
  • Iris 'Cantina' - Violet blooms.
  • Iris 'Buckwheat' - Golden yellow petals.
  • Iris 'Pass the Wine' - Wine red flowers.

 

4 for 3 on autumn planting bulbs
More info
    • 5 Iris rhizomes - 1 of each variety

    • Despatch: By end of September 2016
    •  
    • £14.99
    • 10 Iris rhizomes - 2 of each variety

    • Despatch: By end of September 2016
    • SAVE* £64.91  
    • £89.90 £24.99

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 September 2016
    •  
    • £5.99

Wallflower 'Dwarf Scented Mixed'

Erysimum, Cheiranthus

Sometimes the old methods are the best, and that's exactly why we've added good, old fashioned bareroot wallflower plants to our range. Wallflower 'Dwarf scented Mixed' can be planted straight out into beds, containers and borders to create a fantastic tapestry of scented colour in the following spring. Tough, compact and reliable - this short lived perennial is tough enough to cope in even the poorest of soils. Height: 40cm (16"). Spread: 30cm (12"). More info
    • 20 bare root wallflower plants

    • Despatch: By end of October 2016
    •  
    • £7.99
    • 40 bare root wallflower plants

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