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.



We have found 550 products.
 

Delosperma 'Hardy Mixed'

 Customer Rating
  • Vigorous ground cover, even in the driest of soils

Unique, versatile and vibrant! The fleshy, drought tolerant creeping stems of these hardy Ice Plants make ideal ground cover on sunny banks and poor stony soils. The showy daisy-like flowers of Delosperma 'Hardy Mixed' create a carpet of intense colour, in exclusive new shades that will stop you in your tracks. Fantastic for those hot, dry problem areas where many other plants would fail to establish. Height: 10cm (4"). Spread: 60cm (24").

More info
    • 5 delosperma jumbo plug plants

    • Despatch:
    • SAVE £2  
    • £9.99 £7.99
    • Out of stock
    • 10 delosperma jumbo plug plants

    • Despatch: By end of June 2015
    • SAVE £3  
    • £14.99 £11.99
    • 20 delosperma jumbo plug plants

    • Despatch: By end of June 2015
    • SAVE £3  
    • £19.99 £16.99

Actaea simplex 'Black Negligee' (Atropurpurea Group)

Bugbane, Cimicifuga

Dramatic, finely cut, jet black foliage contrasts beautifully with the architectural plumes of fragrant, creamy white flowers. The bottlebrush blooms of Actaea simplex 'Black Negligee' are gently scented, appearing late in the season from September, just as other plants are fading. Bugbane is a particularly useful hardy perennial, adding stature and impact to damp, shady spots. Perfect for cottage garden borders and woodland planting schemes. Height: 120cm (47"). Width: 60cm (24").
More info
    • 1 jumbo plug plant

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 3 jumbo plug plants

    • Despatch: By end of September 2015
    • SAVE £4.99  
    • £19.98 £14.99

Gerbera 'Sweet Collection' (Hardy)

  • Bigger and better winter hardy gerberas
  • Three seasons of stunning colour
Growing Gerberas outdoors was virtually inconceivable ten years ago. Now these 2nd generation hardy Gerberas can be grown year round in the border! Gerbera 'Sweet Collection’ produces plenty of classic daisy blooms that are twice the size of other hardy Gerberas, and make fabulous cut flowers. Blooming reliably from June to October, these wonderful clump forming hardy perennials make a big impact in borders and patio containers. Height and spread: 45cm (18").
More info
    • 3 x 7cm potted gerbera plants (1 of each variety)

    • Despatch: By end of June 2015
    •  
    • £19.99

Penstemon 'Dark Towers'

Dark bronze semi-evergreen foliage makes the perfect backdrop for the tubular, bright pink flowers of Penstemon ‘Dark Towers’. Blooming from midsummer until the first frosts, the long lasting flowers are irresistible to pollinating insects, adding colour to borders long after other summer flowering perennials have faded. This resilient, carefree hardy perennial is undemanding and easy to grow, tolerating almost any position in the garden, regardless of rain or drought, and even resisting slug damage! Height: 75cm (30"). Spread: 40cm (16"). More info
    • 3 jumbo plug plants

    • Despatch: By end of June 2015
    •  
    • £12.99
    • 6 jumbo plug plants

    • Despatch: By end of September 2015
    • SAVE £8.99  
    • £25.98 £16.99

Peony 'Eden's Perfume'

Paeonia

  • Best in Class for border peonies
Said to be the most fragrant peony ever! Large pink, layered blooms with a powerful scent of roses, and layer upon layer of sublime, shell pink petals. Herbaceous peonies are a real feature of the border producing exotic, elegant blooms from early summer onwards which are superb for cutting. Peonies are hardy, long lived and cope well on heavier soils, provided that they are well drained. Height: 90cm (36"). Spread: 60cm (24").

Useful links:

How to plant peonies

More info
    • 1 bare root plant

    • Despatch: By end of November 2015
    •  
    • £14.99

Pansy 'Frizzle Sizzle' Mixed

Viola x wittrockiana

 Customer Rating
Plant a rainbow of colours and frills that bring your garden to life during late winter and spring. Cheery blooms on compact plants with a hint of pansy scent and incredible flowering performance. Pansy 'Frizzle Sizzle' is ideal for brightening up your beds, containers, Flower Pouches® and window boxes. Height and spread: 23cm (9?).

 

Culinary note: Pansy flowers are edible.

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

More info
    • 36 plug plants

    • Despatch: By end of August 2015
    •  
    • £13.99
    • 72 plug plants

    • Despatch: By end of August 2015
    •  
    • £17.99

Sanguinaria canadensis f.multiplex

Bloodroot, Red Puccoon

Although rarely seen in the garden centres, Sanguinaria canadensis f.multiplex is a beautiful plant for a damp shady spot in the garden. Small white blooms that resemble tiny waterlilies emerge from between the blue-green leaves in spring. The elegant flowers are delicately scented with a light, spicy fragrance. Interestingly the rhizomes of this hardy perennial exude red sap when cut, giving the plant it’s common name of Bloodroot. Perfect for woodland gardens, shaded borders and rockeries. Height: 15cm (6"). Spread: 30cm (12"). More info
    • 1 bare root plant

    • Despatch: By end of March 2016
    •  
    • £19.99
    • 2 bare root plants

    • Despatch: By end of March 2016
    • SAVE £9.99  
    • £39.98 £29.99

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 June 2015
    •  
    • £5.99
    • 24 plug plants

    • Despatch:
    •  
    • £12.99
    • Out of stock

Fuchsia arborescens

  • New in 2015
This tender species fuchsia bears large panicles of delicately scented cerise pink flowers in summer, followed by decorative spherical purple fruits. Fuchsia arborescens is an elegant evergreen fuchsia for a large patio container or conservatory specimen. Take a trip back in time and discover some of the original species, from which the plethora of today's new varieties are derived. Height: 180cm (72"). Spread: 150cm (59").
More info
    • 1 jumbo plug plant

    • Despatch: By end of June 2015
    •  
    • £7.99
    • 2 jumbo plug plants

    • Despatch: By end of June 2015
    •  
    • £12.99

Jasminum beesianum

Jasmine

Delicate pink trumpets with a heavenly scent erupt into bloom from midsummer. The twining stems are clothed in glossy, semi evergreen foliage that makes the perfect backdrop for its shiny, black winter berries. Jasmine beesianum flowers have a lighter, more delicate perfume than common Jasmine making it perfect for growing over a doorway or seating area where it can be fully appreciated. A quick growing climber for a long season of interest! Height and spread: 200cm (79"). More info
    • 1 x 7cm potted Jasminum plant

    • Despatch: By end of August 2015
    •  
    • £11.99
    • 3 x 7cm potted plants

    • Despatch: By end of August 2015
    •  
    • £19.99

Euphorbia Duo

Euphorbia characias, Euphorbia x martinii, Milkweed, Spurge

These hardy perennials are well known for their drought tolerance once established, and make superb evergreen specimens for sunny borders. Our Euphorbia Duo combines two fabulous varieties, each with different variegated foliage that will bring year round colour to your garden.

  • Collection comprises:
  • Euphorbia x martinii 'Ascot Rainbow' - Blue-grey leaves edged with bright gold margins that take on an attractive rosy pink tinge during colder weather.
  • Euphorbia characias 'Glacier Blue' - Smokey blue-green foliage edged with contrasting cream margins makes a fabulous evergreen display.
More info
    • 4 jumbo plug plants - 2 of each variety

    • Despatch: By end of June 2015
    •  
    • £14.99

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. For more details about edible flowers click here.

More info
    • 36 plug plants

    • Despatch: By end of August 2015
    •  
    • £12.99
    • 72 plug plants

    • Despatch: By end of August 2015
    • SAVE £8.99  
    • £25.98 £16.99