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 32 products.
 

Brunnera macrophylla 'Jack Frost' (Large Plant)

Siberian Bugloss

  • New in 2015

Grown for it's large, heart shaped, silver leaves with a sparkling metallic sheen that will brighten the shadiest borders. In Spring, the neat clumps of foliage are complimented by delicate sprays of sky blue flowers. Brunnera macrophylla ‘Jack Frost' is a resilient, quick growing hardy perennial, making useful ground cover in those tricky shady areas. Try planting this Siberian Bugloss among hardy ferns for a woodland feel or throughout the front of cottage garden borders. Height: 45cm (18"). Spread: 60cm (24").

More info
    • 1 x 3 litre potted brunnera plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 3 litre potted brunnera plants

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

Scabious 'Blue Jeans'

Scabiosa, Pincushion Flower

 Customer Rating
An abundance of blue pincushion scabious flowers will attract bees and butterflies throughout summer. The tall, wiry stems can also be cut to create a pretty display indoors. Scabiosa 'Blue Jeans' blends well among cottage garden borders, where they look particularly effective planted in large drifts. Height and spread: 45cm (18").
More info
    • 6 scabious plug plants

    • Despatch: By end of September 2015
    •  
    • £5.99
    • 12 scabious plug plants

    • Despatch: By end of September 2015
    •  
    • £8.99

Coreopsis grandiflora 'Presto'

Tickseed

 Customer Rating
Coreopsis 'Presto' is so long-flowering and colourful that you can mix it up with summer bedding annuals to achieve a truly amazing, long lasting display. Neat, compact plants are smothered in golden-yellow, semi-double flowers all summer long. This versatile tickseed plant will grow almost anywhere, even in dry soil! Height and spread: 45cm (18").
More info
    • 6 coreopsis plug plants

    • Despatch: By end of September 2015
    •  
    • £5.99
    • 36 coreopsis plug plants

    • Despatch:
    •  
    • £10.99
    • Out of stock
    • 72 coreopsis plug plants

    • Despatch: By end of September 2015
    • Double up 36 to 72 for £5 extra  
    • £21.98 £15.99

Campanula 'Pink Octopus'

Bellflower

  • New in 2015
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: By end of September 2015
    • SAVE £7  
    • £13.99 £6.99
    • 6 campanula jumbo plug plants

    • Despatch: By end of September 2015
    • SAVE £8  
    • £19.99 £11.99

Salvia nemorosa 'Marcus' (Large Plant)

Salvia are effortless, hardy plants for mixed borders. Salvia nemorosa 'Marcus' is a particularly special selection, with deep indigo flower spikes above clumps of aromatic foliage, the blooms coming in such density that they create a solid block of colour.

Salvia plants are deer resistant, rabbit resistant, and will attract bees and butterflies to your garden. Salvia 'Marcus' is short, neat and will make a strong feature towards the front of cottage garden borders and wildlife gardens. Trimming the plants in midsummer will encourage even more flowers! Height: 45cm (18"). Spread: 45cm (18").

More info
    • 1 x 1 litre potted salvia plant

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 1 litre potted salvia plants

    • Despatch:
    •  
    • £16.99
    • Out of stock

Anemone 'Wild Swan'

Windflower

  • Award winning new anemone, a Chelsea champion
A truly beautiful perennial, and winner of the RHS Chelsea Flower Show 2011 Plant of the Year title. Trialled over a 10 year period, Anemone 'Wild Swan' is a cross between early and late flowering anemones and as such, the unique flowers bloom intermittently from April right through to the autumn. Each elegant white flower is backed with pretty blue streaks that look particularly eye catching when the flowers nod closed in the mornings and evenings. A superb perennial for borders and woodland gardens with a neat, compact habit. Height: 45cm (18"). Spread: 60cm (24")
More info
    • 1 x 7cm anemone potted plant

    • Despatch: By end of September 2015
    •  
    • £13.99
    • 2 x 7cm anemone potted plants

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

Echinacea purpurea 'Little Magnus' (Large Plant)

Coneflower

Cone Flowers are an easy to grow hardy plant, which look fantastic in cottage garden borders. Echincea 'Little Magnus' is particularly special, as the plants are short, compact and smothered in flowers!

Echincea are excellent for wildlife planting, as bees and butterflies enjoy the sweet nectar coming from the blooms. Height: 45cm (18"). Spread: 30cm (12").

More info
    • 1 x 1 litre potted echinacea plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 1 litre potted echinacea plants

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

Geum 'Banana Daiquiri' (Cocktails series) (Large Plant)

Avens

The refreshing, lemon yellow flowers of Geum 'Banana Daiquiri' are borne above neat clumps of semi evergreen foliage in late spring. Carried on fuzzy stems, each bloom is semi double with a whirl of yellow anthers at its centre. This neat little Avens makes a useful hardy perennial for the front of borders. Take a few of the blooms for a late spring posy - they make great cut flowers! Height: 45cm (18").Spread: 35cm (14"). More info
    • 1 x 1 litre potted geum plant

    • Despatch: By end of September 2015
    •  
    • £7.99
    • 2 x 1 litre potted geum plants

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

Agapanthus africanus (Large Plant)

African Blue Lily

Agapanthus are spectacular border plants, which look exotic, but are fully hardy in the UK, and will last for many years in the right position. The strap-like leaves create a robust, space-filling clump in the border, and play host to 80cm (31") stems topped with deep blue, trumpet-shaped blooms in late summer.

Agapanthus is evergreen and will excel in Mediterranean-style plantings. Plants will appreciate a sheltered corner, and can be grown in the border or patio containers. The late summer flower displays of the African Lily are a sight to behold. Height: 1m (39"). Spread: 50cm (19").

More info
    • 1 x 12cm potted agapanthus plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 2 x 12cm potted agapanthus plants

    • Despatch: By end of September 2015
    •  
    • £16.99

Agapanthus africanus 'Albus' (Large Plant)

African Lily

Exotic, hardy plants with globes made up of many small, trumpet-like blooms in pure white, coming up from robust, grassy foliage. Agapanthus africanus 'Albus' makes an outstanding border perennial for a sunny position in the garden.

African Lilies also make attractive patio container plants; especially in aged terracotta containers. They are easy maintenance plants, and only need re-potting every few years. For something new, try cutting a few blooms of your African Lilies and display them in a vase indoors. Height: 1m (39"). Spread: 50cm (19").

More info
    • 1 x 1 litre potted agapanthus plant

    • Despatch: By end of September 2015
    •  
    • £10.99
    • 2 x 1 litre potted agapanthus plants

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

Geum 'Fireball' (Large Plant)

Avens

Ruffled, semi double flowers with gently scalloped edges make an eye catching display from May to July. Geum 'Fireball' is longer flowering than older cultivars and equally well loved by pollinating insects. This compact little Avens forms a neat clump of foliage that sits nicely at the front of borders. An easy to grow and undemanding hardy perennial, that also makes a nice cut flower. Height and spread: 45cm (18"). More info
    • 1 x 2 litre potted geum plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 2 litre potted geum plants

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

Sedum telephium 'Purple Emperor' (Large Plant)

Stonecrop

A particularly stylish Sedum with succulent burgundy-black foliage that adds a touch of drama to the front of borders. In late summer, Sedum telephium 'Purple Emperor' produces wide panicles of ruby-red flowers that persist well into autumn. The striking blooms are loved by butterflies and provide a useful source of late season nectar for pollinating insects. This superb hardy perennial holds an RHS AGM for its garden performance. An excellent choice for hot, sunny borders and exotic planting schemes. Height and spread: 45cm (18"). More info
    • 1 x 2 litre potted sedum plant

    • Despatch: By end of September 2015
    •  
    • £11.99
    • 2 x 2 litre potted sedum plants

    • Despatch: By end of September 2015
    •  
    • £18.99