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 24 products.
 

Foxglove 'Dalmatian 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 September 2015
    •  
    • £5.99
    • 24 foxglove plug plants

    • Despatch:
    •  
    • £12.99
    • Out of stock

Penstemon 'Wedding Bells' Mixed

 Customer Rating
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

More info
    • 24 penstemon plug plants

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 48 penstemon plug plants

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

Echinacea 'Cheyenne Spirit Mixed'

Coneflower

  • The first cone flower for bedding plants
This colourful coneflower has a super branching habit that produces many more flowers per plant than other varieties. Its free flowering habit makes Echinacea 'Cheyenne Spirit Mixed' ideal as an unusual bedding plant. This vibrant mix contains a range of sought after colours for a really dazzling display. Like all coneflowers, these Echinacea are also ideal for growing in wildlife gardens and coastal positions. The flowers are great for cutting too! Height: 50cm (20"). Spread: 40cm (16").
More info
    • 12 echinacea plug plants

    • Despatch:
    •  
    • £10.99
    • Out of stock
    • 24 echinacea plug plants

    • Despatch:
    •  
    • £16.99
    • Out of stock
    • 48 echinacea plug plants

    • Despatch:
    •  
    • £21.99
    • Out of stock

Eryngium 'Neptune's Gold'

Sea Holly

  • New in 2015
The plant everyone's talking about! Eryingium 'Neptune's Gold' is the kind of breeding breakthrough that doesn't come along every day; a true colour break - the world's first golden Sea Holly! Selected in Wales from a batch of seedlings, this unique specimen still retains the iconic blue flower tones of Eryngium, but also takes on a stunning golden sheen - just like Neptune's crown! This superb perennial was Voted Best New Product at the recent Grower of the Year awards 2015. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 1 x 9cm potted eryngium plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 9cm potted eryngium plants

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

Mimulus x cultorum 'Major Bees' (Large Plant)

Diplacus, Monkey Flower, Musk

Mimulus are low growing, bushy plants, which are easy to grow, producing many orchid-like flowers from early summer. They love a moist soil, and can cope with waterlogging and growing at the edge of ponds.

Monkey Flowers can be grown in borders or in patio containers, and will flower for longer in a shady corner. Mimulus 'Major Bees' is a distinctive cultivar with golden-yellow, spotted flowers. Height and spread: 50cm (20").

More info
    • 1 x 1 litre potted mimulus plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 2 x 1 litre potted mimulus plants

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

Hosta 'Fragrant Blue' (Large Plant)

Plantain Lily

This is a particularly eye-catching variety with chalky-blue foliage that retains its colour throughout the season. From July to August, the delicately scented, mauve pink flowers offer the perfect complement to the heart shaped foliage. In moist soils, this low growing hardy perennial forms dense ground cover. Hosta 'Fragrant Blue' is perfect for the front of borders, woodland planting schemes, or in the damp soil at the edge of ponds. Height: 50cm (20"). Spread: 100cm (39"). More info
    • 1 x 2 litre potted hosta plant

    • Despatch: By end of September 2015
    •  
    • £13.99
    • 2 x 2 litre potted hosta plants

    • Despatch: By end of September 2015
    •  
    • £21.99

Geum 'Fruit Punch' Collection

Avens

A fruity collection of Geums which are ideal for adding to the front of perennial borders for summer-long colour. The pretty, bowl-shaped blooms are held high above the foliage on elegant, wiry stems, which are ideal for cutting for a vase indoors. Easy to grow, reliable and with a long flowering period, Geum 'Fruit Punch Collection' is an essential addition to your summer garden.


  • Collection comprises the following varieties:
  • Geum 'Mai Tai' - A compact Geum with beautiful, ruffled apricot-orange blooms emerging from contrasting burgundy buds. Height: 45cm (18"). Spread: 40cm (16").
  • Geum 'Double Sunrise' - A cheerful new Geum with gorgeous, double yellow blooms. Height: 50cm (20"). Spread: 45cm (18").
  • Geum 'Flames of Passion' - Soft red, semi-double blooms with contrasting yellow anthers are borne on burgundy stems. Height: 45cm (18"). Spread: 40cm (16").
More info
    • 3 bare root geum plants - 1 of each variety

    • Despatch: By end of November 2015
    •  
    • £18.99
    • 6 bare root geum plants - 2 of each variety

    • Despatch: By end of November 2015
    •  
    • £26.99

Veronica longifolia 'Candied Candle' (Large Plant)

Speedwell

Veronica ‘Candied Candle’ bears detailed flower spikes in candy pink. Plants are strong, weatherproof and untroubled by pest and disease. This late-flowering perennial will establish easily into any border, and flower it’s heart out from late summer, attracting hosts of butterflies and beneficial insects. Veronica plants are very low-maintenance, super hardy and flower for a long period. Height: 50cm (20"). Spread: 30cm (12"). More info
    • 1 x 1 litre potted Veronica plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 1 x 2 litre potted veronica plant

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

    • Despatch: By end of September 2015
    •  
    • £16.99
    • 2 x 2 litre potted veronica plants

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

Euphorbia x martini 'Ascot Rainbow' (Large Plant)

Milkweed, Spurge

Evergreen blue-grey leaves edged with bright gold margins make a colourful display throughout the year. The vibrant foliage of Euphorbia x martinii 'Ascot Rainbow' takes on an attractive rosy pink tinge during colder weather and shows superb winter hardiness. In spring, this showy Spurge bears chartreuse green flowers towards the tip of each stem, each with a dark contrasting eye. This striking perennial makes a lovely addition to sunny borders, and once established, is particularly drought tolerant. Height and spread: 50cm (20"). More info
    • 1 x 2 litre potted euphorbia plant

    • Despatch: By end of September 2015
    •  
    • £13.99
    • 2 x 2 litre potted euphorbia plants

    • Despatch: By end of September 2015
    •  
    • £21.99

Geum 'Double Sunrise'

Avens

A cheerful new Geum with gorgeous, double yellow blooms, which rise above clumps of foliage on thin, wiry stems. This free-flowering Geum is a tough and reliable addition to perennial borders where it will bloom non-stop from early summer right through until early autumn. The vibrant yellow blooms of Geum 'Double Sunrise' also make fantastic cut flowers for a vase indoors. Height: 50cm (20"). Spread: 45cm (18"). More info
    • 1 bare root geum plant

    • Despatch: By end of November 2015
    •  
    • £10.99

Foxglove 'Dalmatian Cream' F1 Hybrid

Digitalis purpurea

Elegant cream trumpets with pretty spotted throats crowd the vertical stems of Foxglove 'Dalmation Cream'. This statuesque foxglove has a sturdy, uniform habit forming well branched plants that look magnificent in cottage gardens and woodland borders. Let this short lived perennial seed about to create dramatic drifts and attract wildlife to its nectar rich flowers. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 12 foxglove plug plants

    • Despatch: By end of March 2016
    •  
    • £7.99

Geranium 'Evka'

Pelargonium, Pelargonium 'Penevro', Ivy-leaved Geranium, Ivy-leaved Pelargonium

  • The 'stand out' geranium from our trials
Masses of tiny, cream edged leaves contrast beautifully with the spectacular scarlet blooms of Geranium ‘Evka'. The long, cascading stems of this trailing Ivy leaf geranium are perfect for a dramatic display in hanging baskets and window boxes. Height: 50cm (20"). Spread: 30cm (12").
Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.
More info
    • 5 geranium jumbo plug plants

    • Despatch: By end of March 2016
    •  
    • £11.99
    • 10 geranium jumbo plug plants

    • Despatch: By end of March 2016
    • Save £6.99  
    • £23.98 £16.99