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 77 products.
 

Rose Lily Grass

Rhodohypoxis

Dainty, jasmine-like flowers in two shades of pink erupt in profusion above short clumps of lance-shaped foliage in late spring, followed by flushes of flowers throughout the summer. Giving a long-lasting display throughout the summer months, these starry gems also have a delicate sweet fragrance. Each Rose Lily Grass plug plant contains more than one bulblet for prolific flowering in borders, rock gardens and containers. Although fully hardy, Rhodohypoxis will need protection from winter wet. Height and spread: 15cm (6"). More info
    • 1 Rose Lily Grass jumbo plug plant

    • Despatch: By end of July 2015
    •  
    • £14.99
    • 3 Rose Lily Grass jumbo plug plants

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

Osteospermum 'Blue Eyed Beauty'

African Daisy, Cape Daisy

  • The most rewarding plant for the least effort

Buttery yellow blooms with a contrasting blue eye smother this stocky little African Daisy from June to September. This early flowering variety has a compact, branching habit that is perfect for filling beds and containers, or edging sunny borders. Like all Cape Daisies, Osteospermum 'Blue Eyed Beauty' thrives in hot and sunny conditions, performing beautifully, even in difficult dry soils. Height and spread: 40cm (16").

More info
    • 5 osteospermum Postiplug plants

    • Despatch: By end of March 2016
    •  
    • £9.99
    • 10 osteospermum Postiplug plants

    • Despatch: By end of March 2016
    • Save £4.99  
    • £19.98 £14.99

Delosperma 'Hardy Mixed'

Hardy Ice Plant

 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: By end of September 2015
    •  
    • £9.99
    • 10 delosperma jumbo plug plants

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

    • Despatch: By end of September 2015
    • Save £3  
    • £19.99 £16.99

Osteospermum Collection (Hardy)

African Daisy, Cape Daisy

 Customer Rating

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 October 2015
    •  
    • £19.99

Phlox Collection (Creeping)

Phlox subulata, Phlox douglasii, 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 douglassi 'Red Admiral'
  • Phlox subulata 'Fort Hill'
  • Phlox subulata 'Scarlet Flame'
  • Phlox subulata 'Emerald Cushion Blue'
More info
    • 5 phlox Postiplug plants

    • Despatch: By end of September 2015
    •  
    • £11.99
    • 10 phlox Postiplug plants

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

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.
More info
    • 5 Iris rhizomes - 1 of each variety

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

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

Eryngium planum 'Blue Hobbit' (Large Plant)

Sea Holly, Blue Eryngo

Eryngium are handy little plants for the border, as they'll grow in many different types of soil, and the flower power of Eryngium 'Little Hobbit' is second to none!

Eryngium 'Little Hobbit' is a unique, dwarf Eryngium, which can be grown in a patio pot. The 30cm (12") plants become top-heavy in midsummer, with sprays of nearly 100 inky-blue flowers. Height and Spread: 30cm (12").

More info
    • 1 x 1 litre potted eryngium plant

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

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

Lupin 'Russell Hybrids Mixed'

Lupinus

Tall spires of tightly packed flowers rise above clumps of palmate foliage in a magical array of colours. This wonderful mix of the ever popular 'Russell Hybrids' is ideal for adding height and structure to the back of perennial borders and woodland edges. A distinctive hardy perennial that remains a cottage garden favourite. Height: 90cm (36"). Spread: 50cm (20"). More info
    • 3 x 5cm potted lupin plants

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 6 x 5cm potted lupin plants

    • Despatch: By end of July 2015
    • Save £6.99  
    • £19.98 £12.99

Osteospermum 'Tresco Purple' (Hardy)

Osteospermum 'Nairobi Purple', African Daisy, Cape Daisy

Bold pink daisy flowers open every morning to greet the sun. Versatile and resilient, hardy Osteospermum 'Tresco Purple' will thrive in hot, dry, neglected conditions and yet is one of the longest-flowering plants in the garden! Expect vibrant summer colour and weed suppressing ground cover from this easy to grow, sun loving Cape Daisy. Height: 40cm (16"). Spread: 90cm (36").
More info
    • 3 osteospermum jumbo plug plants

    • Despatch: By end of October 2015
    •  
    • £11.99

Geum 'Totally Tangerine' (Large Plant)

Avens

Gorgeous pale orange blooms 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 warm orange blooms of Geum 'Totally Tangerine' also make fantastic cut flowers for a vase indoors. Height: 60cm (24"). Spread: 45cm (18"). More info
    • 1 x 1 litre potted geum plant

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

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

Salvia 'Amistad' (Large Plant)

Sage

Salvia 'Amistad' is an exceptionally beautiful new variety. Exquisite rich purple flowers are carried on tall, near-black stems above a mound of lush green foliage. With regular deadheading, this magnificent hardy perennial can bloom almost continuously from May right through to October, attracting a host of bees and butterflies throughout the season. Ornamental Sage has long been a stalwart of cottage garden borders, and this one is no exception. Perfect for exotic planting schemes and wildlife gardens too. Height: 120cm (48"). Spread: 50cm (20"). More info
    • 1 x 1 litre potted salvia plant

    • Despatch: By end of July 2015
    •  
    • £7.99
    • 1 x 2 litre potted salvia plant

    • Despatch: By end of July 2015
    •  
    • £11.99
    • 2 x 1 litre potted salvia plants

    • Despatch: By end of July 2015
    •  
    • £12.99
    • 2 x 2 litre potted salvia plants

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

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 August 2015
    •  
    • £19.99