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 42 products.
 

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 rhizomes (1 of each variety)

    • Despatch: By end of February 2015
    • SAVE £28.96  
    • £44.95 £15.99
    • 10 rhizomes (2 of each variety)

    • Despatch: By end of February 2015
    • SAVE £69.91  
    • £89.90 £19.99

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 jumbo plug plants - 3 of each variety

    • Despatch: By end of March 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 'Calvides White'
  • Phlox subulata 'Scarlet Flame'
  • Phlox subulata 'Emerald Cushion Blue'
More info
    • 5 Postiplug plants

    • Despatch: By end of April 2015
    •  
    • £13.99
    • 10 Postiplug plants

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

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 jumbo plug plant

    • Despatch: By end of March 2015
    •  
    • £11.99
    • 3 jumbo plug plants

    • Despatch: By end of March 2015
    • SAVE £18.98  
    • £35.97 £16.99

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 Postiplug plants

    • Despatch: By end of April 2015
    •  
    • £9.99
    • 10 Postiplug plants

    • Despatch: By end of April 2015
    • 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 jumbo plug plants

    • Despatch: By end of March 2015
    •  
    • £9.99
    • 10 jumbo plug plants

    • Despatch: By end of March 2015
    •  
    • £14.99
    • 20 jumbo plug plants

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

Soldanella montana

Snowbell, Mountain Tassel

Nodding spring blooms, with fringed pale blue petals are carried on upright stems like little parasols. The unusual flowers of Soldanella montana rise above clumps of rounded, leathery green foliage that remains evergreen. Commonly known as the Snowbell, this delightful and rarely seen hardy perennial makes a unique feature in the rockery or planted in alpine troughs.Height and spread: 20cm (8"). More info
    • 1 x 9cm potted plant

    • Despatch: By end of September 2015
    •  
    • £14.99
    • 2 x 9cm potted plants

    • Despatch: By end of September 2015
    • SAVE £9.99  
    • £29.98 £19.99

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 jumbo plug plants

    • Despatch: By end of March 2015
    •  
    • £13.99

Salvia x jamensis 'Hot Lips'

Sage

Spice up your summer patio pots with Salvia ‘Hot Lips’. Naturally bushy plants boast eye-catching flower spikes with open-mouthed, bicolour blooms. In particularly hot weather look out for individual flowers in solid red or solid white. The aromatic foliage has a fine blackcurrant fragrance that only adds to its charm. This showy ornamental sage is perfect for cottage garden borders and containers, or incorporated into bedding schemes for a vibrant summer display. Although perennial, this half hardy Salvia will appreciate some protection from winter weather. Height: 90cm (35"). Spread: 60cm (24"). More info
    • 5 Postiplug plants

    • Despatch: By end of April 2015
    •  
    • £9.99
    • 10 Postiplug plants

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

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 plants

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

    • Despatch: By end of April 2015
    • SAVE £6.99  
    • £19.98 £12.99

Osteospermum 'Snow Pixie' (Hardy)

African Daisy, Cape Daisy

A perfect contrast to its purple-pink coloured cousins, sporting clean, white petals with a golden yellow eye. Versatile and resilient, hardy Osteospermum 'Snow Pixie' will thrive in hot, dry, neglected conditions, yet remains one of 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: 15cm (6"). Spread: 90cm (36").
More info
    • 3 jumbo plug plants

    • Despatch: By end of March 2015
    •  
    • £13.99