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 79 products.
 

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

Polyanthus eliator 'Crescendo® Mixed' F1 Hybrid

Primula, Oxlip

 Customer Rating
  • T&M Recommends
  • Polyanthus are a majestic spring container choice

Give your garden a dose of springtime magic and banish the winter gloom. Polyanthus 'Crescendo®' paints a rainbow of colour with its large blooms in bright colours making bold splashes in pots, window boxes and borders.The flowers are long-lasting, fragrant and produced in abundance upon strong stems which are held above neat rosettes of foliage. With excellent winter hardiness and superior disease resistance, you can expect repeat performances year after year. By far the best bedding polyanthus available.

 

Culinary note: Primula flowers are edible.

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

More info
    • 36 polyanthus plug plants

    • Despatch: By end of August 2015
    •  
    • £7.99
    • 72 polyanthus plug plants

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

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 August 2015
    •  
    • £5.99
    • 24 foxglove plug plants

    • Despatch:
    •  
    • £12.99
    • Out of stock

Primrose 'Palazzo Wine'

Primula

  • New in 2015
Treat yourself to some luxury at every day prices with our latest fancy primrose. We've selected Primrose 'Palazzo Wine' F1 for its sumptuous crested blooms and sheer flower power. The burgundy ruffled blooms are complimented by an elegant silver-laced edging and are produced in profusion, creating what we are calling a one plant posie. These hardy vigorous plants make perfect colourful border fillers, adding real impact to spring displays, but this hardy Primrose comes into its own in patio containers, where you can really appreciate the opulent blooms from February right through to May. Why not set a single plant in a small pot for occasional use as a table centre piece? Height: 25cm (10"). Spread: 20cm (8").
More info
    • 3 primula jumbo plug plants

    • Despatch: By end of September 2015
    •  
    • £8.99
    • 6 primuls jumbo plug plants

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

Stock 'Most Scented Mix' (Garden Ready)

Matthiola incana, Gillyflower

  • The fast-track to a hassle-free garden - just plant, water and enjoy!
  • Quality plants delivered to your door, hardened off and ready to plant out
  • Fully-grown, super-robust, healthy plants
Our garden ready plants are selected for garden performance, straight from the nursery. We send them to you 'green' ahead of flowering (but please note some varieties may show a few blooms), which means plants will establish quickly and all their energy goes into producing better roots, so they produce more flowers throughout the season.

Specially selected for their strong and spicy fragrance and fabulous colours! Start growing Stock 'Most Scented Mix' in autumn for spring borders that will look and smell incredible. These pretty Gillyflowers make superb bedding plants and don't forget to cut some for a vase indoors too. Height: 30cm (12"). Spread: 20cm (8").

 

More info
    • 30 stock garden ready plants

    • Despatch: By end of August 2015
    • Buy 2 packs for just £25  
    • £14.99

Penstemon 'Ice Cream Collection'

Including three fantastic varieties, these popular hardy perennials deserve a prime spot in the garden. Eyecatching tubular flowers appear in summer above a flush of glossy, semi-evergreen foliage. The long-lasting blooms of Penstemon 'Ice Cream Collection' continue well into autumn, long after other plants have run out of steam. Undemanding and easy to grow, Penstemons tolerate almost any position in the garden, regardless of rain or drought, and even resist slug damage. What more could you ask of a plant? Height: 80cm (31"). Spread: 45cm (18").


  • Collection comprises:
  • Penstemon 'Blackberry' - Luxurious, rich purple, tubular blooms.
  • Penstemon 'Juicy Grape' - Wide trumpet shaped flowers in a fruity shade of purple.
  • Penstemon 'Strawberries & Cream' - White trumpet shaped flowers with delicately speckled pink throats.
More info
    • 9 penstemon Postiplug plants

    • Despatch: By end of July 2015
    • Save £12.98  
    • £27.97 £16.99

Helianthemum Collection

Rock Rose, Sun Rose

These tough little rock roses are hardy, drought tolerant and trouble-free, producing glorious colour from late spring to midsummer. If pruned after flowering, they'll even reward you with a second flush of blooms in late summer! The nectar-rich flowers, set against a backdrop of silvery, semi-evergreen foliage, are loved by bees and other insects. This helianthemum collection makes excellent groundcover or a versatile addition to rockeries or hot, dry borders. Height: 20cm (8"). Spread: 30cm (12").
  • Collection comprises the following varieties:
  • Helianthemum 'Ben Mohr' - Orange, saucer shaped flowers.
  • Helianthemum 'Pink Angel' - An abundance of delicate double, pink flowers.
  • Helianthemum 'The Bride' - A pretty, white rock rose with an RHS Award of Garden Merit.
  • Helianthemum 'Ben Fhada' - Bright, primrose yellow blooms with golden egg-yolk centres.
  • Helianthemum 'Peachy Keen' - New peach bloomed variety 'Peachy Keen' has an overwhelming amount of petals, further boosting the effect in your garden!
More info
    • 5 helianthemum jumbo plug plants - 1 of each variety

    • Despatch: By end of July 2015
    •  
    • £14.99
    • 10 helianthemum jumbo plug plants - 2 of each variety

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

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

Most Scented Bumper Pack

Treat yourself to this fantastic bumper pack of the most scented bedding and border plants, and save yourself £££s! These great value perennials will fill your garden with fragrance and colour in a fabulous springtime display. You'll receive 12 plug plants of each of the following varieties - that's 72 plug plants in total! Height and spread: Up to 30cm (12").

  • Most Scented Bumper Pack comprises 12 plug plants each of:
  • Primrose 'World's Most Scented Mix' - Let the sweet citrus scent and the fresh colour mix of these reliable perennials transport you into spring.
  • Viola 'Most Scented' Mix - This exclusive blend exudes a spring-like perfume even on the coolest of winter days.
  • Stocks 'Most Scented' Mix - Specially selected for their strong and spicy fragrance and fabulous colours!
  • Pansy 'Most Scented' Mix - Larger than violas, with a cheery bright colour mix that will continue well into late spring.
  • Polyanthus 'Most Scented' Mix - Plenty of scented flowers on short, stocky stems, above neat rosettes of lush foliage.
  • Wallflower 'Most Scented' Mix - Versatile and undemanding, this tough perennial can cope in even the poorest of soils.
More info
    • 72 plug plants - 12 of each variety

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

Dierama Collection

Angel's Fishing Rod

Clusters of delicate bell shaped flowers dangle from impossibly slender stems that arch and tremble in the breeze. From July, the elegant blooms rise above clumps of slender, semi-evergreen, grass like foliage before giving way to attractive seedheads in late summer. Dierama is a truly graceful hardy perennial and makes a most beautiful addition to cottage garden borders, adding movement and fluidity to planting schemes. Often referred to as Angel's Fishing Rod, it looks particularly attractive when overhanging water. Height: 100cm (39"). Spread: 45cm (18").

  • Collection comprises:
  • Dierama argyruem - Dazzling white bell shaped flowers that dangle from arching stems.
  • Dierama 'Blackberry Bells' - Deep purple pink blooms on wiry stems.
  • Dierama erectum - Stiffer stems filled with outward facing blooms, rather than pendulous flowers.
More info
    • 3 x 9cm potted dierama plants

    • Despatch: By end of July 2015
    •  
    • £16.99
    • 6 x 9cm potted dierama plants

    • Despatch: By end of July 2015
    •  
    • £29.99

Foxglove 'Camelot Rose' (Large Plant)

Digitalis purpurea

Foxgloves are the perfect cottage garden plant; and new strain Foxglove 'Camelot Rose' has the traditional appearance of usual wild Foxgloves, but with blooms all around the stem, giving even more impact.

'Camelot' Foxgloves are superior, F1 hybrid quality, and plants will flower in the same year that they are planted. Digitalis are ideal for cottage garden borders, are easy to grow and will last for many years. Height: 120cm (48"). Spread: 45cm (18").

More info
    • 1 x 3 litre potted foxglove plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 2 x 3 litre potted foxglove plants

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

Delosperma 'Wheels of Wonder'

Hardy Ice Plant

  • Giant-flowered hardy ice plants
  • Bigger blooms for extra ground cover
A marked improvement on standard Ice Plants! Delosperma 'Wheels of Wonder' has flowers twice the normal size, and boasts some psychedelic colour combinations too. These hardy, low maintenance plants make fabulous ground cover for sunny banks and poor stony soils. Perfect for those hot, dry problem areas where many other plants would fail to establish. Height: 15cm (6"). Spread: 60cm (24").
More info
    • 5 Delosperma jumbo plug plants

    • Despatch: By end of July 2015
    •  
    • £13.99
    • 10 Delosperma jumbo plug plants

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