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.


For beautiful summer flowers browse our range of annual plants.



We have found 26 products.
 

Helianthemum Collection

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 2016
    •  
    • £9.99
    • 10 helianthemum jumbo plug plants - 2 of each variety

    • Despatch: By end of July 2016
    •  
    • £14.99

Parahebe 'Snow Clouds'

  • Spring displays just got more interesting
  • New hardy perennial for early season containers
  • Mix with your favourite spring bedding or other early perennials

Seasonal flower colour is what we do best! We’re pleased to add this hardy late spring perennial to our books so you can bridge the gap between spring and summer displays. This relatively unknown perennial plant offers a low-growing habit and clouds of white blooms, each with a striking central ‘pheasant’s eye’. Use Parahebe ‘Snow Cloud’ as floral groundcover around larger perennials, or grow it tumbling out of walls and rockeries. In containers, mix with other spring perennials or seasonal bedding plants and bulbs. Height: 15cm (6"). Spread: 35cm (14").
More info
    • 1 x parahebe jumbo plug plant

    • Despatch: By end of August 2016
    •  
    • £8.99
    • 2 x parahebe jumbo plug plants

    • Despatch: By end of August 2016
    •  
    • £14.99

Polyanthus 'Firecracker' (Garden Ready)

Primula

  • 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.


An eye-catching new Polyanthus bearing yellow blooms with a fiery orange-red edge. These long-lasting flowers are borne on strong, stout stems above rosettes of semi-evergreen foliage. Versatile and easy to grow, Polyanthus 'Firecracker' is perfect for edging borders and brightening up spring patio containers. Height and spread: 23cm (9").


Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

 

Garden ready special offer
More info
    • 30 polyanthus garden ready plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Primrose 'Husky Mixed' (Garden Ready)

Primula

  • 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.

A vibrant rainbow of primrose flowers that will brighten the gloomiest of winter days - even through cold, wet and snow! The delicately fragranced blooms of Primrose 'Husky Mixed' burst open in a frenzy of colour that will see you through until late spring. Once established in beds, borders and containers, these easy to grow perennials will virtually look after themselves. Height and spread: 20cm (8").


Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

 

Garden ready special offer
More info
    • 30 primrose garden ready plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Primrose 'Palazzo Collection'

Primula

  • The all new pom-pom primrose
Our lastest primrose introduction are already causing a big stir. To make ordering both 'Palazzo Wine' and 'Palazzo Pink' easier and more economical, we're now offering them as a duo collection. Treat yourself to some winter luxury. Both velvety shades are topped off with a rich silver-laced edge and sumptuous ruffled petals, making the perfect centrepiece plant for winter and spring containers, baskets and bedding displays. Height: 25cm (10in). Spread: 20cm (8in).,

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

More info
    • 6 primrose jumbo plug plants - 3 of each colour

    • Despatch: By end of October 2016
    •  
    • £14.99

Primrose 'Husky Mixed' (Pre-Planted Pot)

Primula

For hassle-free gardening, look no further than our pre-planted pots for easy seasonal colour. We're always on the lookout for ways to make life simpler for our gardening customers. So what could be easier than pots which are already planted up? We've taken the hard work out of creating wonderfully colourful displays - just order our pre-planted pots of your favourite varieties and position them where you'll most enjoy their colour. Then all you need to do is water them and wait!

A vibrant rainbow of primrose flowers that will brighten the gloomiest of winter days - even through cold, wet and snow! The delicately fragranced blooms of Primrose 'Husky Mixed' burst open in a frenzy of colour that will see you through until late spring. Once established in beds, borders and containers, these easy to grow perennials will virtually look after themselves. Height and spread: 20cm (8").


Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

 

Garden ready pre-planted pots
More info
    • 1 x primrose pre-planted pot with 6 plants

    • Despatch: By end of September 2016
    •  
    • £14.99

Polyanthus 'Most Scented Mixed' (Garden Ready)

Primula

  • 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.

We've sniffed all the polyanthus we could find to be able to make up this exclusive mix for you! Each fresh colour has a lovely, strong fragrance, to bring you a true scent of spring. From late winter, these vigorous perennials produce plenty of flowers on short, stocky stems, above neat rosettes of lush foliage. Fill all your pots and borders with Polyanthus 'Most Scented Mix' for a riot of scent and colour even on the dreariest winter days! Height and spread: 25cm (10").

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

 

Garden ready special offer
More info
    • 30 polyanthus garden ready plants

    • Despatch: By end of September 2016
    •  
    • £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 August 2016
    •  
    • £9.99
    • 10 delosperma jumbo plug plants

    • Despatch: By end of October 2016
    • SAVE £3  
    • £14.99 £11.99

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.
More info
    • 4 helianthemum jumbo plug plants - 1 of each variety

    • Despatch: By end of July 2016
    •  
    • £11.99
    • 8 helianthemum jumbo plug plants - 2 of each variety

    • Despatch: By end of July 2016
    •  
    • £15.99

Primrose 'Palazzo Wine'

Primula

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").,

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

More info
    • 3 primula jumbo plug plants

    • Despatch: By end of October 2016
    •  
    • £9.99
    • 6 primula jumbo plug plants

    • Despatch: By end of October 2016
    •  
    • £14.99

Primrose 'Palazzo Pink'

Primula

  • The all new pom-pom primrose
Treat yourself to some luxury at every day prices with our latest fancy primrose. We've selected 'Palazzo Pink' F1 for its sumptuous crested blooms and sheer flower power. The pink 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 'Palazzo Pink' really 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 (0in) Spread: 20cm (8in).,

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

More info
    • 3 primrose jumbo plug plants

    • Despatch: By end of October 2016
    •  
    • £9.99
    • 6 primrose jumbo plug plants

    • Despatch: By end of October 2016
    •  
    • £14.99

Primrose 'Autumn Colours Mixed' (Garden Ready)

Primula

  • 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.

Winter primroses so quick to flower, you'll get a show this autumn! This quick flowering colour collection offers the longest flowering window we've ever seen among primroses. Confuse the seasons in your garden with vibrant colour from as early as September, right through to spring. Primrose 'Autumn Colours Mixed' are perfect for long lasting patio containers, hanging baskets and border edging. Height: 25cm (10"). Spread: 20cm (8").,

Culinary note: Some parts of these flowers are edible. Try the sweet tasting petals on top of salads or even pancakes, crystallise them for use as cake decorations too. For more details about edible flowers click here.

 

Garden ready special offer
More info
    • 30 primrose garden ready plants

    • Despatch: By end of September 2016
    •  
    • £14.99