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

    • Despatch: By end of June 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

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 June 2016
    •  
    • £9.99
    • 10 delosperma jumbo plug plants

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

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

    • Despatch: By end of September 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

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 'Belarina Doubles Collection'

Primula

Say 'goodbye' to the winter blues with these little beauties! Primrose 'Belarina Doubles Collection' will cheer up your garden from spring through to early summer with their vibrant colour, delicate fragrance and evergreen rosettes of foliage. With exceptional hardiness, down to -25C (13F), these incredible perennials will come back year after year, no matter how cold the winter is! Like miniature roses, these double-flowered primroses look fabulous wherever you plant them, in pots, containers, beds or baskets, in sun or semi shade - and unlike other primroses they won't need dead-heading! In this collection you will receive the following varieties: 'Nectarine', 'Amethyst Ice' and 'Pink Ice' Height: 15cm (6"). 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 primrose jumbo plug plants

    • Despatch: By end of August 2016
    •  
    • £12.99
    • 6 primrose jumbo plug plants

    • Despatch: By end of August 2016
    • SAVE *£8.99  
    • £25.98 £16.99
    • 9 primrose jumbo plug plants

    • Despatch: By end of August 2016
    • SAVE *£18.98  
    • £38.97 £19.99

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 June 2016
    •  
    • £13.99
    • 10 Delosperma jumbo plug plants

    • Despatch: By end of June 2016
    •  
    • £19.99

Polyanthus 'Firecracker' (Pre-Planted Pot)

Primula

For hassle-free gardening, look no further than our pre-planted pots for easy summer-long colour. We’re always on the look out 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 summer colour. Then all you need to do is water them and wait!

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.

More info
    • 1 x polyanthus pre-planted pot with 6 plants

    • Despatch: By end of September 2016
    • Buy any 2 packs for just £25  
    • £17.99

Polyanthus 'Firecracker'

Primula

 Customer Rating
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.

More info
    • 12 polyanthus plug plants

    • Despatch: By end of August 2016
    •  
    • £9.99 £7.99
    • 24 polyanthus plug plants

    • Despatch: By end of August 2016
    •  
    • £9.99
    • 48 polyanthus plug plants

    • Despatch: By end of August 2016
    •  
    • £12.99

Primrose 'Planets Mixed'

Primula

  • Distinctive new colours
Freshen up tired spring borders with these exciting new Primulas! Each shapely flower of Primrose 'Planets Mixed' has a contrasting inner ring of colour that makes them really stand out from crowd. This unique feature has never been seen before in Primroses - so it's sure to attract attention. Grow them along path edges or in prominent patio containers where they can really be appreciated. 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.

More info
    • 12 primrose plug plants

    • Despatch: By end of September 2016
    •  
    • £8.99
    • 24 primrose plug plants

    • Despatch: By end of September 2016
    •  
    • £12.99
    • 48 primrose plug plants

    • Despatch: By end of September 2016
    •  
    • £18.99