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 12 products.
 

Dianthus 'Scents of Summer Collection'

Carnation

  • New in 2015
  • T&M Exclusive

We’ve hand selected a range of modern dianthus plants to offer bright colours, strong garden performance and multi-flowering stems, while retaining the vintage spicy fragrance of garden pinks. The extreme flower power of these hardy perennials means you’ll enjoy 100s of cut flower blooms through the summer, every year, with plenty left on the plants to keep them looking good in the garden.

Dianthus ‘Pink Peony’ is the pick of the bunch with its crested magenta blooms looking just like miniature peony flowers. Which colour in the mix will be your favourite? Height and spread: 20cm (12").

More info
    • 5 Postiplug plants

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

    • Despatch:
    •  
    • £14.99
    • Out of stock
    • 20 Postiplug plants

    • Despatch: By end of June 2015
    •  
    • £24.99

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 jumbo plug plants - 1 of each variety

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

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

Gaillardia 'Snappy'

Blanket Flower

  • New in 2015
  • Finally, a gaillardia that lasts for years in the garden
Finally, a long-lasting gaillardia for years of pleasure in the garden. Blanket Flowers have a reputation for being unreliably perennial but new Gaillardia ‘Snappy’ makes that a thing of the past. We can now offer you unrivalled flower power alongside true perennial reliability for years of vibrant border and container colour. This world-class introduction offers non-stop flowering on sturdy, compact, upright plants from mid-summer through to late autumn. The red and yellow blooms also take on a purple sheen in the summer sunshine and will be much loved by bees, butterflies and other pollinators. Height and spread: 30cm (12").
More info
    • 5 Postiplug plants

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

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

Gaillardia 'Arizona Sun'

Blanket Flower

A blaze of summertime colour that thrives, whatever the weather! The glorious daisy flowers of Gaillardia 'Arizona Sun' produce a constant display of large flower heads in fiery shades of orange, yellow and red. The cheery blooms persist well into autumn, and make spectacular cut flowers for an indoor display. This low maintenance, hardy perennial is trouble-free and even copes well on poor, dry soils. Perfect for containers or filling gaps at the front of sunny borders. Height: 30cm (12"). Spread: 45cm (18").
More info
    • 6 plug plants

    • Despatch:
    •  
    • £5.99
    • Out of stock
    • 24 plug plants

    • Despatch: By end of June 2015
    •  
    • £12.99
    • 48 plug plants

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

Gaillardia 'Arizona Sun' (Garden Ready)

Blanket Flower

You can plant our garden-ready plants straight into the garden when they arrive - it couldn’t be easier! There’s no need to re-pot them or to grow them on - just plant and water them. Pretty soon you’ll be enjoying their wonderful displays of colour. If you haven’t got the time or the room to grow plants from small seedlings, then these are for you! You’re sure to get great results because we’ve done the crucial early growing for you. Just plant, water and enjoy!

A blaze of summertime colour that thrives, whatever the weather! The glorious daisy flowers of Gaillardia 'Arizona Sun' produce a constant display of large flower heads in fiery shades of orange, yellow and red. The cheery blooms persist well into autumn, and make spectacular cut flowers for an indoor display. This low maintenance, hardy perennial is trouble-free and even copes well on poor, dry soils. Perfect for containers or filling gaps at the front of sunny borders. Height: 30cm (12"). Spread: 45cm (18").

 

More info
    • 30 gaillardia garden-ready plants

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

Helianthemum 'Peachy Keen'

Rock Rose, Sun Rose

  • New in 2015
  • T&M Exclusive

These alpine species are particularly hardy, versatile and trouble-free and give glorious colour from spring to midsummer. They'll also reward you with a second flush of blooms in late summer! New peach bloomed variety 'Peachy Keen' has an overwhelming amount of petals, further boosting the effect in your garden! Evergreen/semi-evergreen.

More info
    • 5 jumbo plug plants

    • Despatch: By end of May 2015
    •  
    • £14.99
    • 10 jumbo plug plants

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

Erigeron glaucus 'Sea Breeze' (Large Plant)

Fleabane

A low-growing, carpeting plant for coastal locations, or any difficult, exposed position in the garden. The lilac blooms come easily, and the Beach Aster or Fleabane as it is commonly known, looks great tumbling over a rock wall, or growing between cracks in paving.

Erigeron plants are tough and easy to establish, some may even refer to them as ‘foolproof’. The Beach Aster is long-lived too, will flower right through the summer, and self-seed if you’d like it to! Height: 30cm (12"). Spread: 45cm (18").

More info
    • 1 x 1 litre potted plant

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

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

Gaillardia x grandiflora 'Kobold' (Large Plant)

Blanket Flower, Gaillardia aristata 'Goblin'

An exceptionally long flowering hardy perennial, with flowers from June to September. Gaillardia is a plant that really stands out in the border too! When at their peak of flowering, these plants will be covered in flowers, so much so that you won’t see the foliage!

Gaillardia are at their happiest in poor, sandy or stony soils, which is excellent for garden problem areas, and will survive periods of drought. Blanket Flower plants are hardy, and will come back year after year, and are ideal for beginners.Height: 30cm (12"). Spread: 45cm (18").

More info
    • 1 x 1 litre potted plant

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

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

Armeria maritima 'Alba' (Large Plant)

Sea Pink, Thrift

The ideal plant for coastal gardens and seaside locations. Sea Thrift is robust, clump-forming, evergreen plant with grassy foliage and lollipop-like flowers in pure white.

A reliable perennial which is recommended for beginners. An easy plant to establish in the garden, giving summer colour from May to August. Height: 25cm (10"). Spread: 50cm (19").

More info
    • 1 x 1 litre potted armeria plant

    • Despatch: By end of May 2015
    •  
    • £9.99
    • 2 x 1 litre potted armeria plants

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

Gaillardia 'Arizona Apricot'

Blanket Flower

 Customer Rating
A spectacular dwarf Blanket Flower with a long-flowering period and superb garden performance. The golden blooms blushed with apricot sit neatly above uniform, well-branched plants throughout summer and well into autumn. Gaillardia x grandiflora 'Arizona Apricot' is undemanding, providing fabulous colour whatever the weather. Perfect for containers or filling gaps in the front of borders. Height: 30cm (12”). Spread: 45cm (18”).
More info
    • 6 plug plants

    • Despatch:
    •  
    • £5.99
    • Out of stock
    • 12 plug plants

    • Despatch:
    •  
    • £8.99
    • Out of stock

Dianthus deltoides 'Arctic Fire'

Carnation, Maiden Pink

  • Ground cover pinks

Long lasting, white jagged-edged petals with a fiery red eye smother this dwarf hardy perennial throughout summer. Dianthus deltoides 'Arctic Fire' forms neat clumps of silver green foliage that makes stunning ground cover and looks superb as a path edging or dotted throughout rockeries. Height: 20cm (8"). Spread: 30cm (12").


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

More info
    • 36 plug plants

    • Despatch:
    •  
    • £11.99
    • Out of stock
    • 72 plug plants

    • Despatch:
    • Double up 36 to 72 for £5 extra  
    • £23.98 £16.99
    • Out of stock

Dianthus 'Blackjack'

Carnation

  • New in 2015

New modern cut-flower quality carnation plants packing the heavenly scent of antique varieties! Modern breeding work has seen the unmistakable scent of carnations all but disappear in the search for longer, cut flower-quality stems. Fortunately Carnation ‘Blackjack’ bucks that trend. Not only does it offer a unique colour combination, the near black blooms also bring punchy clove-like fragrance to the garden. A perfect border carnation, it also performs well in containers. Originally planned for the commercial cut flower market, you won’t be disappointed by the endless supply of fresh stems either! Keep the colour and scent in the garden or use Dianthus ‘Blackjack’ as your very own cut flower carnation. Height and spread: 50cm (20").

More info
    • 5 pencil plug plants

    • Despatch:
    •  
    • £12.99
    • Out of stock
    • 10 pencil plug plants

    • Despatch:
    •  
    • £17.99
    • Out of stock