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 14 products.
 
Rose Lily Grass

Rose Lily Grass

Rhodohypoxis
  • NEW in 2013
  • Flowers in just 6 weeks from planting
Quick and easy to grow, these new lily grass plug plants will certainly appeal to the impatient gardener! In just 6 weeks after planting, your plants will explode into colour and flower. Plants tend to flower prolifically as each plug contains more than 1 bulblet, therefore giving plants extra ‘flower power’. Lily grass is a littleknown plant that’s really well worth a try; it’s maintenance-free, long-flowering and resistant to all pests and diseases! More info
    • 1 jumbo plug

    • Despatch: By end of September 2013
    •  
    • £10.99
    • 3 jumbo plugs

    • Despatch: By end of September 2013
    • SAVE £16.98  
    • £32.97 £15.99
Iris 'Re-Blooming Collection'

Iris 'Re-Blooming Collection'

Bearded Iris

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 1 rhizome each of:
  • 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 November 2013
    • SAVE £28.96  
    • £44.95 £15.99
    • 10 rhizomes (1 of each variety)

    • Despatch: By end of September 2013
    • SAVE £69.91  
    • £89.90 £19.99
Iris 'Cantina' (Re-Blooming)

Iris 'Cantina' (Re-Blooming)

Bearded Iris

 The bold, violet blooms of Iris ‘Cantina’ are a magnificent sight in summer borders. With the first flowers appearing in late spring and continuing into summer, these really are outstanding hardy perennials. These majestic bearded iris flowers have a delicate scent and make impressive cut flowers for a vase indoors. Height: 90cm (36”). Spread: 40cm (16”). More info
    • 1 rhizome

    • Despatch: By end of November 2013
    •  
    • £8.99
Lupin Russell Mixed

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 July 2013
    •  
    • £9.99
    • 6 x 5cm potted plants

    • Despatch: By end of July 2013
    • SAVE £6.99  
    • £19.98 £12.99
Iris 'Orange Harvest' (Re-Blooming)

Iris 'Orange Harvest' (Re-Blooming)

Bearded Iris

 Vibrant orange blooms with a delicate fragrance make Iris ‘Orange Harvest’ a worthy addition summer borders. With the first flowers appearing in late spring and continuing into summer, these really are outstanding hardy perennials. These majestic bearded iris flowers also make impressive cut flowers for a vase indoors. Height: 90cm (36”). Spread: 40cm (16”). More info
    • 1 rhizome

    • Despatch: By end of November 2013
    •  
    • £8.99
Iris 'Victoria Falls' (Re-Blooming)

Iris 'Victoria Falls' (Re-Blooming)

Bearded Iris

 The soft blue blooms of Iris ‘Victoria Falls’ make a beautiful addition to summer borders. With the first flowers appearing in late spring and continuing into summer, these really are outstanding hardy perennials. These majestic bearded iris flowers have a delicate scent and make impressive cut flowers for a vase indoors. Height: 90cm (36”). Spread: 40cm (16”). More info
    • 1 rhizome

    • Despatch: By end of November 2013
    •  
    • £8.99
Ipomoea 'Fragrant Sky'

Morning Glory 'Fragrant Sky'

Ipomoea lindheimeri
  • NEW in 2013
A hardy perennial morning glory with a sweet fragrance too! Scrambling Ipomoea lindheimeri looks just like its annual cousins but you can look forward to it returning year after year. Morning Glory ‘Fragrant Sky’ produces beautiful lavender blue trumpet blooms against a backdrop of attractive lobed foliage that makes a lovely informal display. Perfect for growing over obelisks, adding height and structure to cottage garden borders. Height: 90cm (35"). Spread: 30cm (12"). More info
    • 1 x 10cm potted plant

    • Despatch: By end of July 2013
    • SAVE £4.00  
    • £9.99 £5.99
    • 2 x 10cm potted plant

    • Despatch: By end of July 2013
    • SAVE £10.99  
    • £19.98 £8.99
Iris 'Pass the Wine' (Re-Blooming)

Iris 'Pass the Wine' (Re-Blooming)

Bearded Iris

 Iris ‘Pass the Wine’ produces sumptuous burgundy blooms with a rich, velvety appearance. With the first flowers appearing in late spring and continuing into summer, these really are outstanding hardy perennials. These majestic bearded iris flowers also make impressive cut flowers for a vase indoors. Height: 90cm (36”). Spread: 40cm (16”). More info
    • 1 rhizome

    • Despatch: By end of November 2013
    •  
    • £8.99
Freesia Crown Jewels Mixed

Freesia 'Crown Jewels Mixed'

 Customer Rating
  • Mail order exclusive
  • Best in class for freesias
Thanks to new technology, we can now offer you high quality plants from seed instead of freesia bulbs. Freesia ‘Crown Jewels Mixed’ are double the size, double the colour, and double the fragrance of other varieties! From the world's leading, royal warranted freesia breeder, this pack will give more than £100 worth of cut freesia flowers! Plants are grown from seed; so they are strong, fresh plants, and they’ll flower in the same year from a late spring planting. These world exclusive freesias are only available from Thompson & Morgan. Height: 45cm (18”). Spread: 15cm (6”). More info
    • 36 plugs

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 72 plugs

    • Despatch:
    • Double up 36 to 72 for £5 extra  
    • £19.98 £14.99
    • Out of stock
Iris 'Buckwheat' (Re-Blooming)

Iris 'Buckwheat' (Re-Blooming)

Bearded Iris

 Elegant pale lemon blooms with deeper yellow falls and delicate brown veining make Iris ‘Buckwheat’ a lovely sight in summer borders. With the first flowers appearing in late spring and continuing into summer, these really are outstanding hardy perennials. These majestic bearded iris flowers have a delicate scent and make impressive cut flowers for a vase indoors. Height: 90cm (36”). Spread: 40cm (16”). More info
    • 1 rhizome

    • Despatch: By end of November 2013
    •  
    • £8.99
Salvia patens 'Cambridge Blue'

Salvia patens 'Cambridge Blue'

Gentian Sage
  • NEW in 2013
This popular and well-loved perennial bears stems of open-mouthed flowers in a pale shade of blue that is rarely seen in the plant world. The pretty blooms of Salvia patens ‘Cambridge Blue’ rise above clumps of slightly hairy, aromatic foliage. This RHS AGM variety makes a fabulous addition to cottage garden borders and containers, or incorporated into bedding schemes for an eye-catching summer display. Although perennial, this half hardy Salvia will appreciate some protection from winter weather. Height: 75cm (30"). Spread: 45cm (18"). More info
    • 24 plugs

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 48 plugs

    • Despatch:
    • Double up 24 to 48 for £5 extra  
    • £19.98 £14.99
    • Out of stock
Lavatera 'Bluebird'

Lavatera 'Bluebird'

Mallow
  • NEW in 2013
  • World exclusive
Lavatera 'Bluebird' is the result of 1000's of selections, resulting in the first true blue Mallow! Exotic saucer-shaped blooms crowd the stems of this well branched, hardy perennial to create a lovely informal display that’s perfect for patio containers and cottage garden borders. Once established this tough little mallow needs little maintenance and will even tolerate short periods of drought. Height and spread: 90cm (36"). More info
    • 1 jumbo plug

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 3 jumbo plugs

    • Despatch:
    • HALF PRICE  
    • £29.97 £14.99
    • Out of stock