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 53 products.
 

Osteospermum 'Blue Eyed Beauty'

African Daisy, Cape Daisy

  • The most rewarding plant for the least effort

Buttery yellow blooms with a contrasting blue eye smother this stocky little African Daisy from June to September. This early flowering variety has a compact, branching habit that is perfect for filling beds and containers, or edging sunny borders. Like all Cape Daisies, Osteospermum 'Blue Eyed Beauty' thrives in hot and sunny conditions, performing beautifully, even in difficult dry soils. Height and spread: 40cm (16").

More info
    • 5 osteospermum Postiplug plants

    • Despatch: By end of June 2016
    • SAVE £3  
    • £9.99 £6.99
    • 10 osteospermum Postiplug plants

    • Despatch: By end of June 2016
    • SAVE £5  
    • £14.99 £9.99

Eryngium planum 'Blue Hobbit' (Large Plant)

Sea Holly, Blue Eryngo

Eryngium are handy little plants for the border, as they'll grow in many different types of soil, and the flower power of Eryngium 'Little Hobbit' is second to none!

Eryngium 'Blue Hobbit' is a unique, dwarf Eryngium, which can be grown in a patio pot. The 30cm (12") plants become top-heavy in midsummer, with sprays of nearly 100 inky-blue flowers. Height and Spread: 30cm (12").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted eryngium plant

    • Despatch: By end of June 2016
    •  
    • £9.99
    • 2 x 1 litre potted eryngium plants

    • Despatch: By end of June 2016
    • SAVE *£2.99  
    • £19.98 £16.99

Gentiana scabra 'Royal Stripes'

  • Unique striped blooms
You'll be familiar with blue flowering gentian plants and you've likely seen white flowered forms, but you'll be blown away by the blue and white striped flowers of Gentiana 'Royal Stripes'. This rare new variety really brings a wow factor to the genus. Look closer at the impressive blooms and you'll also see vibrant green freckling standing out on a white canvas. Whether you use these compact herbaceous perennial plants in patio pots, borders or rockery displays, the carpet of colour is sure to attract attention from friends and family as well as bees and other pollinators. In return of a little deadheading, flowers will just keep on coming from early June through to October. Ideal for dappled shade, try Gentiana 'Royal Stripes' under trees and shrubs for a vibrant lift to your beds and borders. Height and spread: 25cm (10")
More info
    • 1 x 10.5cm potted gentiana plant

    • Despatch: By end of June 2016
    •  
    • £14.99
    • 2 x 10.5cm potted gentiana plants

    • Despatch: By end of June 2016
    • SAVE *£4.99  
    • £29.98 £24.99

Lupin 'Russell Hybrids Mixed' (Large Plant)

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").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted lupin plant

    • Despatch: By end of July 2016
    •  
    • £9.99
    • 2 x 2 litre potted lupin plants

    • Despatch: By end of July 2016
    • SAVE *£2.99  
    • £19.98 £16.99

Freesia 'Premium Collection'

Fabulous double Freesia flowers packed with that unmistakeable fresh fragrance! Freesia 'Premium Collection' combines some of the largest flowered varieties in a rainbow of summery colours. Grow Freesias in patio containers, sheltered borders and greenhouses for a perfumed display that will really tantalize the senses. Their strong arching stems make them perfect for adding to home-grown bouquets too! Height: 35cm (14"). Spread: 15cm (6"). More info
    • 20 freesia corms

    • Despatch: By end of June 2016
    •  
    • £9.99
    • 40 freesia corms

    • Despatch: By end of June 2016
    • SAVE *£4.99  
    • £19.98 £14.99

Iris 'Orange Harvest' (Re-Blooming)

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 Iris rhizome

    • Despatch: By end of September 2016
    •  
    • £8.99

Lupin 'Noble Maiden' (Large Plant)

Lupinus

No cottage garden would be complete without the well loved Lupin, and this one is stunning in its simplicity. Tall spires of snow white blooms rise above clumps of palmate foliage in early summer. Lupin 'Noble Maiden' makes a particularly effective choice for brightening dappled shade in woodlands, where its pale flowers appear luminescent. Height: 90cm (36"). Spread: 75cm (30").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted lupinus plant

    • Despatch: By end of July 2016
    •  
    • £12.99
    • 2 x 2 litre potted lupinus plants

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

Shasta Daisy 'Real Dream' (Large Plant)

Leucanthemum × superbum, Chrysanthemum maximum, Shasta Daisy

A lovely dwarf cultivar, Shasta Daisy 'Real Dream' is delightfully compact. This well branched Leucanthemum produces pale yellow blooms from July to August that slowly fade to white as they age. Like all Shasta daisies, this variety is a magnet for pollinating insects and makes a valuable addition to wildlife gardens. This hardy perennial is ideal for growing in low drifts through the front of borders where its cheery blooms will always raise a smile. Height: 40cm (16"). Spread: 35cm (14").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted leucanthemum plant

    • Despatch: By end of July 2016
    •  
    • £7.99
    • 2 x 1 litre potted leucanthemum plants

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

Eryngium 'Neptune's Gold'

Sea Holly

The plant everyone's talking about! Eryingium 'Neptune's Gold' is the kind of breeding breakthrough that doesn't come along every day; a true colour break - the world's first golden Sea Holly! Selected in Wales from a batch of seedlings, this unique specimen still retains the iconic blue flower tones of Eryngium, but also takes on a stunning golden sheen - just like Neptune's crown! This superb perennial was Voted Best New Product at the recent Grower of the Year awards 2015. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 1 x 9cm potted eryngium plant

    • Despatch: By end of October 2016
    •  
    • £12.99
    • 2 x 9cm potted eryngium plants

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

Lupin 'The Governor' (Large Plant)

Lupinus

Add a modern twist to your traditional planting schemes with the bicolour purple and white blooms of Lupin 'The Governor'. This tough, robust perennial produces its splendid, tall flower spikes from early summer onwards; each spire packed with pretty pea-like flowers. This cottage garden favourite that is superb for adding architectural stature to borders and woodland planting schemes. Height: 90cm (35"). Spread: 60cm (24").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted lupin plant

    • Despatch: By end of July 2016
    •  
    • £9.99
    • 2 x 2 litre potted lupin plants

    • Despatch: By end of July 2016
    •  
    • £16.99

Lupin 'Chandelier' (Large Plant)

Lupinus

Tall spires of bright yellow flowers make an arresting sight in early summer. From the 'Band of Nobles' series, Lupin 'Chandelier' is a classic cottage garden plant forming clumps of attractive palmate foliage. Grow this hardy perennial towards the back of borders where its upright blooms will add structure to your planting schemes. Height: 90cm (36"). Spread: 75cm (29").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted lupinus plant

    • Despatch: By end of July 2016
    •  
    • £12.99
    • 2 x 2 litre potted lupinus plants

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

Rose Lily Grass

Rhodohypoxis

Dainty, jasmine-like flowers in two shades of pink erupt in profusion above short clumps of lance-shaped foliage in late spring, followed by flushes of flowers throughout the summer. Giving a long-lasting display throughout the summer months, these starry gems also have a delicate sweet fragrance. Each Rose Lily Grass plug plant contains more than one bulblet for prolific flowering in borders, rock gardens and containers. Although fully hardy, Rhodohypoxis will need protection from winter wet. Height and spread: 15cm (6"). More info
    • 1 Rose Lily Grass jumbo plug plant

    • Despatch: By end of June 2016
    •  
    • £14.99
    • 3 Rose Lily Grass jumbo plug plants

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