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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 654 products.
 

Lysimachia punctata (Large Plant)

Loosestrife

Bring some sunshine to your borders with this resilient cottage-garden favourite. Neat clumps of tall, elegant stems with striking yellow flowers are borne from mid-summer through until early autumn. Golden Lysimachia punctata is great for difficult clay soils and shadier parts of the garden, thriving in damp borders, bog gardens or at the margins of a pond. Grow dotted loosestrife in woodland gardens or informal areas for a burst of late summer colour! Height: 90cm (35"). Spread: 60cm (24").

 

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

    • Despatch: By end of September 2016
    •  
    • £9.99
    • 2 x 1 litre potted lysimachia plants

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

Penstemon 'Pensham Amelia Jayne' (Large Plant)

Phenomenal stamina and indifference to rain and drought means that Penstemon 'Amelia Jayne' will flower each year for an incredible five months. Mesmerising, red bells with satiny white throats are carried above semi evergreen foliage. These popular hardy perennials deserve prime spots in the garden or on the patio where they can really show off. Pensham penstemons also boast slug resistance and semi-evergreen foliage, giving an all round winning performance for many years. Height: 90cm (36"). Spread: 45cm (18").

 

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

    • Despatch: By end of August 2016
    •  
    • £9.99
    • 2 x 1 litre potted penstemon plants

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

Geranium pratense 'Laura'

Hardy Geranium, Meadow Cranesbill

Long lasting, weather resistant, double white flowers are produced from June onwards on upright, downy stems. The serrated leaves quickly create a mound of fresh green foliage that makes excellent groundcover for a cottage garden or perennial border. Unlike its single flowered relations, Geranium pratense 'Laura' does not self seed, making it easier to control. Height and spread: 60cm (24").
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    • 1 bare root geranium plant

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

Oxalis 'Sunny' (Large Plant)

Shamrock, Sorrel

The Burgundy Shamrock is versatile, and can be used in summer patio pots, bedding, borders, rockeries, or beneath trees and shrubs. Oxalis 'Sunny' is particuarly handsome, with leaves carrying in burgundy and ruby colourings.

The rich foliage is accompanied by tubular pink flowers from spring to summer. In very mild areas, Oxalis can be grown in sheltered borders or patio pots. The spring foliage looks especially pretty against spring bulbs. Height: 20cm (8"). Spread: 30cm (12").

 

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

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 2 litre potted oxalis plants

    • Despatch:
    •  
    • £16.99
    • Out of stock

Penstemon digitalis 'Husker Red' (Large Plant)

Beard Tongue

Sophisticated elegance, coupled with real staying power! These bushy, hardy perennials form neat semi evergreen clumps, with long summer displays of trumpet-like florets. Penstemon 'Husker Red' is distinctly different, with ruby-red foliage, and blush-white flowers.

Penstemon plants are known for being tough, reliable perennials, which will flower all summer long and into autumn. Penstemon 'Husker Red' also battles through rain and drought, and is remarkably slug resistant too. A classic cottage garden plant. Height and Spread: 50cm (20").

 

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

    • Despatch: By end of August 2016
    •  
    • £9.99
    • 2 x 1 litre potted penstemon plants

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

Gaillardia aristata 'Arizona Sun' (Large Plant)

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").

 

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

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 1 x 3 litre potted gaillardia plant

    • Despatch: By end of August 2016
    •  
    • £12.99
    • 2 x 1 litre potted gaillardia plants

    • Despatch:
    •  
    • £14.99
    • Out of stock
    • 2 x 3 litre potted gaillardia plants

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

Trifolium rubens (Large Plant)

Clover

This ornamental Clover forms attractive clumps of blue-green foliage that makes useful groundcover in the border. Magenta-red flowers open from fluffy looking, silvery buds throughout summer, providing a particularly long lasting display. Trifolium rubens is loved by bees and makes a worthy addition to wildlife gardens. The conical blooms provide an eye-catching display in borders, containers and rockeries. Height: 60cm (24"). Spread: 40cm (16").

 

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

    • Despatch: By end of August 2016
    •  
    • £9.99
    • 2 x 1 litre potted trifolium plants

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

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 August 2016
    •  
    • £14.99
    • 2 x 10.5cm potted gentiana plants

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

Dodecatheon meadia

  • Perfect for shade
  • Unusual 'cyclamen' blooms
  • Returns every spring

This early riser delights the spring garden with umbrellas of hanging reflexed flowers, just like cyclamen. The fresh white petals add a flash to shady spots, where the plants with thrive in the cool conditions. Deciduous foliage rosettes fade by midsummer, returning each spring before a flush of tall upright flower stems. This is the perfect spring perennial for anyone looking to lift shady areas of the garden. Height and Spread 45cm (18").

More info
    • 3 x 9cm potted dodecatheon plants

    • Despatch: By end of September 2016
    •  
    • £14.99
    • 6 x 9cm potted dodecatheon plants

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

Euphorbia amygdaloides 'Ruby Glow' (Large Plant)

Milkweed, Spurge

This handsome evergreen perennial produces vivid bright green flower bracts that seemingly glow above ruby-red foliage. As the foliage ages it becomes near black throughout the cold winter months before producing a new flush of vibrant red leaves in spring. Euphorbia amygdaloides 'Ruby Glow' has a neat compact habit producing rounded, well branched plants that look magnificent grown in large swathes. A colourful choice for moist borders. Although this Spurge will happily tolerate light shade, it is best grown in full sun for the strongest colour. Height and spread: 45cm (18").

 

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

    • Despatch: By end of August 2016
    •  
    • £9.99
    • 2 x 2 litre potted euphorbia plants

    • Despatch: By end of August 2016
    •  
    • £17.99

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").

 

4 for 3 on autumn planting bulbs
More info
    • 1 Iris rhizome

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

Primrose 'Romance'

Primula

Each ruffled bloom of Primrose 'Romance' is individually patterned and marbled for a unique appearance. This flamboyant little primrose will brighten even the dullest winter day with their exuberant frills and colours. Grow them in beds, borders and containers or cheer up a springtime windowbox. Once established 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.

More info
    • 24 primrose plug plants

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

    • Despatch: By end of September 2016
    • SAVE* £6.99  
    • £25.98 £18.99