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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.


For beautiful summer flowers browse our range of annual plants.



We have found 23 products.
 

Lythrum salicaria 'Robin' (Large Plant)

Purple Loosestrife

Purple Loosestrife is an easy to grow, hardy perennial for moist borders in full sun. Lythrum salicaria ‘Robin’ can be extremely long-flowering, with upright flower spikes from late spring to late summer.

Lythrum plants are showy and robust, with magenta pink flowers and are excellent for cottage garden borders. They offer unrivalled summer colour. Height: 90cm (36"). Spread: 45cm (18").

 

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

    • Despatch: By end of February 2016
    •  
    • £9.99
    • 2 x 1 litre potted lythrum plants

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

Mimulus x cultorum 'Major Bees' (Large Plant)

Diplacus, Monkey Flower, Musk

Mimulus are low growing, bushy plants, which are easy to grow, producing many orchid-like flowers from early summer. They love a moist soil, and can cope with waterlogging and growing at the edge of ponds.

Monkey Flowers can be grown in borders or in patio containers, and will flower for longer in a shady corner. Mimulus ‘Major Bees’ is a distinctive cultivar with golden-yellow, spotted flowers. Height and spread: 50cm (20").

 

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

    • Despatch: By end of February 2016
    •  
    • £9.99
    • 2 x 1 litre potted mimulus plants

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

Pachysandra terminalis 'Green Carpet' (Large Plant)

Pachysandra terminalis ‘Green Carpet’ is an excellent plant for creating a carpet of green beneath trees and shrubs. Plants are mat-forming, and excellent at stopping weeds from taking hold. The evergreen foliage is textured, decorative and plays host to spikes of misty white flowers from early summer.

Easy to grow ground cover for awkward, shady borders, Pachysandra is the perfect choice for low-maintenance gardening. Plants stay low at just 15cm (6") and are ideal for small, oddly-shaped areas, edgings or patio containers. Height: 15cm (6"). Spread: up to 1m (39").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 9cm potted pachysandra plant

    • Despatch: By end of February 2016
    •  
    • £9.99
    • 2 x 9cm potted pachysandra plants

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

Astilbe japonica 'Montgomery' (Large Plant)

False Goatsbeard

Astilbe japonica 'Montgomery' has deep, scarlet-red plumes from early summer, set against bronze-green foliage. These hardy perennials grow well in sun or shade, and are ideal for cottage garden borders or patio pots. If you’re looking for a plant for a damp, shady corner that can cope with soil that may be waterlogged occasionally, then make Astilbe your choice. Astilbe plants are bushy and easy to maintain, and are rabbit resistant. Height: 70cm (28"). Spread: 45cm (18").

 

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

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 1 litre potted astilbe plants

    • Despatch:
    •  
    • £16.99
    • Out of stock

Arum Lily (Large Plant)

Zantedeschia aethiopica, Calla Lily

Grow the classic Arum Lily in your own garden; plants are suitable for moist borders or large patio pots. The architectural foliage is joined by unusual hooded flowers, which are up to 15cm (6") in length.

Zantedeschia can be grown at the edge of ponds, or in soil that is consistently moist. The Arum Lily will flower from early summer, and is a hardy perennial in most areas of the UK. Height: 90cm (36"). Spread: 60cm (24").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 3 litre potted arum lily plant

    • Despatch:
    •  
    • £11.99
    • Out of stock
    • 2 x 3 litre potted arum lily plants

    • Despatch:
    •  
    • £19.99
    • Out of stock

Lobelia x speciosa 'Fan Mixed' (Large Plant)

Lobelia x gerardii

Generally grown as a biennial, Lobelia x speciosa 'Fan Mixed' bears upright flower spikes of narrow-petalled flowers in shades of crimson, mauve and pink. Flowering from late summer into autumn, the blooms are perfectly complemented by the dark bronze-green foliage. This eye-catching Lobelia enjoys moist, even boggy conditions, making it a pleasing specimen for planting at a ponds edge or damp herbaceous borders. Height: 60cm (24"). Spread: 23cm (9").

 

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

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 1 litre potted lobelia plants

    • Despatch:
    •  
    • £14.99
    • Out of stock

Lobelia x speciosa 'Fan Scarlet' (Large Plant)

Lobelia x gerardii

A particularly handsome colour selection from the ‘Fan’ series. The narrow-petalled, scarlet flower spikes are borne on well branched plants from late summer into autumn. Dark bronze-green foliage contrasts perfectly with the vibrant blooms and provides a rather exotic feel. Generally grown as a biennial, Lobelia x speciosa 'Fan Scarlet' enjoys a moist, somewhat boggy soil and looks superb planted at the edge of ponds and streams. Height: 60cm (24"). Spread: 23cm (9").

 

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

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 1 litre potted lobelia plants

    • Despatch:
    •  
    • £14.99
    • Out of stock

Lychnis chalcedonica (Large Plant)

Maltese Cross, Jerusalem Cross

This stiff, upright perennial makes quite a show! Clusters of scarlet star-shaped flowers perch upon tall, stiff stems throughout midsummer, bringing height and vibrancy to the back of sunny borders. Lychnis chalcedonica enjoys a damp, boggy environment and makes a fine addition to bog gardens and the edge of ponds and streams. Commonly known as Maltese Cross, this hardy perennial also holds an RHS AGM. Height: 120cm (48"). Spread: 30cm (12").

 

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

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 2 x 1 litre potted lychnis plants

    • Despatch:
    •  
    • £14.99
    • Out of stock

Lychnis viscaria 'Splendens Plena' (Large Plant)

Campion, Catchfly

This low growing Lychnis makes a colourful addition to moist rockeries, bog gardens and waterside plantings. Panicles of magenta pink blooms rise upon sticky, branchless stems in early summer, above clumps of narrow, linear foliage. Lychnis viscaria 'Splendens Plena' is an attractive yet under-used hardy perennial which also holds an RHS AGM for its garden performance. Height: 120cm (48"). Spread: 30cm (12").

 

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

    • Despatch: By end of April 2016
    •  
    • £9.99
    • 2 x 1 litre potted lychnis plants

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

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 February 2016
    •  
    • £9.99
    • 2 x 1 litre potted lysimachia plants

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

Waldsteinia ternata (Large Plant)

Siberian Waldsteinia

A groundcover semi-evergreen perennial that forms a dense mat of shiny purple-green leaves that somewhat resemble those of a strawberry. Waldsteinia ternate are shade loving plants and from early spring until late summer, small yellow saucer-shaped flowers appear. Uses vary from covering large or small areas as these plants spread steadily but are not considered invasive. Once established, Waldsteinia become drought tolerant and, if a mild winter is forecast, may remain evergreen too. Height: 10cm (4"). Spread: 100cm (39").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 9cm potted waldsteinia plant

    • Despatch: By end of February 2016
    •  
    • £7.99
    • 2 x 9cm potted waldsteinia plants

    • Despatch: By end of February 2016
    •  
    • £11.99