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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 131 products.
 

Campanula 'Iridescent Bells'

Bellflower

Bellflowers can sometimes flower and fade all too quickly, but Campanula 'Iridescent Bells' really is quite different! This new, repeat-flowering variety will bring four months of colour to the garden from June through September - a constant mix of silky deep purple buds and mature blooms of silvery-white bells, flushed with palest purple. Don't miss the opportunity to be among the first to grow this unique perennial which will make a focal point in a container display or border planting. Height and spread: 60cm (24").
More info
    • 3 campanula jumbo plug plants

    • Despatch: By end of September 2016
    •  
    • £14.99
    • 6 campanula jumbo plug plants

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

Delphinium 'Magic Fountains Mixed' (Large Plant)

Majestic spires of white, lilac and blue delphinium flowers in a blend of no less than seven shades! This compact dwarf variety has all the presence of its taller cousins without the need for staking. The perfect solution for adding colour and structure to cottage garden perennial borders, even in windy areas. You can even cut some of their regal blooms for a striking flower arrangement indoors. Height: 90cm (36"). Spread: 45cm (18").

 

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

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

    • Despatch:
    •  
    • £14.99
    • Out of stock

Red Hot Poker 'Traffic Lights' (Large Plant)

Kniphofia uvaria, Torch Lily

The playful colours of this dwarf red-hot poker are sure to stop you on your tracks! Unusual red, amber and green torch-like flower spikes are carried on sturdy stems above evergreen strappy foliage. This tough and reliable perennial is perfect for low maintenance borders and makes an impressive cut flower too! Height and Spread: 45cm (18").

 

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

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

    • Despatch:
    •  
    • £14.99
    • Out of stock

Nepeta racemosa (Large Plant)

Catmint, Nepeta mussinii

With a low, spreading habit, Nepeta racemosa makes good ground cover, and is perfect for softening the edges of paths and borders. From June to September this attractive Catmint bears a profusion of violet-purple flower spikes that smother the mid-green leaves. Like all Nepeta, this hardy perennial is always busy with bees and has a peculiar effect on cats who adore its aromatic foliage. Height: 30cm (12"). Spread: 45cm (18").

 

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

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

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

Sidalcea 'Elsie Heugh' (Large Plant)

Sidalcea malviflora, Prairie Mallow

From early summer Sidalcea ‘Elsie Heugh’ bears upright flower spikes of satiny, purple-pink blooms with delicate scalloped edges. Sidalcea is a well behaved, upright perennial, forming neat mounds of rounded foliage. Prairie Mallow is ideal for filling gaps in perennial borders and makes a lovely cut flower too. This well known variety has been awarded a coveted RHS AGM for its excellent garden performance. Height: 90cm (36"). Spread: 45cm (18").

 

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

    • Despatch: By end of July 2016
    •  
    • £9.99
    • 2 x 1 litre potted sidalcea plants

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

Sidalcea hybrida 'Party Girl' (Large Plant)

Prairie Mallow

Upright flower spikes carrying rose-pink and white blooms make a colourful display in midsummer. Sidalcea hybrida 'Party Girl' is a showy variety of this classic cottage garden perennial, forming neat, clumps of rounded foliage. Prairie Mallows are superb for filling gaps in borders and make pleasing cut flowers for summer bouquets. Height: 90cm (36"). Spread: 45cm (18").

 

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

    • Despatch: By end of July 2016
    •  
    • £9.99
    • 2 x 1 litre potted sidalcea plants

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

Creeping Thyme (Large Plant)

Thymus serpyllum

One of the most useful kitchen herbs, this aromatic, evergreen creeping thyme will grow almost anywhere in containers, rock gardens, and even in cracks between paving. Ideal for creating low, carpets of groundcover that will attract bees to the tiny, pink blooms. Thyme is particularly useful in coastal areas where it copes well with winds and dry conditions. Height: 20cm (8"). Spread: 45cm (18").

 

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

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

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

Pennisetum 'Blackjack'

Fountain Grass

  • Add texture and movement to your garden
  • A real designer's plant

Ornamental grasses add an architectural element to planting schemes, while their airy foliage adds movement as it catches the breeze. Pennisetum 'Blackjack' went down a storm in our summer trial garden! The shimmering, deep purple stems go on to produce black feathery plumes throughout the summer. The fluffy seedheads can be cut to make elegant dried flowers or left on the plants to give garden birds a seasonal treat. Add these pennisetum plants to beds, borders and containers to get the designer's look in your garden this season. Height: 1.2m (4'). Spread: 45cm (18")
More info
    • 5 Postiplug plants

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 10 Postiplug plants

    • Despatch:
    • SAVE *£4.99  
    • £19.98 £14.99
    • Out of stock

Geranium 'GeRainbow™ Mixed'

Pelargonium, Ivy-leaved Geranium, Ivy-leaved Pelargonium

 Customer Rating
  • Best in class for trailing geraniums

The ever popular 'Super Balcons', are now available with brighter colours, bigger flowers, and even more vigour, for superb cascades of colour! These trailing ivy-leaf geraniums look incredible spilling from window boxes and hanging baskets. Low maintenance and incredibly long flowering, Geranium 'GeRainbow™ Mixed' is set to become the no. 1 trailing pelargonium. Trails to: 90cm (36"). Spread: 45cm (18").


Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.

To make the most of your displays, try our exclusive Tower Pot™, specially designed to enable plants to climb easily.

More info
    • 5 geranium jumbo plug plants

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 5 geranium jumbo plug plants + 1 tower pot pack

    • Despatch:
    • SAVE *£9.99  
    • £34.98 £24.99
    • Out of stock
    • 10 geranium jumbo plug plants

    • Despatch:
    • SAVE *£4.99  
    • £19.98 £14.99
    • Out of stock
    • 20 geranium jumbo plug plants

    • Despatch:
    • SAVE *£19.97  
    • £39.96 £19.99
    • Out of stock

Fuchsia 'Giants Collection' (Pre-Planted Basket)

For hassle-free gardening, look no further than our pre-planted baskets for easy summer-long colour. We're always on the look out for ways to make life simpler for our gardening customers. So what could be easier hanging baskets which are already planted up? We've taken the hard work out of creating wonderfully colourful displays - just order our pre-planted baskets of your favourite varieties and position them where you'll most enjoy their summer colour. Then all you need to do is water them and wait!

Turbo-charged trailing fuchsias, that are guaranteed to give a stunning display. Giant frilled flowers of up to 10cm (4") across are produced throughout summer. The enormous blooms will leave your baskets, window boxes, Flower Pouches™ and containers literally dripping in a carnival of colour. Height: 30cm (12"). Spread: 45cm (18").
Hanging basket diameter: 27cm (11in). 7.6 litres.
  • Collection comprises:
  • Fuchsia ‘Bella Rosella’ - Double blooms in shades of pink hang from cascading stems.
  • Fuchsia ‘Bicentennial’ - Flamboyant, frilly blooms in an unusual shade of orange.
  • Fuchsia 'Quasar' - Double mauve blooms with pure white sepals create a dramatic summer spectacle.
  • Fuchsia 'Seventh Heaven' - Bold flamingo pink flowers with contrasting pale pink sepals .
  • Fuchsia ‘Voodoo’ - Dark and mysterious double blooms, with fold upon fold of rich purple petals.

Useful links:

How to grow fuchsias


Culinary note: Add the beautiful coloured flowers to salads, crystallise them for a sweet garnish or add them to jellies for an extra splash of colour. For more details about edible flowers click here.

 

Garden ready pre-planted baskets
More info
    • 1 x fuchsia pre-planted basket

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

Fuchsia 'Eruption'

  • T&M Recommends

Try something really different for your hanging baskets and window boxes. An eruption of slender, fiery pink flowers pours dramatically from the trailing stems of this incredible cultivar. Inspired by the RHS fuchsia trials, Fuchsia 'Eruption' is unsurpassable for an unforgettable display! Height and spread: 45cm (18").


Useful links:

How to grow fuchsias


Culinary note: Add the beautiful coloured flowers to salads, crystallise them for a sweet garnish or add them to jellies for an extra splash of colour. For more details about edible flowers click here.


SPECIAL OFFER - To get your fuchsia plants at the reduced price, simply add your chosen pack size to your order and use order code TNS434Z in your shopping basket.

Please note that this offer is limited to one pack per order at this special price. This offer cannot be used in conjunction with any other offer or with promotional vouchers. Hurry, offer ends midnight Thursday 12th May or while stock lasts.

More info
    • 1 x 7cm potted fuchsia plant

    • Despatch:
    • £1.99 with order code TNS434Z  
    • £9.99
    • Out of stock
    • 3 x 7cm potted fuchsia plants

    • Despatch:
    • £2.99 with order code TNS434Z  
    • £16.99
    • Out of stock