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 17 products.
 

Sanguinaria canadensis f.multiplex

Bloodroot, Red Puccoon

Although rarely seen in the garden centres, Sanguinaria canadensis f.multiplex is a beautiful plant for a damp shady spot in the garden. Small white blooms that resemble tiny waterlilies emerge from between the blue-green leaves in spring. The elegant flowers are delicately scented with a light, spicy fragrance. Interestingly the rhizomes of this hardy perennial exude red sap when cut, giving the plant it’s common name of Bloodroot. Perfect for woodland gardens, shaded borders and rockeries. Height: 15cm (6"). Spread: 30cm (12"). More info
    • 1 bare root plant

    • Despatch: By end of March 2016
    •  
    • £19.99
    • 2 bare root plants

    • Despatch: By end of March 2016
    • SAVE £9.99  
    • £39.98 £29.99

Brunnera macrophylla 'Starry Eyes'

Siberian Bugloss

  • Brighten up shady areas with this super perennial
Sprays of exquisite starry white blooms with intense blue edges appear in spring, above heart shaped, green foliage. Brunnera macrophylla 'Starry Eyes' loves a moist, shady spot, but can cope well with drier conditions once established. This superb hardy perennial is resilient and quick growing, forming dense clumps that are perfect for creating useful ground cover in those tricky shady areas. Try planting this Siberian Bugloss among hardy ferns for a woodland feel or throughout the front of cottage garden borders Height: 35cm (14"). Spread: 60cm (24").
More info
    • 1 bare root plant

    • Despatch: By end of November 2015
    •  
    • £14.99
    • 3 bare root plants

    • Despatch: By end of June 2015
    •  
    • £24.99

Blechnum brasiliense 'Volcano'

Dwarf Brazilian Tree Fern, Hard Fern

  • New in 2015
Are Dicksonia tree ferns too large or expensive for you? We've found the answer - try the dwarf Brazilian tree fern instead! Blechnum brasiliensis 'Volcano' is an exciting new find for the home gardener, only recently introduced to the UK, but sure to be the next big thing! Compact plants lend themselves well to growing in patio pots; and throw up huge fronds up to 70cm (28") tall. The young fronds unfurl in a bronze volcanic hue turning a shiny green as they open. A relative of our native Deer Fern, this tender exotic fern thrives in low light, so it's perfect for giving a tropical touch to your home and garden. With tropical origins, Blechnum brasiliense requires a minimum temperature of 18C (64F) so it is best grown in a container in a heated conservatory and only moved outdoors during the warmest summer months. Height: 90cm (36"). Spread: 70cm (28").
More info
    • 1 x 9cm potted blechnum plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 9cm potted blechnum plants

    • Despatch: By end of September 2015
    •  
    • £19.99

Geranium himalayense 'Birch Double'

Geranium himalayense 'Plenum', Hardy Geranium, Cranesbill

Vigorous and versatile, this superb cranesbill tolerates almost any situation; even full shade. A mass of double purple-pink blooms stand above the delicately serrated foliage which turns to shades of burnt red and orange in autumn. Geranium himalayense 'Birch Double' will quickly blend with other herbaceous perennials to create colourful groundcover and looks equally attractive in herbaceous borders and shady woodland gardens. Height: 25cm (10?). Spread: 60cm (24?). More info
    • 1 bare root plant

    • Despatch: By end of November 2015
    •  
    • £12.99

Brunnera macrophylla 'Jack Frost' (Large Plant)

Siberian Bugloss

  • New in 2015

Grown for it’s large, heart shaped, silver leaves with a sparkling metallic sheen that will brighten the shadiest borders. In Spring, the neat clumps of foliage are complimented by delicate sprays of sky blue flowers. Brunnera macrophylla ‘Jack Frost’ is a resilient, quick growing hardy perennial, making useful ground cover in those tricky shady areas. Try planting this Siberian Bugloss among hardy ferns for a woodland feel or throughout the front of cottage garden borders. Height: 45cm (18"). Spread: 60cm (24").

More info
    • 1 x 3 litre potted brunnera plant

    • Despatch: By end of June 2015
    •  
    • £12.99
    • 2 x 3 litre potted brunnera plants

    • Despatch: By end of June 2015
    •  
    • £19.99

Astilbe x arendsii 'Look at Me'

False Goatsbeard

  • New in 2015
Turn any dark, damp corner of the garden into a focal point with this stunning Astilbe. The bubble-gum pink flower plumes and vivid ruby-red stems of Astilbe 'Look At me' virtually shout for your attention. This easy-grow perennial will thrive in soil too wet for many garden plants, but you don't have to tuck it out of site. This star perennial is also a top performer in patio pots when kept shaded and well watered. Voted Best New Plant when launched to the industry at the 2013 European Plantarium trade fair - we now have stock to meet consumer demand for this sought after perennial plant. Height: 45cm (18"). Spread: 50cm (20").
More info
    • 3 bare root astilbe plants

    • Despatch: By end of September 2015
    •  
    • £8.99
    • 6 bare root astilbe plants

    • Despatch: By end of September 2015
    •  
    • £14.99

Astilbe japonica 'Elisabeth van Veen' (Large Plant)

False Goatsbeard

Astilbe can be the perfect choice for damp, shady corners on soil that may be waterlogged from time to time. Plants are bushy and easy to maintain. ‘Elisabeth van Veen’ has beautiful, raspberry-purple plumes from early summer.

Astilbe can grow in sun as well as dappled shade, and make an excellent addition to mixed cottage garden borders, or can be grown as a patio plant for summer colour. Height: and Spread: 50cm (19").

More info
    • 1 x 3.5 litre potted astilbe plant

    • Despatch: By end of June 2015
    •  
    • £12.99
    • 2 x 3.5 litre potted astilbe plants

    • Despatch: By end of June 2015
    •  
    • £19.99

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").

More info
    • 1 x 1 litre potted astilbe plant

    • Despatch: By end of June 2015
    •  
    • £9.99
    • 2 x 1 litre potted astilbe plants

    • Despatch: By end of June 2015
    •  
    • £16.99

Astilbe japonica 'Washington' (Large Plant)

False Goatsbeard

Astilbe are long-lived perennials, which are excellent for moist, shady corners in sun or dappled shade. ‘Washington’ is a particularly choice Astilbe, with pure white plumes, which appear from early summer. Plants are very rabbit resistant, and attractive to a range of different butterflies.

Astilbe are an excellent plant for cottage garden borders, or can be grown in containers for summer colour. Ensure soil is moist at all times. Height: and Spread: 50cm (19").

More info
    • 1 x 1 litre potted astilbe plant

    • Despatch: By end of June 2015
    •  
    • £9.99
    • 1 x 3.5 litre potted astilbe plant

    • Despatch: By end of June 2015
    •  
    • £12.99
    • 2 x 1 litre potted astilbe plants

    • Despatch: By end of June 2015
    •  
    • £16.99
    • 2 x 3.5 litre potted astilbe plants

    • Despatch: By end of June 2015
    •  
    • £19.99

Brunnera macrophylla 'Sea Heart' (Large Plant)

Siberian Bugloss

A choice perennial for the plant connoisseur! Brunnera macrophylla 'Sea Heart' forms dense clumps of shimmering, silvery foliage with distinct grey-green veining. The metallic leaves of this variety are particularly thick, reducing the risk of scorch. Throughout Spring, this lovely Siberian Bugloss bears delicate sprays of pale blue and pink flowers, reminiscent of Forget-Me-Nots. A lovely low maintenance ground cover plant that makes a big impact in shaded woodland areas and cottage garden borders. Height: 30cm (12"). Spread: 60cm (24"). More info
    • 1 x 3 litre potted brunnera plant

    • Despatch: By end of June 2015
    •  
    • £12.99
    • 2 x 3 litre potted brunnera plants

    • Despatch: By end of June 2015
    •  
    • £20.99

Brunnera macrophylla 'Silver Heart' (Large Plant)

Siberian Bugloss

Silvery heart-shaped leaves form dense clumps of foliage with a beautiful moonlight shimmer. Brunnera macrophylla 'Silver Heart' bears delicate sprays of bright blue flowers in late spring that make a particularly eye-catching display. This choice variety has thicker leaves than many traditional cultivars making it less prone to scorch when grown in a sunny position. For decorative ground cover, Siberian Bugloss is hard to beat, particularly in those dull, shaded corners of the garden. Height: 30cm (12"). Spread: 60cm (24"). More info
    • 1 x 3 litre potted brunnera plant

    • Despatch: By end of June 2015
    •  
    • £12.99
    • 2 x 3 litre potted brunnera plants

    • Despatch: By end of June 2015
    •  
    • £20.99

Lamium maculatum 'Pink Pewter' (Large Plant)

Dead Nettle

Lamium maculatum 'Pink Pewter' is a tough and resilient hardy perennial, thriving in shade on almost any soil. This vigorous dead nettle will form a carpet of sparkling silver foliage with deep green margins. From April through to midsummer the clusters of salmon pink flowers provide a rich supply of nectar for pollinating insects. A first-class ground cover plant for a shaded spot - perfect for creeping through woodlands, wildlife gardens, rockeries or borders. Height: 10cm (8"). Spread: 60cm (24"). More info
    • 1 x 1 litre potted lamium plant

    • Despatch: By end of June 2015
    •  
    • £7.99
    • 2 x 1 litre potted lamium plants

    • Despatch: By end of June 2015
    •  
    • £12.99