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 10 products.
 

Cyclamen hederifolium (Large Plant)

Cyclamen neapolitanium, Ivy-leaved Cyclamen, Sowbread

A delightful little plant producing delicate pink flowers with reflexed petals in the autumn. Often emerging after the flowers, the heart-shaped deep green leaves are patterned with silver, creating a striking marbled effect. Cyclamen hederifolium is a superb ground-cover plant in rock gardens and woodland gardens where it will self-seed freely to create carpets of foliage and flowers from autumn to spring, before the foliage dies back in summer. Height: 10cm (4"). Spread: 15cm (6"). More info
    • 1 x 1 litre potted plant

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

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

Arabis caucasica 'Pixie Cream' (Large Plant)

Arabis alpina subsp. caucasica, Rock Cress

Arabis is an easy to grow evergreen alpine plant for rockeries, the front of borders, scree gardens or large troughs on the patio. Arabis is unfussy and ideal for beginners, and will flower quickly after planting.

Arabis is a spring flowering, cushion-like perennial, which is excellent for growing spring bulbs through. Arabis flowers consistently from March to April, giving a weed-suppressing display of creamy-white flowers. Bees find Arabis is an important source of sweet nectar too. Height: 10cm (4"). Spread: 25cm (10").

More info
    • 1 x 1 litre potted arabis plant

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

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

Perennial Ground Cover Collection

  • New in 2015

Our ground cover collection of hardy herbaceous perennials brings so many benefits, which all lead to one thing: low maintenance gardening. We've selected some of our best low-growing perennials to offer a range of planting solutions. Use them as front of border plants in large sunny borders or set them in dappled shade as underplanting to trees and shrubs. You can even try them in pots and use your new perennial containers alongside seasonal pots. Every plant in the mix offers a controlled spreading habit, helping to quickly fill borders, cover soils and prevent weeds taking hold. And less weeding leads to more time spent enjoying your garden!


  • Perennial Ground Cover Collection comprises:
  • Arabis 'Lotti Pink' - A spring flowering, cushion-like perennial.
  • Armeria 'Ballerina Mixed' - Dense cushions of bright green foliage produce spherical flower heads set atop sturdy upright stems.
  • Dianthus deltoides 'Red' - Neat clumps of silver green foliage that makes stunning ground cover.
  • Campanula 'Dwarf Blue' - Cushion-like plants, which are smothered in violet-blue flowers through the summer months.
  • Aubrieta 'Mixed' - These tough little plants will thrive in the poorest of soils, forming dense mats of evergreen foliage.
  • Erigeron 'Stallone' - This cheery clump forming perennial enjoys light sandy soils, making it ideal for coastal gardens.

Powerliner® plugs are well established, mature plugs which can be potted on or can be planted straight into the border or containers. Each plug module is 6.5cm in diameter.
More info
    • 6 Powerliner plug plants - 1 of each variety

    • Despatch: By end of September 2015
    •  
    • £8.99
    • 12 Powerliner plug plants - 2 of each variety

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

Hosta 'Carnival' (Large Plant)

Plantain Lily

Hosta ‘Carnival’ sports dark grey-green foliage with wide pale gold margins and a rugged, furrowed texture. From June to July, stems of pale lavender flowers rise above the foliage. In time, this attractive hardy perennial will form a large spreading clump that looks superb at the front of a shaded border. Unlike some variegated forms, Hosta ‘Carnival’ is also sun tolerant. Height: 45cm (18”). Spread: 100cm (39”). More info
    • 1 x 2 litre potted hosta plant

    • Despatch: By end of June 2015
    •  
    • £13.99
    • 2 x 2 litre potted hosta plants

    • Despatch: By end of June 2015
    •  
    • £21.99

Sedum 'Autumn Delight' (Large Plant)

Stonecrop

This showy cultivar has bright yellow-green foliage with attractive serrated blue margins, making it well worth growing for its leaves alone. In late summer Sedum ‘Autumn Delight’ lives up to its name, producing wide panicles of creamy white buds that open to reveal pale pink flowers. Like all Sedums, the blooms are loved by bees and butterflies making them a useful hardy perennial for wildlife gardens. Faded flower heads turn to bronze adding further interest well into autumn. A drought resistant and easy to grow perennial for a sunny border. Height and spread: 60cm (24"). More info
    • 1 x 1 litre potted sedum plant

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

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

Sedum 'Beach Party' (Large Plant)

Stonecrop

Clusters of rose pink, star-shaped blooms form wide landing pads for bees and butterflies that virtually cover the foliage in late summer. This dwarf cultivar is particularly compact making it well suited to alpine beds and rockeries, as well as the front of borders. Sedum ‘Beach Party’ forms an attractive low mound of yellow-green foliage with contrasting orange-red stems. This easy to grow perennial is drought resistant and requires very little maintenance. Height and spread: 20cm (8"). More info
    • 1 x 2 litre potted sedum plant

    • Despatch: By end of June 2015
    •  
    • £11.99
    • 2 x 2 litre potted sedum plants

    • Despatch: By end of June 2015
    •  
    • £18.99

Sedum 'Herbstfreude' (Large Plant)

Sedum spectabile 'Autumn Joy', Stonecrop

Sedum are a magnet for butterflies in the garden; and are reliable, hardy and always colourful! Sedum ‘Herbstfreude’ forms a clump, with drought tolerant, fleshy foliage, and pink autumn blooms.Sedum plants are most at home in hot, sunny borders, and require zero maintenance, so are ideal for beginners. Their autumn flowering period is useful for extending the season of interest in the garden. Height and Spread: 60cm (24"). More info
    • 1 x 1 litre potted sedum plant

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

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

Sedum 'Matrona' (Large Plant)

Sedum telephium, Stonecrop

Sedum will attract butterflies to the garden in their droves. Sedum plants are long-lasting, hardy and drought tolerant. Sedum ‘Matrona’ forms a clump of foliage, with a unique bronze tinge, contrasting beautifully with its pink autumn blooms. Sedum will thrive in hot, sunny borders, and are ideal for beginners. Their autumn flowering period is welcomed, bringing new colour to the garden as summer bedding displays fade away! Height: 75cm (30"). Spread: 30cm (12"). More info
    • 1 x 1 litre potted sedum plant

    • Despatch: By end of June 2015
    •  
    • £7.99
    • 1 x 2 litre potted sedum plant

    • Despatch: By end of June 2015
    •  
    • £11.99
    • 2 x 1 litre potted sedum plants

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

    • Despatch: By end of June 2015
    •  
    • £18.99

Sedum telephium 'Purple Emperor' (Large Plant)

Stonecrop

A particularly stylish Sedum with succulent burgundy-black foliage that adds a touch of drama to the front of borders. In late summer, Sedum telephium 'Purple Emperor' produces wide panicles of ruby-red flowers that persist well into autumn. The striking blooms are loved by butterflies and provide a useful source of late season nectar for pollinating insects. This superb hardy perennial holds an RHS AGM for its garden performance. An excellent choice for hot, sunny borders and exotic planting schemes. Height and spread: 45cm (18"). More info
    • 1 x 2 litre potted sedum plant

    • Despatch: By end of June 2015
    •  
    • £11.99
    • 2 x 2 litre potted sedum plants

    • Despatch: By end of June 2015
    •  
    • £18.99

Vinca 'Collection'

Periwinkle 'Collection'

Periwinkle is one of the toughest plants you’ll find, flowering relentlessly throughout the summer months in lovely shades of purple, pink and white. This vigorous low growing shrub thrives in virtually any garden position, from full sun to the darkest, shady corners. The clump forming stems provide evergreen dark green and variegated foliage that makes useful, weed suppressing ground cover. This colourful collection of Vinca major are perfect for filling those tricky areas of the garden where little else grows.
  • Collection comprises:
  • Vinca major ‘Variegata’ - Sky blue flowers set against variegated foliage. Height: 45cm (18"). Spread: 75cm (30").
  • Vinca minor ‘Atropurpurea’ - Deep plummy purple flowers. Height: 20cm (8") Spread: 50cm (19").
  • Vinca minor f. alba ‘Gertrude Jekyll’ - Profuse white flowers, carried on compact plants. Height: 20cm (8") Spread: 50cm (19").
More info
    • 6 vinca jumbo plug plants

    • Despatch: By end of July 2015
    •  
    • £11.99
    • 12 vinca jumbo plug plants

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