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.


For beautiful summer flowers browse our range of annual plants.



We have found 8 products.
 

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 geranium plant

    • Despatch: By end of November 2015
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    • £12.99

Dicentra spectablis (Large Plant)

Lamprocapnos spectabilis, Bleeding Heart, Dutchman's Breeches, Lyre Flower

  • New in 2015
Charming rose-pink, heart shaped flowers dangle enticingly from elegant arching stems, giving this plant its common name of Bleeding Heart. This beautiful spring flowering perennial is one of the earliest to bloom each year, often continuing into early summer. The finely-cut foliage forms attractive clumps that increase year after year, at a slow but steady rate. This graceful hardy perennial enjoys a reliably moist soil, making it ideal for damp woodland areas as well as cottage garden borders. Dicentra spectabilis holds an RHS AGM for its superb garden performance and makes a worthy addition to any Spring garden. Height: 120cm (48"). Spread: 45cm (18").
More info
    • 1 x 1 litre potted dicentra plant

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

    • Despatch: By end of September 2015
    •  
    • £17.99

Vinca minor 'Illumination' (Large Plant)

Lesser Periwinkle

Vinca minor 'Illumination' is particularly striking, with gold-splashed foliage, paired with cobalt-blue flowers. This vigorous, carpeting shrub will thrive in virtually any garden position, from sun to deep shade. Its colourful foliage makes it especially useful for brightening dark corners.

Vinca minor is less vigorous than its larger cousin Vinca major, making it easier to confine to its allotted space. Periwinkle plants are easy to grow, flowering relentlessly from spring to autumn. A popular choice for landscaping and low-maintenance gardens. Height: 20cm (8") Spread: 50cm (19").

More info
    • 1 x 10.5cm potted vinca minor plant

    • Despatch:
    •  
    • £9.99
    • Out of stock
    • 1 x 3.5 litre potted vinca minor plant

    • Despatch: By end of September 2015
    •  
    • £14.99
    • 2 x 10.5cm potted vinca minor plants

    • Despatch:
    •  
    • £16.99
    • Out of stock
    • 2 x 3.5 litre potted vinca minor plants

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

Melittis 'Royal Velvet Distinction' (Large Plant)

Bastard Balm

Melittis 'Royal Velvet Distinction' is an easy to grow, hardy plant for those damp shady corners of the garden. The aromatic foliage is honey-scented and, along with the orchid-like pink and white flowers, attracts bees and butterflies to the garden. Melittis is very easy to establish, and makes robust ground cover for woodland gardens and shaded borders. Height: 70cm (28"). Spread: 50cm (20"). More info
    • 1 x 1 litre potted melittis plant

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

    • Despatch: By end of September 2015
    •  
    • £16.99
    • 2 x 2 litre potted melittis plants

    • Despatch:
    •  
    • £16.99
    • Out of stock

Hosta fortunei 'Albomarginata' (Large Plant)

Plantain Lily

Hosta are one of the best shade-loving plants, thriving in moist, damp, dark areas, but also coping well with dry shade. The bold, colourful foliage is robust and weatherproof. Plants are quick-growing, clump-forming and are maintenance-free.

Hosta fortunei ‘Albomarginata' has particularly eye-catching leaves, which are ribbed, puckered and in edged in creamy-white. During the height of summer, a surprise display of showy, sometimes fragrant, flowers. Height: 55cm (22"). Spread: 100cm (39").

More info
    • 1 x 2 litre potted hosta plant

    • Despatch: By end of May 2016
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    • £9.99
    • 2 x 2 litre potted hosta plants

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

Houttuynia cordata 'Chameleon' (Large Plant)

Houttuynia cordata 'Tricolor'

Houttuynia is a robust and versatile perennial. Plants are both moisture and drought tolerant, and will thrive in almost any position from sun to dappled shade.

The heart-shaped leaves of Houttuynia cordata 'Chameleon' are completely unique, with splashes of green, gold and red. When crushed, the foliage emits a pungent orange fragrance. Throughout mid-summer, the spreading stems are covered in pure white flowers. Houttuynia makes excellent ground cover through borders or around boggy pond margins. Height: 30cm (12"). Spread: 100cm (39").

More info
    • 1 x 3.5 litre potted houttuynia plant

    • Despatch:
    •  
    • £10.99
    • Out of stock
    • 2 x 3.5 litre potted houttuynia plants

    • Despatch:
    •  
    • £19.99
    • Out of stock

Rodgersia aesculifolia (Large Plant)

Chestnut-leaved rodgersia

A robust plant for growing in the edge of ponds, or for moist, waterlogged borders. Rodgersia plants are highly exotic-looking, and carry large leaves that look very similar to the foliage of the horse chestnut tree! Rodgersia aesculifolia is clump-forming, and the large leaves joined by spikes of pink-flushed blooms on 2 foot stems. A border full of Rodgersia, Hosta and Ferns is a joy to behold! Height: 2m (6.6') Spread: 1m (39"). More info
    • 1 x 1 litre potted rodgersia aesculifolia plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 2 x 1 litre potted rodgersia aesculifolia plants

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

Geranium himalayense (Large Plant)

Hardy Geranium, Cranesbill

Cranesbills are well known as superb ground cover plants, but this one is especially useful, tolerating shady spots particularly well. The lobed foliage forms a pretty backdrop to its purple-blue flowers, which are borne in a main flush during early summer, and then sporadically right through to autumn. As autumn approaches Geranium himalayense gives a final display of vibrant red foliage. This hardy perennial is a stalwart of cottage gardens and perfect for filling out gaps in the front of herbaceuous borders. Height: 45cm (18”). Spread: 60cm (24”). More info
    • 1 x 1 litre potted geranium plant

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

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