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 24 products.
 

Alstroemeria 'Rock 'n' Roll'

Peruvian Lily

  • Flowers until November
Ten years of breeding by Australia's leading specialists have produced this unusual new Alstromeria with amazing variegated foliage. This fantastic Peruvian Lily grows just as well in sun as in shade, with no burning of the creamy foliage. Alstroemeria 'Rock 'n' Roll' is super hardy, withstanding temperatures down to -10°C (14F). Perfect for borders and patios where it will flower continuously throughout summer, producing beautiful stems that are ideal for cutting. Height: 75cm (30"). Spread: 60cm (24").
More info
    • 1 alstroemeria jumbo plug plant

    • Despatch: By end of August 2015
    •  
    • £14.99
    • 3 alstroemeria jumbo plug plants

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

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 August 2015
    •  
    • £11.99
    • 12 vinca jumbo plug plants

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

Hosta fortunei var. aureomarginata (Large Plant)

Plantain Lily

Hostas are very useful shade-loving plants, which can thrive in moist, damp, dark borders, or difficult, dry shady borders. Plants are quick-growing, clump-forming and the bold leaves are colourful, robust and weatherproof.

Hosta fortunei 'Aureomarginata' has ribbed leaves, in pure green and edged in golden-yellow. During the summer, purple, bell-shaped flowers appear on showy, 90cm (36") stems. Excellent ground cover for shady borders. Height: 55cm (22"). Spread: 100cm (39").

More info
    • 1 x 2 litre potted hosta plant

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 2 x 2 litre potted hosta plants

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

Hosta 'Fire and Ice' (Large Plant)

Plantain Lily

A spectacular Hosta with superb reverse variegation. Each leaf of Hosta 'Fire and Ice' has a pristine white centre with a deep green, wavy margin that creates a fabulous colour contrast. Lilac coloured blooms enhance the display throughout July. This striking variety holds an RHS AGM for its garden performance, and is particularly effective at brightening shaded borders. Height: 55cm (22"). Spread: 100cm (39"). More info
    • 1 x 2 litre potted hosta plant

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

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

Polemonium reptans 'Stairway to Heaven' (Large Plant)

Jacobs Ladder

An attractive cultivar of a cottage garden favourite. Clumps of delicate variegated foliage play host to stems of pretty light blue flowers in April and May. The cream edged leaves of Polemonium reptans 'Stairway to Heaven' are heat tolerant and develop a lovely pink tinge when grown in full sun. Jacobs Ladder is a versatile hardy perennial that needs little maintenance and makes a pleasing companion for Hostas in shadier positions. Height: 40cm (16"). Spread: 45cm (18"). More info
    • 1 x 1 litre potted polemonium plant

    • Despatch: By end of July 2015
    •  
    • £7.99
    • 1 x 3 litre potted polemonium plant

    • Despatch: By end of July 2015
    •  
    • £12.99
    • 2 x 1 litre potted polemonium plants

    • Despatch: By end of July 2015
    •  
    • £12.99
    • 2 x 3 litre potted polemonium plants

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

Iris pallida 'Variegata' (Large Plant)

Iris pallida 'Aurea Variegata', Bearded Iris

Iris pallida 'Variegata' gives interest all-year round and is truly spectacular. Even before the fragrant, lilac-blue flowers appear, your plants will be playing host to showy, cream-lined foliage. This is quite a collectable Iris, which is actually very easy to grow too!

Grow Iris pallida 'Variegata' in full sun for the very best and brightest leaf colours. These spectacular Bearded Iris plants are perfect for adding height and structure to the middle of borders, where it can really show off. An easy to grow perennial, which is ideal for beginners. Height: 120cm (48"). Spread: 40cm (16").

More info
    • 1 x 1 litre potted Iris plant

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

    • Despatch:
    •  
    • £16.99
    • Out of stock

Aubrieta 'Dr. Mules Variegata' (Large Plant)

Aubretia

Aubrieta is a useful ground cover, trailing plant, which flowers from late spring and into early summer. Plants are carpeting and can be used as a natural weed control in sunny borders, rockeries or on banks and awkward slopes.

Aubrieta 'Dr Mules Variegated' is a sought after variety with violet-blue flowers, set against evergreen cream-lined foliage, which gives all year round interest. Aubrieta is loved by bees and butterflies, and plants will grow in any well-drained soil and is especially useful for dry, sunny borders. Height: 10cm (4").Spread: 60cm (24").

More info
    • 1 x 1 litre potted aubretia plant

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

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

Euphorbia characias 'Glacier Blue' (Large Plant)

Milkweed, Spurge

Smokey blue-green foliage edged with contrasting cream margins makes a fabulous evergreen display. From early Spring, Euphorbia characias 'Glacier Blue' produces whorls of green flowers, each surrounded by a cream coloured bract. Like all of its species, this Spurge is drought tolerant once established, making it perfect for planting in hot, sunny borders and gravel gardens. Height and spread: 60cm (24"). More info
    • 1 x 2 litre potted euphorbia plant

    • Despatch: By end of July 2015
    •  
    • £10.99
    • 2 x 2 litre potted euphorbia plants

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

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: By end of September 2015
    •  
    • £9.99
    • 1 x 3.5 litre potted vinca minor plant

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

    • Despatch: By end of September 2015
    •  
    • £16.99
    • 2 x 3.5 litre potted vinca minor plants

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

Hosta 'Francee' (Large Plant)

Hosta fortunei, Plantain Lily

Hosta 'Francee' is a tough, weatherproof variety with foliage that is deeply ribbed and edged in jagged, cream margins. When protected from slugs, this vigorous hardy plant will quickly form clumps of foliage that can light up a shady spot.

In mid summer, this RHS Award of Garden Merit variety produces attractive flower spikes that stand above the foliage. Hostas are recommended for borders, woodland gardens and patio pots, thriving in shade. Height: 55cm (22"). Spread: 100cm (39").

More info
    • 1 x 2 litre potted hosta plant

    • Despatch: By end of July 2015
    •  
    • £9.99
    • 2 x 2 litre potted hosta plants

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

Ajuga reptans 'Party Colour' (Large Plant)

Bugle

Bugle is an easy to grow, evergreen carpeting plant, which can be grown in awkward, shady corners. Plants are entirely maintenance-free, and have pretty foliage and spikes of electric-blue flowers in summer.

Ajuga 'Party Colors' has distinctive, multi-coloured foliage, which gives all year round interest in the garden. Bugle plants are the perfect choice for shady corners of the garden, whether moist or dry, and the thick carpet of growth will help to stop weeds coming through. Height: 20cm (8"). Spread up to 50cm (20").

More info
    • 1 x 1 litre potted ajuga plant

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

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

Wallflower 'Variegatum' (Large Plant)

Erysimum linifolium, Cheiranthus

Perennial Wallflowers are essential for low-maintenance gardens, and they will flower twice a year, once during winter/spring, then again towards the end of the summer.

This variegated Wallflower produces the mauve, colour-changing flowers, set against evergreen cream-lined foliage. Grow Wallflower 'Variegatum' in borders, rockeries or mix with bedding plants for attractive, spring-flowering patio pots and windowboxes. Versatile and quite undemanding, this short-lived perennial is tough, will grow in the poorest of soils and is drought tolerant once established. Height and spread: 45cm (18").

More info
    • 1 x 1.5 litre potted wallflower plant

    • Despatch: By end of October 2015
    •  
    • £9.99
    • 2 x 1.5 litre potted wallflower plants

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