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 12 products.
 

Oenothera fruticosa 'African Sun' (Large Plant)

Oenothera linearis, Evening Primrose, Sundrops

The golden flowers of Evening Primrose are eye-catching and long-lasting. Oenothera is a reliable, tough, hardy perennial which will grow almost anywhere, even thriving on neglect.

Oenothera ‘African Sun’ is a special plant, with a rounded, compact habit. These mounded plants are excellent in borders, summer patio containers or bedding schemes. The golden blooms are also open all through the day, unlike other Evening Primrose strains. Height: 90cm (36"). Spread: 30cm (12").

More info
    • 1 x 1 litre potted plant

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

    • Despatch:
    •  
    • £16.99
    • Out of stock

Helenium 'Moerheim Beauty' (Large Plant)

Helen's Flower, Sneezeweed

Don’t get caught out with a colour-less, late summer garden - Helenium actually flower much later in the summer, so are excellent for extending the season of colour! Helenium ‘Moerheim Beauty’ is a choice variety, with copper-red flowers.

This hardy perennial is loved by bees and butterflies, and is the proud holder of an RHS Award of Garden Merit, so comes highly recommended as a reliable garden plant. Sneezeweed is tall, and is great for filling gaps in borders and adding height. It looks particularly good with grasses. Height: 90cm (36"). Spread: 60cm (24").

More info
    • 1 x 3 litre potted plant

    • Despatch: By end of June 2015
    •  
    • £9.99
    • 2 x 3 litre potted plants

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

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 plant

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

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

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 plant

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

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

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 plant

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

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

Achillea filipendulina 'Coronation Gold' (Large Plant)

Yarrow

One of the very best herbaceous perennials for a mixed border, Achillea is easy to grow and a low maintenance plant. ‘Coronation Gold’ is a popular variety, which has flat heads of golden-yellow flowers over a long summer period.

Achillea loves a hot, sunny border and will add colour to your summer garden for a minimum of effort. The flower heads are incredibly eye-catching and plants are quick to establish, filling a gap in the border. Height: 1m (39"). Spread: 50cm (20").

More info
    • 1 x 1 litre potted achillea plant

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

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

Liatris spicata (Large Plant)

Liatris callilepis, Gayfeather

A showy, yet easy to grow plant, Liatris spicata offers plumes of mauve florets, which make a colourful display in late summer. Plants are excellent for attracting clouds of bees and butterflies to the nectar rich flowers.

Gayfeather as it is commonly known, is a resilient and undemanding perennial for almost any part of the garden. The blooms also make a bold cut flower for vases indoors. Height: 150cm (60"). Spread: 45cm (18").

More info
    • 1 x 2 litre potted plant

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

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

Hosta 'Fragrant Blue' (Large Plant)

Plantain Lily

This is a particularly eye-catching variety with chalky-blue foliage that retains its colour throughout the season. From July to August, the delicately scented, mauve pink flowers offer the perfect complement to the heart shaped foliage. In moist soils, this low growing hardy perennial forms dense ground cover. Hosta 'Fragrant Blue' is perfect for the front of borders, woodland planting schemes, or in the damp soil at the edge of ponds. Height: 50cm (20"). 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

Hosta 'So Sweet' (Large Plant)

Plantain Lily

A compact variegated variety forming neat clumps of glossy mid-green foliage with pale yellow margins. From July to August, the funnel shaped blooms appear on short stems above the foliage. As the name suggests, the lilac-white flowers of Hosta ‘So Sweet’ are deeply fragrant. A lovely choice for a prominent spot at the front of moist borders. Unlike some variegated forms, Hosta ‘So Sweet’ will tolerate some sun. Height: 35cm (14"). Spread: 55cm (22"). 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

Hosta 'Sum and Substance' (Large Plant)

Plantain Lily

This well loved Hosta produces large, heart shaped yellow foliage up to 50cm (20") long. The enormous leaves become gently puckered with age creating a lightly ribbed texture. Throughout July and August, Hosta ‘Sum and Substance’ bears tall stems of bells shaped, pale lilac flowers. Awarded an RHS AGM, this eye-catching hardy perennial is deservedly popular. Perfect for a damp shaded corner where it will make an impressive specimen plant. Height: 75cm (30"). Spread: 120cm (48"). 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

Salvia 'Amistad' (Large Plant)

Sage

Salvia ‘Amistad’ is an exceptionally beautiful new variety. Exquisite rich purple flowers are carried on tall, near-black stems above a mound of lush green foliage. With regular deadheading, this magnificent hardy perennial can bloom almost continuously from May right through to October, attracting a host of bees and butterflies throughout the season. Ornamental Sage has long been a stalwart of cottage garden borders, and this one is no exception. Perfect for exotic planting schemes and wildlife gardens too. Height: 120cm (48"). Spread: 50cm (20"). More info
    • 1 x 1 litre potted salvia plant

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

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

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

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

Scabious 'Vivid Violet' (Large Plant)

Scabiosa

A relatively low growing variety with mauve-purple pincushion flowers carried above finely cut foliage. Scabious ‘Vivid Violet’ is more mildew resistant than many cultivars, and particularly free flowering from July to September. Like all Scabious, the blooms are a magnet for bees and butterflies and make useful cut flowers too. Its low, mounding habit makes this hardy perennial a welcome addition to rockeries and the front of sunny borders. Height: 35cm (14"). Spread: 45cm (18"). More info
    • 1 x 3 litre potted scabiosa plant

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

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