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 18 products.
 

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 May 2016
    •  
    • £13.99
    • 2 x 2 litre potted hosta plants

    • Despatch: By end of May 2016
    •  
    • £21.99

Aster ericoides 'Schneetanne' (Large Plant)

Crinitaria, Microglossa

Heath Aster is a pretty little plant, which is hugely attractive to butterflies, and perfect for the wildlife garden. The prostrate, semi-trailing habit of Aster ericoides 'Schneetanne' is great for ground cover on banks and in borders.

Asters are perfect for keeping the garden colourful and interesting, as they provide welcome autumn colour, when all the summer bedding has faded. Height: 50cm (19"). Spread: 1m (39").

More info
    • 1 x 1 litre potted aster plant

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

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

Centranthus ruber 'Albus' (Large Plant)

Valerian

If you're looking for a hardy perennial that can cope with poor soils, then Valerian is the plant for you. Centranthus ruber 'Albus' will thrive when growing from the base of walls or in coastal gardens, they are very drought resistant and flower almost non-stop through the summer.

The flowering performance of Valerian is incredible, with clusters of clean white blooms from spring through to autumn. Height and spread: 100cm (39").

More info
    • 1 x 1 litre potted centranthus plant

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

    • Despatch: By end of September 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 hosta plant

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

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

Perovskia 'Blue Spire' (Large Plant)

Russian Sage

Perovskia ‘Blue Spire' is an easy maintenance plant, which is particularly at home in a bright, sunny border. Plants of Russian Sage are drought resistant, and will establish quickly and easily, and are ideal for beginners and first time gardeners. They can also be grown in coastal areas quite successfully.

The foliage of Perovskia is silvery and aromatic, and plants will look fantastic when planted en masse. The blue flowers combine well, and are useful for colour later in the summer. Plants of Russian Sage are loved by bees and butterflies, and ‘Blue Spire' also holds an RHS Award of Garden Merit. Height: 120cm (48"). Spread: 1m (39").

More info
    • 1 x 3.5 litre potted perovskia plant

    • Despatch: By end of September 2015
    •  
    • £10.99
    • 2 x 3.5 litre potted perovskia plants

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

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 September 2015
    •  
    • £13.99
    • 2 x 2 litre potted hosta plants

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

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 May 2016
    •  
    • £9.99
    • 2 x 2 litre potted hosta plants

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

Pachysandra terminalis 'Green Carpet' (Large Plant)

Pachysandra terminalis ‘Green Carpet' is an excellent plant for creating a carpet of green beneath trees and shrubs. Plants are mat-forming, and excellent at stopping weeds from taking hold. The evergreen foliage is textured, decorative and plays host to spikes of misty white flowers from early summer.

Easy to grow ground cover for awkward, shady borders, Pachysandra is the perfect choice for low-maintenance gardening. Plants stay low at just 15cm (6") and are ideal for small, oddly-shaped areas, edgings or patio containers. Height: 15cm (6"). Spread: up to 1m (39").

More info
    • 1 x 9cm potted pachysandra plant

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 2 x 9cm potted pachysandra plants

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

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 September 2015
    •  
    • £13.99
    • 2 x 2 litre potted hosta plants

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

Hosta 'Wide Brim' (Large Plant)

Plantain Lily

A well known variety that holds an RHS AGM for its garden performance. Hosta 'Wide brim' has heavily puckered, variegated foliage with deep green centres and pale gold margins. Lilac blue, funnel shaped flowers appear on tall stems throughout July. This clump forming perennial has an attractive mounding habit that creates a dense, rounded plant over time. A popular choice for a shaded position. Height: 45cm (18"). Spread: 100cm (39"). More info
    • 1 x 2 litre potted hosta plant

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

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