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 28 products.
 

Verbena bonariensis 'Lollipop' (Large Plant)

Glandularia, Verbena patagonica

 Customer Rating
  • New in 2015

Like its parents, Verbena bonariensis 'Lollipop' boasts the same tight clusters of floating purple flowers, but has short, compact stems that reach only half the height. Well shaped, uniform plants with an open airy habit attract butterflies to their glowing blooms from June to September. This fabulous hardy dwarf verbena is perfectly proportioned for patio pots and the front of borders where it creates a wonderful delicate airy effect. Height and spread: 60cm (24").

More info
    • 1 x 1 litre potted verbena plant

    • Despatch: By end of August 2015
    •  
    • £7.99
    • 2 x 1 litre potted verbena plants

    • Despatch: By end of August 2015
    • SAVE £2.99  
    • £12.99

Verbena bonariensis

Glandularia, Verbena patagonica

Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. The long lasting blooms of Verbena bonariensis attract clouds of bees and butterflies. This perennial verbena has enjoyed a resurgence in popularity in recent years, associating beautifully with grasses for a tranquil planting scheme, or adding a touch of architectural style to the back of herbaceous borders. This elegant perennial is at its most effective when planted in large swathes. Height: 200cm (79"). Spread: 45cm (18").
More info
    • 6 verbena plug plants

    • Despatch: By end of August 2015
    •  
    • £5.99
    • 12 verbena plug plants

    • Despatch:
    •  
    • £7.99
    • Out of stock

Peony 'Eden's Perfume'

Paeonia, Herbaceous Peony

Said to be the most fragrant peony ever! Large pink, layered blooms with a powerful scent of roses, and layer upon layer of sublime, shell pink petals. Herbaceous peonies are a real feature of the border producing exotic, elegant blooms from early summer onwards which are superb for cutting. Peonies are hardy, long lived and cope well on heavier soils, provided that they are well drained. Height: 90cm (36"). Spread: 60cm (24"). More info
    • 1 bare root peony plant

    • Despatch: By end of November 2015
    •  
    • £14.99

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

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

Verbena bonariensis 'Lollipop'

Glandularia, Verbena patagonica

 Customer Rating
  • Unique mini Verbena for your patio
Like its parents, Verbena bonariensis 'Lollipop' boasts the same tight clusters of floating purple flowers, but has short, compact stems that reach only half the height. Well shaped, uniform plants with an open airy habit attract butterflies to their glowing blooms from June to September. This fabulous hardy dwarf verbena is perfectly proportioned for patio pots and the front of borders where it creates a wonderful delicate airy effect. Height and spread: 60cm (24").
More info
    • 3 verbena jumbo plug plants

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 6 verbena jumbo plug plants

    • Despatch: By end of September 2015
    •  
    • £14.99

Verbena bonariensis (Large Plant)

Glandularia, Verbena patagonica

Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. The long lasting blooms of Verbena bonariensis attract clouds of bees and butterflies. This perennial verbena has enjoyed a resurgence in popularity in recent years, associating beautifully with grasses for a tranquil planting scheme, or adding a touch of architectural style to the back of herbaceous borders. This elegant perennial is at its most effective when planted in large swathes. Height: 200cm (79"). Spread: 45cm (18"). More info
    • 1 x 2 litre potted verbena plant

    • Despatch: By end of August 2015
    •  
    • £12.99
    • 2 x 2 litre potted verbena plants

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

Peony 'Coral Sunset' (Large Plant)

Paeonia lactiflora, Herbaceous Peony

Herbaceous Peonies will last a lifetime in your garden; giving late spring displays of show-stopping, ruffled blooms each year for the minimum of effort! Plant them into the middle of herbaceous borders, where they will add structure and of course, rich colours.

Peony ‘Coral Sunset' is especially recommended for its bowl-shaped blooms, which open coral pink, changing slowly to apricot and soft yellow. Imagine all these colours on one plant at the same time! Flowering in May, border Peonies are the perfect companions for Tulips! ‘Coral Sunset' is a gold medal winner with the American Peony Society. Height: 80cm (31"). Spread: 55cm (21").

More info
    • 1 x 3.5 litre potted peony plant

    • Despatch: By end of November 2015
    •  
    • £14.99
    • 2 x 3.5 litre potted peony plants

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

Iris ensata 'Collection'

Japanese Iris, Iris kaempferi

Spectacular, exotic blooms are carried above narrow, strap-like foliage in summer. Iris ensata enjoy a reliably moist soil and positively thrive in bog gardens or at the margins of a pond or stream. The long stems of these low maintenance perennials also make them ideal for cutting for an eye-catching vase indoors. Height: 90cm (36"). Spread: 30cm (12"). More info
    • 4 bare root Iris plants

    • Despatch: By end of January 2016
    •  
    • £13.99
    • 8 bare root Iris plants

    • Despatch: By end of January 2016
    • SAVE £8.99  
    • £27.98 £18.99

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 August 2015
    •  
    • £9.99
    • 2 x 2 litre potted hosta plants

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

Cosmos atrosanguineus 'Spellbound' (Large Plant)

Bidens atrosanguinea, Chocolate Plant

A particularly striking Chocolate Cosmos with rich maroon daisy-like flowers and a seductive chocolate fragrance. Cosmos atrosanguineus 'Spellbound' is a choice half-hardy perennial for a sunny border, and well loved by pollinating insects. Plant it among other perennials to support its stems Ð it associates beautifully with hot fiery colours. Although perennial, the Chocolate plant is often grown as an annual in the UK, but can easily be over-wintered if grown in containers and kept in frost free conditions. Height and Spread: 60cm (24"). More info
    • 1 x 2 litre potted cosmos plant

    • Despatch: By end of August 2015
    •  
    • £12.99
    • 2 x 1 litre potted cosmos plants

    • Despatch:
    •  
    • £12.99
    • Out of stock
    • 2 x 2 litre potted cosmos 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 August 2015
    •  
    • £9.99
    • 2 x 2 litre potted hosta plants

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

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