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 7 products.
 

Penstemon 'Ice Cream Collection'

Including three fantastic varieties, these popular hardy perennials deserve a prime spot in the garden. Eyecatching tubular flowers appear in summer above a flush of glossy, semi-evergreen foliage. The long-lasting blooms of Penstemon 'Ice Cream Collection' continue well into autumn, long after other plants have run out of steam. Undemanding and easy to grow, Penstemons tolerate almost any position in the garden, regardless of rain or drought, and even resist slug damage. What more could you ask of a plant? Height: 80cm (31"). Spread: 45cm (18").


  • Collection comprises:
  • Penstemon 'Blackberry' - Luxurious, rich purple, tubular blooms.
  • Penstemon 'Juicy Grape' - Wide trumpet shaped flowers in a fruity shade of purple.
  • Penstemon 'Strawberries & Cream' - White trumpet shaped flowers with delicately speckled pink throats.
More info
    • 9 penstemon Postiplug plants

    • Despatch: By end of September 2015
    • SAVE £12.98  
    • £27.97 £16.99

Penstemon 'Strawberries & Cream'

This popular hardy perennial deserves a prime spot in the garden. White trumpet shaped flowers with delicately speckled throats appear in summer above a flush of glossy, semi-evergreen foliage. The long-lasting blooms of Penstemon 'Strawberries and Cream' continue well into autumn, long after other plants have run out of steam. Undemanding and easy to grow, Penstemons tolerate almost any position in the garden, regardless of rain or drought, and even resist slug damage. What more could you ask of a plant? Height: 80cm (31"). Spread: 45cm (18").
More info
    • 3 penstemon Postiplug plants

    • Despatch: By end of September 2015
    •  
    • £9.99

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

Helenium 'Double Trouble' (Large Plant)

Helen's Flower, Sneezeweed

This modern variety is the first fully double Helen’s Flower! Its delightfully narrow, golden petals form a ruffled collar around a button-like centre. Helenium 'Double Trouble' is a tall, well branched form that makes a particularly good cut flower. Blooming from July to October, this hardy perennial brings fabulous late summer colour to cottage garden borders and wildlife areas, where it will attract plenty of pollinating insects. Height: 80cm (31"). Spread: 60cm (24"). More info
    • 1 x 1 litre potted helenium plant

    • Despatch: By end of September 2015
    •  
    • £7.99
    • 1 x 2 litre potted helenium plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 1 x 3 litre potted helenium plant

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 1 litre potted helenium plants

    • Despatch: By end of September 2015
    •  
    • £12.99
    • 2 x 3 litre potted helenium plants

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

Aquilegia vulgaris var. stellata 'Nora Barlow' (Large Plant)

Granny's Bonnet, Columbine

Aquilegia 'Nora Barlow' is a classic Columbine with the most gorgeous, pompom flowers. A showpiece for the cottage garden border and very easy to grow.

Aquilegia is a carefree perennial for mixed borders or large patio containers. They will grow successfully in sun or shade and are ideal for beginners to gardening. 'Nora Barlow' may look delicate, but it's actually tough, resilient and easy to grow. Height: 90cm (35"). Spread: 40cm (15").

More info
    • 1 x 1 litre potted aquilegia plant

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

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

Allium 'Globemaster' (Large Plant)

Ornamental Onion

Hundreds of starry lilac-purple blooms form the incredible flower heads of this RHS AGM variety. The magnificent, spherical blooms of Allium ‘Globemaster' are up to 15cm (6") across! Flowering only once in a season, the blooms are followed by skeletal seedheads for a spectacular autumn display. Undemanding and easy to grow, these purple alliums are guaranteed to add the ‘wow' factor to borders and cut flower arrangements. Height: 80cm (31"). Spread: 15cm (6"). More info
    • 1 x 3 litre potted allium plant

    • Despatch: By end of March 2016
    •  
    • £12.99
    • 2 x 3 litre potted allium plants

    • Despatch: By end of March 2016
    •  
    • £22.99

Achillea 'Terracotta' (Large Plant)

Yarrow

Achillea ‘Terracotta’ is tough and reliable on light sandy soils and even thrives in tricky coastal conditions. From June to August the aromatic, ferny foliage is topped with flat, terracotta flower heads that gently mature to a biscuit-yellow colour. A fabulous plant for prairie style borders when planted in large swathes among swaying grasses. This hardy perennial is ideal for planting in sunny cottage garden borders and wildlife gardens where it will attract pollinating insects to its nectar rich flowers. Yarrow also makes a lovely cut flower either fresh or dried. Height: 80cm (32"). Spread: 60cm (24"). More info
    • 1 x 1 litre potted achillea plant

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

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