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, perennials live for 2 or more years and flower every year. Biennial plants 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 5 products.
 
Wildflower Collection

Wildflower Collection

  • NEW in 2013
  • Help boost bee and butterfly numbers
  • Easy to grow

Establishing your own wildflower meadow couldn’t be easier with this diverse collection of wildflower plug plants. A wildflower patch in your garden makes a lovely informal display that needs little maintenance. You'll be amazed at the beneficial insects and birds they attract, many of which will act as pollinators and natural pest control for your garden! Try sprinkling some wildflower seed between these plug plants - they will all knit nicely together. The perennial varieties will come back year after year whilst the annuals will happily self seed and reappear in a new position each year. Height: 150cm (59"). Spread: 50cm (20").


  • Collection comprises:
  • Foxglove (Digitalis) - A perennial cottage garden favourite for its tall spires of bell shaped flowers.
  • Self-Heal (Prunella) - This low growing perennial makes superb ground cover.
  • Lady's Bedstraw (Galium) - Slender stems of frothy yellow blooms make this perennial wildflower particularly eye catching.
  • Ox-eye Daisy (Leucanthemum) - These cheery perennial daisies make a fabulous summer display.
  • Cornflower (Centaurea) - A well loved annual with stunning bright blue flowers.
  • Ragged Robin (Lychnis) - The tall stems of this perennial bear pretty pink blooms with a ragged appearance - hence the name!
  • Field Scabious (Knautia) - A lovely perennial with intricate pincushion flowers.
  • Common Knapweed (Centaurea) - A tall perennial thistle with cerise pink blooms followed by fluffy seed heads.
  • Meadow Buttercup (Ranunculus) - The golden cup shaped blooms make this perennial it instantly recognisable.
  • Teasel (Dipsacus) - A well known perennial for its prickly autumn seedheads.
 More info
    • 10 Postiplugs - 1 of each variety

    • Despatch: By end of April 2014
    • SAVE £16.98  
    • £29.97 £12.99
    • 20 Postiplugs - 2 of each variety

    • Despatch: By end of April 2014
    • + FREE packet of Wildflower Seed  
    • £59.94 £17.99
Dianthus barbatus 'Summer Sundae'

Dianthus barbatus 'Summer Sundae'

Sweet William
  • NEW in 2013
Sweet Williams are a cottage garden favourite for their fabulous clove-like scent and long lasting blooms. Dianthus barbatus ‘Summer Sundae’ is no exception! This superb colour range includes solid colours and bicolours in fruity shades of red, pink and white that make superb cut flowers. Often grown as a biennial, this short lived perennial is ideal for borders, beds and containers. Height: 45cm (18"). Spread: 30cm (12").

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

 More info
    • 36 plugs

    • Despatch: By end of March 2014
    •  
    • £9.99
    • 72 plugs

    • Despatch: By end of March 2014
    • Double up 36 to 72 for £5 extra  
    • £19.98 £14.99
Helianthemum Collection

Helianthemum Collection

Rock Rose, Sun Rose
These tough little rock roses are hardy, drought tolerant and trouble-free, producing glorious colour from late spring to midsummer. If pruned after flowering, they'll even reward you with a second flush of blooms in late summer! The nectar-rich flowers, set against a backdrop of silvery, semi-evergreen foliage, are loved by bees and other insects. This helianthemum collection makes excellent groundcover or a versatile addition to rockeries or hot, dry borders. Height: 20cm (8”). Spread: 30cm (12”).
  • Collection comprises the following varieties:
  • Helianthemum ‘Ben Mohr’ – Orange, saucer shaped flowers.
  • Helianthemum ‘Pink Angel’ – An abundance of delicate double, pink flowers.
  • Helianthemum ‘The Bride’ – A pretty, white rock rose with an RHS Award of Garden Merit.
  • Helianthemum ‘Ben Fhada’ – Bright, primrose yellow blooms with golden egg-yolk centres.
  • Helianthemum ‘Fireball’ – Fantastic double scarlet petals.
 More info
    • 5 Postiplugs - 1 of each variety

    • Despatch: By end of June 2013
    •  
    • £11.99
    • 5 jumbo plugs - 1 of each variety

    • Despatch: By end of May 2013
    •  
    • £12.99
    • Out of stock
    • 10 Postiplugs - 2 of each variety

    • Despatch: By end of June 2013
    • SAVE £5.99  
    • £23.98 £17.99
    • 10 jumbo plugs - 2 of each variety

    • Despatch: By end of May 2013
    • SAVE £7.99  
    • £25.98 £17.99
    • Out of stock

Ox-eye Daisy

Leucanthemum vulgare, Marguerite, Chrysanthemum leucanthemum, Wildflower
A familiar sight on roadside verges and waste ground, this native perennial produces a stunning display of large white flowers with prominent yellow centres. Ox-eye daisies make a real impact in garden borders or plant them in wildlife gardens where they will burst into flower from May to July. Ox-eye daisies are very attractive to bees, butterflies and hoverflies. Height: 60cm (24"). Spread: 40cm (16"). More info
    • 3 Postiplugs

    • Despatch: By end of April 2014
    •  
    • £8.99