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.
 

Perennial 'Best Value' Collection

Fill your beds and borders with this bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").

  • Collection includes;

  • Lavender 'Hidcote' - This classic English lavender plant has an attractive grey-green fragrant foliage and will display stunning violet-blue compact spikes.
  • Digitalis 'Dalmation Mixed' - Well branched, compact, dwarf plants. Height: 50cm (20"). Spread: 40cm (16").
  • Erigeron 'Stallone' - This cheery clump forming perennial enjoys light sandy soils, making it ideal for coastal gardens.
  • Echinacea 'Pink Parasol' - Pink Parasol has stunning, large, deep purplish-pink blooms, with contrasting orange cones standing proudly above strong stems.
  • Verbena Bonariensis - Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. Height: 200cm (78"). Spread: 45cm (18").
  • Scabiosa 'Blue Jeans' - Blue pincushion flowers attract bees and butterflies throughout summer. Height and spread: 45cm (18").
  • Aquilegia 'Swan' Mixed - An abundance of large flowers on upright, multi-branched stems Height: 30cm (12"). Spread: 25cm (10").
  • Geum 'Blazing Sunset' - Fully double, large scarlet blooms are borne over a long period in summer. Height and spread: 60cm (24").
  • Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting. Height and spread: 30cm (12").
  • Armeria 'Mixed' - Long flowering plants with unusual ball shaped flower heads on thin wiry stems. Height: 50cm (20"). Spread: 30cm (12").
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Coreopsis 'Early Sunrise' - Golden yellow, semi double flowers that attract bees and butterflies. Height: 45cm.
More info
    • 72 perennial plug plants - 6 of each variety

    • Despatch: By end of September 2016
    • SAVE £51.89  
    • £71.88 £19.99

Delphinium 'Pacific Giants'

 Customer Rating
A distinguished delphinium producing strong spikes of semi-double blooms in a dreamy blend of pink, lilac, purple, violet-blue, sky-blue and white. Delphinium 'Pacific Giants' are excellent for cutting and add structure and presence to the back of cottage garden perennial borders. Height: 150cm (60"). Spread: 75cm (30").
More info
    • 6 delphinium plug plants

    • Despatch: By end of June 2016
    •  
    • £5.99

Perennial Pack A 'T&M's Choice'

Fill your beds and borders with this bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").

  • Collection includes;

  • Aquilegia 'Swan' Mixed - An abundance of large flowers on upright, multi-branched stems Height: 30cm (12"). Spread: 25cm (10").
  • Geum 'Blazing Sunset' - Fully double, large scarlet blooms are borne over a long period in summer. Height and spread: 60cm (24").
  • Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting. Height and spread: 30cm (12").
  • Lavender 'Hidcote' - This classic English lavender plant has an attractive grey-green fragrant foliage and will display stunning violet-blue compact spikes.
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Erigeron 'Stallone'- This cheery clump forming perennial enjoys light sandy soils, making it ideal for coastal gardens.
More info
    • 36 perennial plug plants - 6 of each variety

    • Despatch: By end of September 2016
    • SAVE £20.95  
    • £35.94 £14.99

Delphinium 'Blue Bird' (Pacific Hybrid) (Large Plant)

Like most of the Pacific hybrid delphiniums, this variety has superb garden presence. Tall spires of clear blue flowers, each with a contrasting white centre, literally tower above clumps of deeply cut foliage. Flowering in June and July, Delphinium 'Blue Bird' makes an impressive feature, adding height and stature to the back of sunny perennial borders. Height: 150cm (5'). Spread: 75cm (30").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted delphinium plant

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

    • Despatch:
    •  
    • £14.99
    • Out of stock

Delphinium 'Cameliard' (Pacific Hybrid) (Large Plant)

The pale lavender blue flower spikes of Delphinium 'Cameliard' are quite breath-taking. The tall spires of bloom tower above clumps of deeply cut foliage. The frilly, semi double flowers are superb for adding to summer bouquets, but spare a few for the pollinating insects in your garden, who will appreciate this rich source of nectar. Like all of the Pacific Hybrids, this variety is impressive, and makes an unmissable feature at the back of herbaceous borders in early summer. Height: 150cm (5'). Spread: 75cm (30").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted delphinium plant

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

    • Despatch:
    •  
    • £14.99
    • Out of stock

Delphinium 'Pacific Giants Mixed' (Large Plant)

A distinguished delphinium producing strong spikes of semi-double blooms in a dreamy blend of pink, lilac, purple, violet-blue, sky-blue and white. Delphinium 'Pacific Giants' are excellent for cutting and add structure and presence to the back of cottage garden perennial borders. Height: 150cm (60"). Spread: 75cm (30").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted delphinium plant

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

    • Despatch:
    •  
    • £14.99
    • Out of stock

Delphinium 'Summer Skies' (Pacific Hybrid) (Large Plant)

Another of the Pacific Hybrids and this one is no less beautiful! Astonishing, tall spikes of pale blue flowers create plenty of vertical interest in herbaceous borders from June to July. Delphinium 'Summer Skies' is prized by flower arrangers for its unusual coloured blooms, and is equally loved by pollinating insects as a rich source of nectar. Height: 150cm (5'). Spread: 75cm (30").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 1 litre potted delphinium plant

    • Despatch: By end of May 2016
    •  
    • £9.99
    • 2 x 1 litre potted delphinium plants

    • Despatch: By end of May 2016
    •  
    • £14.99