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 25 products.
 

Heuchera 'Obsidian' (Large Plant)

This striking Coral Flower makes a bold statement. Fine sprays of creamy white flowers stand out against the glossy, deep maroon-black foliage. The nectar rich flowers of Heuchera 'Obsidian' attract pollinating insects and bring a light, airy feel to cut flower arrangements. This hardy evergreen perennial retains its elegant looks all year round, making it particularly useful for ground cover when planted en-masse. Perfect for individual patio pots or creating a sophisticated 'Black-tie' look in borders. Height: 45cm (18"). Spread: 30cm (12").

 

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

    • Despatch: Within 28 days
    •  
    • £9.99
    • 2 x 1 litre potted heuchera plants

    • Despatch: Within 28 days
    •  
    • £17.99

Scabious 'Blue Jeans'

Scabiosa, Pincushion Flower

 Customer Rating
An abundance of blue pincushion scabious flowers will attract bees and butterflies throughout summer. The tall, wiry stems can also be cut to create a pretty display indoors. Scabiosa 'Blue Jeans' blends well among cottage garden borders, where they look particularly effective planted in large drifts. Height and spread: 45cm (18").
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    • 6 scabious plug plants

    • Despatch:
    •  
    • £5.99
    • Out of stock

Phlox paniculata 'Peppermint Twist' (Large Plant)

Perennial Phlox

Delightfully dwarf, this perennial Phlox reaches just 45cm (18") tall! Charming pink and white pinwheel blooms will fill the air with the most exquisite fragrance. With its neat, bushy habit, Phlox paniculata 'Peppermint Twist' is perfect for patio containers - plant it next to a doorway where you can really appreciate their fragrance. Highly attractive to pollinating insects, this pretty variety will brighten up the front of borders, and also makes a pleasing cut flower. Height and spread: 45cm (18"). ,

Culinary note: Some parts of these flowers are edible. Add the small flowers to fruit salads or crystallise them for decorating desserts. For more details about edible flowers click here.

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted phlox plant

    • Despatch: Within 28 days
    •  
    • £12.99
    • 2 x 2 litre potted phlox plants

    • Despatch: Within 28 days
    • SAVE *£5.99  
    • £25.98 £19.99

Coreopsis grandiflora 'Presto'

Tickseed

 Customer Rating
Coreopsis 'Presto' is so long-flowering and colourful that you can mix it up with summer bedding annuals to achieve a truly amazing, long lasting display. Neat, compact plants are smothered in golden-yellow, semi-double flowers all summer long. This versatile tickseed plant will grow almost anywhere, even in dry soil! Height and spread: 45cm (18").
More info
    • 6 coreopsis plug plants

    • Despatch: By end of October 2016
    •  
    • £5.99
    • 72 coreopsis plug plants

    • Despatch:
    • Double up 36 to 72 for £5 extra  
    • £21.98 £15.99
    • Out of stock

Poppy 'Ladybird' (Large Plant)

Papaver commutatum, Causican Scarlet Poppy

Hardy annual Poppy 'Ladybird' was developed from a species introduced from Russia in 1876 by our founder, William Thompson - and is still as popular as ever! Brilliant scarlet red petals are set off beautifully by the contrasting black spots at the base of each petal. Although each bloom last only a few days, more fat, hairy buds are constantly rising from among the clumps of finely cut foliage. This fabulous Caucasian Scarlet Poppy is so easy to grow and holds an RHS AGM for its superb garden performance. Height: 45cm (18"). Spread: 15cm (6").

 

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

    • Despatch: By end of November 2016
    •  
    • £9.99
    • 2 x 1 litre potted papaver plants

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

Heuchera 'Berry Smoothie' (Large Plant)

Coral Flower, Coral Bells

Claret red veins pattern the pink foliage of Heuchera 'Berry Smoothie', which slowly ages to a deep burgundy by autumn. This new introduction is another eye-catching variety of this popular evergreen perennial. The creamy white flowers add extra interest in summer and prove particularly attractive to pollinating insects. A lovely choice for providing year round interest in patio containers and borders. Height: 45cm (18"). Spread: 50cm (20").

 

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

    • Despatch: Within 28 days
    •  
    • £9.99
    • 2 x 1 litre potted heuchera plants

    • Despatch: Within 28 days
    •  
    • £17.99

Geum 'Banana Daiquiri' (Cocktails series) (Large Plant)

Avens

The refreshing, lemon yellow flowers of Geum 'Banana Daiquiri' are borne above neat clumps of semi evergreen foliage in late spring. Carried on fuzzy stems, each bloom is semi double with a whirl of yellow anthers at its centre. This neat little Avens makes a useful hardy perennial for the front of borders. Take a few of the blooms for a late spring posy - they make great cut flowers! Height: 45cm (18").Spread: 35cm (14").

 

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

    • Despatch: Within 28 days
    •  
    • £7.99
    • 1 x 2 litre potted geum plant

    • Despatch: Within 28 days
    •  
    • £12.99
    • 2 x 1 litre potted geum plants

    • Despatch: Within 28 days
    •  
    • £12.99
    • 2 x 2 litre potted geum plants

    • Despatch: Within 28 days
    •  
    • £19.99

Euphorbia amygdaloides 'Ruby Glow' (Large Plant)

Milkweed, Spurge

This handsome evergreen perennial produces vivid bright green flower bracts that seemingly glow above ruby-red foliage. As the foliage ages it becomes near black throughout the cold winter months before producing a new flush of vibrant red leaves in spring. Euphorbia amygdaloides 'Ruby Glow' has a neat compact habit producing rounded, well branched plants that look magnificent grown in large swathes. A colourful choice for moist borders. Although this Spurge will happily tolerate light shade, it is best grown in full sun for the strongest colour. Height and spread: 45cm (18").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted euphorbia plant

    • Despatch: Within 28 days
    •  
    • £9.99
    • 2 x 2 litre potted euphorbia plants

    • Despatch: Within 28 days
    •  
    • £17.99

Geranium himalayense (Large Plant)

Hardy Geranium, Cranesbill

Cranesbills are well known as superb ground cover plants, but this one is especially useful, tolerating shady spots particularly well. The lobed foliage forms a pretty backdrop to its purple-blue flowers, which are borne in a main flush during early summer, and then sporadically right through to autumn. As autumn approaches Geranium himalayense gives a final display of vibrant red foliage. This hardy perennial is a stalwart of cottage gardens and perfect for filling out gaps in the front of herbaceuous borders. Height: 45cm (18"). Spread: 60cm (24").

 

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

    • Despatch: Within 28 days
    •  
    • £9.99
    • 2 x 1 litre potted geranium plants

    • Despatch: Within 28 days
    •  
    • £14.99

Sedum telephium 'Purple Emperor' (Large Plant)

Stonecrop

A particularly stylish Sedum with succulent burgundy-black foliage that adds a touch of drama to the front of borders. In late summer, Sedum telephium 'Purple Emperor' produces wide panicles of ruby-red flowers that persist well into autumn. The striking blooms are loved by butterflies and provide a useful source of late season nectar for pollinating insects. This superb hardy perennial holds an RHS AGM for its garden performance. An excellent choice for hot, sunny borders and exotic planting schemes. Height and spread: 45cm (18").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted sedum plant

    • Despatch: Within 28 days
    •  
    • £11.99
    • 2 x 2 litre potted sedum plants

    • Despatch: Within 28 days
    •  
    • £18.99

Geum 'Fireball' (Large Plant)

Avens

Ruffled, semi double flowers with gently scalloped edges make an eye catching display from May to July. Geum 'Fireball' is longer flowering than older cultivars and equally well loved by pollinating insects. This compact little Avens forms a neat clump of foliage that sits nicely at the front of borders. An easy to grow and undemanding hardy perennial, that also makes a nice cut flower. Height and spread: 45cm (18").

 

Lifetime Guarantee on Hardy Plants Large Potted Plant Special Offer
More info
    • 1 x 2 litre potted geum plant

    • Despatch: Within 28 days
    •  
    • £12.99
    • 2 x 2 litre potted geum plants

    • Despatch: Within 28 days
    •  
    • £19.99

Anemone 'Wild Swan'

Windflower

  • Award winning new anemone, a Chelsea champion
A truly beautiful perennial, and winner of the RHS Chelsea Flower Show 2011 Plant of the Year title. Trialled over a 10 year period, Anemone 'Wild Swan' is a cross between early and late flowering anemones and as such, the unique flowers bloom intermittently from April right through to the autumn. Each elegant white flower is backed with pretty blue streaks that look particularly eye catching when the flowers nod closed in the mornings and evenings. A superb perennial for borders and woodland gardens with a neat, compact habit. Height: 45cm (18"). Spread: 60cm (24")
More info
    • 1 x 7cm anemone potted plant

    • Despatch: By end of October 2016
    •  
    • £13.99
    • 2 x 7cm anemone potted plants

    • Despatch: By end of October 2016
    •  
    • £19.99