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 24 products.
 

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").
More info
    • 6 scabious plug plants

    • Despatch: By end of September 2015
    •  
    • £5.99
    • 12 scabious plug plants

    • Despatch: By end of September 2015
    •  
    • £8.99

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 September 2015
    •  
    • £5.99
    • 36 coreopsis plug plants

    • Despatch:
    •  
    • £10.99
    • Out of stock
    • 72 coreopsis plug plants

    • Despatch: By end of September 2015
    • Double up 36 to 72 for £5 extra  
    • £21.98 £15.99

Salvia nemorosa 'Marcus' (Large Plant)

Salvia are effortless, hardy plants for mixed borders. Salvia nemorosa 'Marcus' is a particularly special selection, with deep indigo flower spikes above clumps of aromatic foliage, the blooms coming in such density that they create a solid block of colour.

Salvia plants are deer resistant, rabbit resistant, and will attract bees and butterflies to your garden. Salvia 'Marcus' is short, neat and will make a strong feature towards the front of cottage garden borders and wildlife gardens. Trimming the plants in midsummer will encourage even more flowers! Height: 45cm (18"). Spread: 45cm (18").

More info
    • 1 x 1 litre potted salvia plant

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

    • Despatch:
    •  
    • £16.99
    • Out of stock

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 September 2015
    •  
    • £13.99
    • 2 x 7cm anemone potted plants

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

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"). More info
    • 1 x 1 litre potted geum plant

    • Despatch: By end of September 2015
    •  
    • £7.99
    • 2 x 1 litre potted geum plants

    • Despatch: By end of September 2015
    •  
    • £12.99

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"). More info
    • 1 x 2 litre potted geum plant

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

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

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"). More info
    • 1 x 2 litre potted sedum plant

    • Despatch: By end of September 2015
    •  
    • £11.99
    • 2 x 2 litre potted sedum plants

    • Despatch: By end of September 2015
    •  
    • £18.99

Solidago 'Little Lemon' (Large Plant)

Golden rod

This compact little Golden Rod bears zesty lemon blooms on bushy, well branched plants throughout summer. Compared to other varieties, Solidago 'Little Lemon' shows superior mildew resistance, so it will look good all season long. This hardy perennial is fuss-free and easy to grow, even in drier conditions where it is drought tolerant once established. The cheery plumes of flowers are loved by pollinating insects and make a useful cut flower too. Height: 45cm (18"). Spread: 60cm (24"). More info
    • 1 x 3 litre potted solidago plant

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

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

Coreopsis grandiflora (Large Plant)

Tickseed

This reliable, easy to grow perennial produces sunshine yellow blooms with serrated margins. Coreopsis flowers are always popular with bees and butterflies and make excellent cut flowers too. Flowering almost continually throughout summer and well into autumn, this versatile tickseed plant will grow almost anywhere, even in dry soil! Height and spread: 45cm (18"). More info
    • 1 x 1 litre potted coreopsis plant

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

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

Wallflower 'Variegatum' (Large Plant)

Erysimum linifolium, Cheiranthus

Perennial Wallflowers are essential for low-maintenance gardens, and they will flower twice a year, once during winter/spring, then again towards the end of the summer.

This variegated Wallflower produces the mauve, colour-changing flowers, set against evergreen cream-lined foliage. Grow Wallflower ‘Variegatum' in borders, rockeries or mix with bedding plants for attractive, spring-flowering patio pots and windowboxes. Versatile and quite undemanding, this short-lived perennial is tough, will grow in the poorest of soils and is drought tolerant once established. Height and spread: 45cm (18").

More info
    • 1 x 1.5 litre potted wallflower plant

    • Despatch: By end of February 2016
    •  
    • £9.99
    • 2 x 1.5 litre potted wallflower plants

    • Despatch: By end of February 2016
    •  
    • £16.99

Geum 'Flames of Passion'

Avens

Soft red, semi-double blooms with contrasting yellow anthers are borne above neat clumps of bright green foliage. From early summer through until early autumn Geum 'Flames of Passion' produces a profusion of fruity blooms on elegant, burgundy stems, which are ideal for cutting and adding to posies and vase arrangements indoors. Compact and easy-to-grow, this Geum is a fantastic addition to the front of perennial borders where it will produce a prolific and reliable display every year. Height: 45cm (18"). Spread: 40cm (16"). More info
    • 1 bare root geum plant

    • Despatch: By end of November 2015
    •  
    • £10.99

Wallflower 'Canaries Yellow' (Large Plant)

Erysimum, Cheiranthus

Wallflower ‘Canaries Yellow' is an amazing variety, with sulphur-yellow flowers, on compact, bushy evergreen plants. Perennial Wallflowers begin flowering as early in the year as February, continuing through to April with a procession of fragrant, colourful flowers.

Grow in borders, rockeries or mix with primroses and pansies for spring-flowering patio pots. Versatile and quite undemanding, this short-lived perennial is tough enough to cope in even the poorest of soils. Height and spread: 45cm (18").

More info
    • 1 x 1.5 litre potted wallflower plant

    • Despatch: By end of February 2016
    •  
    • £9.99
    • 2 x 1.5 litre potted wallflower plants

    • Despatch: By end of February 2016
    •  
    • £16.99