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.



We have found 38 products.
 

Giant Fragrant Cowslip

Primula florindae, Tibetan Cowslip

Stiff stems carry whorls of sulphur yellow, tubular, flowers with a delicate, sweet fragrance. Once established, Giant Cowslips will naturalise to form swathes of lush, mid green foliage that makes ideal groundcover for natural planting schemes. With an RHS AGM, Primula florindae makes a superb choice for a damp, shady corner where other plants won't grow. Height: 90cm (35?). Spread: 50cm (20?).
More info
    • 3 jumbo plug plants

    • Despatch: By end of June 2015
    •  
    • £12.99
    • 6 jumbo plug plants

    • Despatch: By end of June 2015
    •  
    • £17.99

Viola 'Most Scented' Mix

Pansy

  • The most scented violas
Experience the unforgettable fragrance of Viola 'Most Scented Mix'. This exclusive mix exudes a spring-like perfume even on the coolest of winter days. With a cheery bright colour mix, their pretty faces bring a bright splash of colour that will continue well into late spring. Plant them in hanging baskets, window boxes and flower pouches™ and position them by a front door or kitchen window where you can really appreciate them. Height: 15cm (6”). Spread: 20cm (8”).

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

More info
    • 36 plug plants

    • Despatch: By end of August 2015
    •  
    • £11.99
    • 72 plug plants

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

Tropaeolum speciosum

Flame Nasturtium, Flame Flower, Flame Creeper

Exotic, spurred blooms in bright, vermillion red appear throughout summer in a rich explosion of colour. The vibrant blooms are followed by spherical blue fruits set against a backdrop of attractive dark green foliage. Tropaeolum speciosum is an intriguing climbing perennial that prefers a cool, sheltered position. This sought after plant creates a spectacular sight when grown through mature shrubs or scrambling over low walls. Height: 3m (10'). Spread: 1.2m (4').
More info
    • 2 bare root plants

    • Despatch:
    •  
    • £12.99
    • Out of stock
    • 4 bare root plants

    • Despatch:
    •  
    • £19.99
    • Out of stock

Anemone 'Queen Charlotte'

Japanese Anemone, Anemone x hybrida 'Konigin Charlotte'

It's easy to overlook the late show in your garden, as you scramble to fill it with summer colour. But, these superb Japanese anemones will take the blooming relay torch from summer bedding and carry it well into the autumn. Anemone 'Queen Charlotte' is the pick of the bunch, with an extra layer of pure pink petals. Height: 90cm (35"). Spread: 60cm (24").

More info
    • 1 jumbo plug plant

    • Despatch: By end of June 2015
    •  
    • £9.99
    • 3 jumbo plug plants

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

Brunnera macrophylla 'Jack Frost' (Large Plant)

Siberian Bugloss

  • New in 2015

Grown for it’s large, heart shaped, silver leaves with a sparkling metallic sheen that will brighten the shadiest borders. In Spring, the neat clumps of foliage are complimented by delicate sprays of sky blue flowers. Brunnera macrophylla ‘Jack Frost’ is a resilient, quick growing hardy perennial, making useful ground cover in those tricky shady areas. Try planting this Siberian Bugloss among hardy ferns for a woodland feel or throughout the front of cottage garden borders. Height: 45cm (18"). Spread: 60cm (24").

More info
    • 1 x 3 litre potted brunnera plant

    • Despatch: By end of May 2015
    •  
    • £12.99
    • 2 x 3 litre potted brunnera plants

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

Dicentra spectablis (Large Plant)

Lamprocapnos spectabilis, Bleeding Heart, Dutchman's Breeches, Lyre Flower

  • New in 2015
Charming rose-pink, heart shaped flowers dangle enticingly from elegant arching stems, giving this plant its common name of Bleeding Heart. This beautiful spring flowering perennial is one of the earliest to bloom each year, often continuing into early summer. The finely-cut foliage forms attractive clumps that increase year after year, at a slow but steady rate. This graceful hardy perennial enjoys a reliably moist soil, making it ideal for damp woodland areas as well as cottage garden borders. Dicentra spectabilis holds an RHS AGM for its superb garden performance and makes a worthy addition to any Spring garden. Height: 120cm (48"). Spread: 45cm (18").
More info
    • 1 x 1 litre potted dicentra plant

    • Despatch: By end of May 2015
    •  
    • £9.99
    • 2 x 1 litre potted dicentra plants

    • Despatch: By end of May 2015
    •  
    • £17.99

Arum Lily (Large Plant)

Zantedeschia aethiopica, Calla Lily

Grow the classic Arum Lily in your own garden; plants are suitable for moist borders or large patio pots. The architectural foliage is joined by unusual hooded flowers, which are up to 15cm (6") in length.

Zantedeschia can be grown at the edge of ponds, or in soil that is consistently moist. The Arum Lily will flower from early summer, and is a hardy perennial in most areas of the UK. Height: 90cm (36"). Spread: 60cm (24").

More info
    • 1 x 3 litre potted plant

    • Despatch: By end of May 2015
    •  
    • £11.99
    • 2 x 3 litre potted plants

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

Meconopsis baileyi 'Alba'

Himalayan Poppy, Tibetan Poppy, Meconopsis betonicifolia

  • Glorious white Himalayan poppy
Rarely seen, this stunning white form of the Himalayan blue poppy is a real eye-catcher in late spring and early summer. Pure white, silky petals surround golden yellow stamens to form clear, single blooms up to 10cm (4") across. Forming a basal rosette of hairy leaves, Meconopsis baileyi 'Alba' thrives in cool, moist, shady borders and woodland gardens, making a stunning feature when planted en masse. This captivating short-lived perennial is a 'must have' in the garden! Height: 90cm (35"). Spread: 50cm (20").
More info
    • 2 jumbo plug plants

    • Despatch: By end of May 2015
    •  
    • £12.99
    • 4 jumbo plug plants

    • Despatch: By end of May 2015
    •  
    • £17.99

Astrantia 'Roma'

Hattie's Pincushion, Masterwort

  • Tough perennial star flower
Pretty pincushion flowers in a delicate shade of pink, rise above loose clumps of attractive glossy foliage. Often seen in cottage garden borders, Astrantia major 'Roma' also thrives in the moist soil at a woodland edge or beside a pond or stream. The understated blooms, surrounded by papery outer bracts, are ideal for cutting for a delicate fresh or dried flower arrangement. Height: 75cm (30"). Spread: 45cm (18").
More info
    • 3 bare root plants

    • Despatch: By end of November 2015
    •  
    • £13.99
    • 6 bare root plants

    • Despatch: By end of November 2015
    •  
    • £21.99

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 plant

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

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

Coreopsis verticillata 'Zagreb' (Large Plant)

Tickseed

An award winning hardy perennial, which holds the coveted RHS Award of Garden Merit, meaning it is reliable and suitable for growing in many areas of the UK. Coreopsis is excellent for wildlife gardens, and is much loved by bees and butterflies.Coreopsis ‘Zagreb’ bears masses of 2.5cm (1") yellow daisy flowers throughout the summer making an excellent border filler. This compact variety can be grown as a perennial or used as part of an annual bedding scheme. Height and spread: 30cm (12"). More info
    • 1 x 3.5 litre potted plant

    • Despatch: By end of May 2015
    •  
    • £10.99
    • 2 x 3.5 litre potted plants

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

Gunnera manicata (Large Plant)

Chilean Rhubarb

Gunnera is the ‘big daddy’ of the gardening world. The giant evergreen leaves can reach 1-2 metres across, and will add the wow factor to any garden, although isn’t necessarily suitable for smaller gardens!

Also affectionately known as Giant Rhubarb, Gunnera is robust, spectacular and architectural. They make great specimen plants bog gardens and waterlogged spots, the reflection in water is especially beautiful. Gunnera manicata holds an RHS Award of Garden Merit too. Height: 2.5m (8’) Spread: 4m (13’).

More info
    • 1 x 1 litre potted plant

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

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