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.


For beautiful summer flowers browse our range of annual plants.



We have found 58 products.
 

Foxglove 'Milk Chocolate' (Large Plant)

Digitalis parviflora

Rich chocolate coloured flowers tightly fill the slender flower spikes of this superb Foxglove. Digitalis parviflora 'Milk Chocolate' is a rarely seen variety with glossy foliage that complements the unusual blooms. Native to Spain, this Foxglove is surprising hardy and enjoys a lightly shaded position in the garden. The nectar rich blooms prove particularly attractive to bees, making this a useful addition to wildlife areas. Pair it with white flowered Digitalis for a particularly elegant contrast. Height: 60cm (24"). Spread: 30cm (12").

 

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

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

    • Despatch: Within 28 days
    •  
    • £14.99

Monarda didyma 'Cranberry Lace' (Large Plant)

Bergamot

Bergamot are unusual-looking perennials that have aromatic foliage and whorls of spidery blooms made up of tubular petals. Monarda 'Cranberry Lace' is a compact, short Bergamot with bright pink, and a built-in resistance to powdery mildew problems.

Bergamot is perfect for cottage garden borders where it can quickly form dense, easy to grow clumps. Bergamot flowers are great for the wildlife garden, as they are loved by bees. Height: 90 cm (36"). Spread: 45cm (18").


Culinary note: Use the dried leaves to make Bergamot tea or use the sweet, spicy flavoured petals to enhance salads, jellies, rice or pasta dishes. For more details about edible flowers click here.

 

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

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

    • Despatch: Within 28 days
    •  
    • £16.99

Astilbe x arendsii 'Look at Me'

False Goatsbeard

Turn any dark, damp corner of the garden into a focal point with this stunning Astilbe. The bubble-gum pink flower plumes and vivid ruby-red stems of Astilbe 'Look At me' virtually shout for your attention. This easy-grow perennial will thrive in soil too wet for many garden plants, but you don't have to tuck it out of site. This star perennial is also a top performer in patio pots when kept shaded and well watered. Voted Best New Plant when launched to the industry at the 2013 European Plantarium trade fair - we now have stock to meet consumer demand for this sought after perennial plant. Height: 45cm (18"). Spread: 50cm (20"). More info
    • 3 bare root astilbe plants

    • Despatch: By end of November 2016
    •  
    • £9.99
    • 6 bare root astilbe plants

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

Meconopsis 'Union Jack' Collection

Meconopsis

  • Luxurious designer poppies - a must have for your perennial borders
  • Ideal for damp, shady corders of the garden
  • Long-lasting silky, satin blooms

We've put together a collection of these wonderful perennial poppy plants for you for a patriotic display in your summer border:

Meconopsis Napaulensis will bring the deep red hues to the display, a rich shade on tall stems, flowering from late spring through to early summer. Height: 150cm (59"). Spread 100cm (39").

Meconopsis betonicifolia 'Alba', 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. This captivating short-lived perennial is 99% true to type; very occasionally the odd blue flower may appear. Height: 90cm (35"). Spread: 50cm (20").

Meconopsis betonicifolia - a stunning blue Himilayan Poppy that will certainly make an impact on its own, let alone as part of this collection. The large bowl shaped blooms will have a dramtic effect and are certainly worth a place in your garden. Height: 120cm (47"). Spread 45cm (18").

More info
    • 3 x 7cm potted meconopsis plants

    • Despatch: By end of November 2016
    •  
    • £19.99 £14.99
    • 6 x 7cm potted meconopsis plants

    • Despatch: By end of November 2016
    • SAVE £51.95  
    • £29.99 £19.99

Foxglove 'Dalmatian Mixed'

Digitalis purpurea

Digitalis 'Dalmatian Mixed' looks magnificent in cottage gardens and woodland borders - but thanks to their uniform branching habit, these statuesque foxgloves make fabulous annual bedding too! These short lived perennials will happily seed about to create dramatic drifts and attract wildlife to their nectar rich flowers. Height: 50cm (20"). Spread: 40cm (16").

Useful links:

Gardening news: Move over marigolds... new bedding plants fly in the face of tradition

More info
    • 6 foxglove plug plants

    • Despatch: By end of October 2016
    •  
    • £5.99
    • 24 foxglove plug plants

    • Despatch:
    •  
    • £13.99
    • Out of stock
    • 48 foxglove plug plants

    • Despatch:
    •  
    • £19.99
    • Out of stock

Meconopsis betonicifolia 'Blue'

Himalayan Poppy

Meconopsis betonicifolia - a stunning blue Himilayan Poppy that will certainly make an impact on its own, let alone as part of this collection. The large bowl shaped blooms will have a dramatic effect and are certainly worth a place in your garden. Height: 120cm (47"). Spread 45cm (18"). More info
    • 1 x 7cm potted meconopsis plant

    • Despatch: By end of November 2016
    •  
    • £11.99 £9.99

Erodium manescavii (Large Plant)

 

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

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

    • Despatch:
    •  
    • £14.99
    • Out of stock

Meconopsis grandis 'Lingholm' (Large Plant)

Himalayan Blue Poppy

This captivating short lived perennial is a 'must have'! From basal rosettes of hairy leaves rise tall stems bearing spectacular, single clear blue poppy flowers, up to 10cm (4") across. Meconopsis 'Lingholm' makes a stunning feature planted en masse in woodlands, and moist, shady borders. Height: 75cm (30"). Spread: 50cm (20").

 

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

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

    • Despatch: Within 28 days
    •  
    • £14.99

Hellebore 'Washfield Doubles'

Helleborus x hybridus

 Customer Rating

Breathtaking, double-flowered hellebores from the 'Washfield' collection that are bred to perfection. Intriguing colours, patterns, flecks and ruffles are a sheer delight during the cold months of winter and early spring, while their leathery palmate foliage has an evergreen presence all year round. These delightful doubles come in a wide colour range including yellows, greens, blacks, reds, apricots and many other shades. Height and spread: 40cm (16").

More info
    • 5 x 7cm potted hellebore plants

    • Despatch: By end of October 2016
    •  
    • £13.99
    • 10 x 7cm potted hellebore plants

    • Despatch: By end of October 2016
    •  
    • £18.99

Meconopsis baileyi 'Hensol Violet'

Himalayan Blue Poppy, Tibetan Blue Poppy, Meconopsis betonicifolia

The 'must-have' Himalayan Blue Poppy' has a rival in this exquisite cultivated form. Bright violet-purple, almost shimmering flowers, with the merest hint of red, make a stunning addition planted in groups in shady borders and woodland areas. This 'collectors plant' still surprises countless poppy-lovers who have never seen this unusual perennial before. Meconopsis betonicifolia 'Hensol Violet' is so named for its origins from Hensol House, Scotland, where it was discovered by Lady Henderson. Height: 90cm (36"). Spread: 30cm (12"). More info
    • 1 x 9cm potted meconopsis plant

    • Despatch: By end of November 2016
    •  
    • £11.99
    • 2 x 9cm potted meconopsis plants

    • Despatch: By end of November 2016
    •  
    • £17.99

Astrantia major 'Roma' (Large Plant)

Hattie's Pincushion, Masterwort

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. Astrantia 'Roma' is one of the best varieties, and comes with an RHS AGM. The flowers persist from June to September and won't self seed as this variety is completely sterile. For almost instant gardening, choose Masterwort. Plants are quick-growing, easy to establish and long-lasting. Height: 90cm (35") and Spread: 45cm (18").

 

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

    • Despatch: Within 28 days
    •  
    • £14.99
    • 2 x 1 litre potted astrantia plants

    • Despatch: Within 28 days
    •  
    • £24.99

Meconopsis napaulensis

Satin Poppy, Nepal Poppy

  • Luxurious designer poppy
  • Sought after red blooms
  • A musts-have for perennial borders

Much-loved but notoriously hard to grow from seed, we’ve done the hard bit for you! Now everyone can grow the highly sought after Satin poppy with guaranteed results. This luxurious red poppy thrives on damp, cool ground and the silky, satin blooms make a real feature in shady corners of the patio. Use the deep red blooms of Meconopsis napaulensis to add warmth and cheer under trees, shrubs and shady spots. Height: 120cm (47").
More info
    • 1 x 7cm potted meconopsis plant

    • Despatch: By end of November 2016
    •  
    • £11.99 £9.99