Thompson & Morgan

Important delivery notice
The products on this site are only delivered to UK addresses. If you require delivery to another country please visit one of our other sites below.

Refine Results

Refine by..

Email Newsletter

Sign up to our newsletter

Perennial & Biennial Seeds


Biennials live for 2 years, whereas perennials live for longer. As a general rule, biennial and perennial seeds should be sown in spring, but some can be sown in autumn as well. Many varieties will self-seed after flowering, giving you even more plants!



We have found 12 products.
 

Echinacea x hybrida 'Magic Box'

Coneflower

One of the most comprehensive mixtures of colours available. Each bloom has been carefully selected and bred by our flower breeders for its stunning form as well as its superior garden performance. The tall colourful flowers look fabulous in borders or in a vase in the house.

More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £3.49

Foxglove 'Summer King'

Digitalis x mertonensis

 Customer Rating

Commonly known as the Strawberry Foxglove. This very compact variety produces neat flower spikes with huge, eye-catching strawberry-rose bells. A vigorous variety which is sure to make any early season garden shine, as well as attracting nectar-loving bees. Digitalis Summer King is a naturally occurring cross between the yellow-flowered Digitalis grandiflora and lavender-rose-flowered Digitalis purpurea.

More info
    • 1 packet (80 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99

Poppy 'Summer Breeze Mixed'

Papaver nudicaule, Arctic Poppy, Icelandic Poppy

A first-year-flowering perennial with unbeatable flower power! Up to 100 delicate papery flowers per plant are produced throughout the summer in a mix of yellow, orange and white, creating a long-lasting, free-flowering and colourful border display.

More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £3.19

Francoa sonchifolia 'Pink Giant'

Bridal Wreath

Reliable garden perennial with deeply lobed green leaves and spikes of large pink bicoloured petals on long flower spikes. Just as lovely in a border as in a vase.

More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £3.49

Dianthus plumarius 'Sweetness Mixed'

Pink

A true breakthrough! First year flowering from July to September from an early (February) sowing, producing heavily scented pinks. Dwarf, bushy, spreading plants; ideal for cottage or perennial borders. Easy to maintain - simply trim spent blooms with shears at the end of the season.


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

More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.39

Allium giganteum

Giant Allium, Ornamental Onion

One of the tallest of the allium species, the spectacular ball-shaped blooms are made up of masses of tiny bright purple flowers and have a diameter of at least 20cm (8"). The airy spheres of bloom are followed by architectural seedheads that create a spectacular autumn display. Undemanding and easy to grow, these magnificent, long lasting allium flowers are also excellent for cutting. Height: 120cm (48"). Spread: 15cm (6").

Useful links:

How to grow bulbs, corms and tubers

More info
    • 1 packet (10 seeds)

    • Despatch: Within 3 days
    •  
    • £4.79

Prunella grandiflora 'Freelander Blue'

Self-heal, Large Self-heal

 Customer Rating

Originating in the mountainous regions of Europe, this vigorous and hardy perennial has been very successfully bred and selected from the wild form. Its lovely flower spikes of deep violet-blue blooms make a great choice for the front of borders and will serve as excellent ground cover as well.

Often known as 'self heal' - the foliage was used to stop bleeding in medieval times - this charming plant will attract bees and butterflies to the garden.

More info
    • 1 packet (35 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Scabiosa drakensbergensis

Scabious, Pincushion Flower

A rare giant from the Drakensberg Mountains of South Africa. The stout broomstick-like stems have attractive wrinkled leaves and ivory white 'cushion' flowers which bloom on tall stems from July to October. A rare and spectacular addition to any garden.

More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £0.99

Duchesnea indica 'Harlequin'

Indian Strawberry, Mock Strawberry, Fragaria indica

Commonly known as the Indian strawberry. Attractive variegated-leaved plants produce yellow flowers followed by red edible fruits similar to alpine strawberries. Ideal in hanging pots, cascading over rockery or as a ground cover plant.

More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £0.99

Viola x williamsiana 'Floral Powers Mixed' F1 Hybrid

Pansy

This delightful mixture of very bushy and free-flowering plants is proving to be one of the best viola introductions in recent years. Out-flowering all other varieties, Viola Floral Powers Mixed has large blooms and, as its name suggests, fabulous 'flower power'. Early to bloom in a wonderful range of colours and performing well in borders, containers and baskets.


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

More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £0.99

Foxglove 'Mountains Mixed'

Digitalis purpurea

After the success of Foxglove Candy Mountain, flower breeders have developed this beautiful and striking mixture with the same unique upward facing flowers. Sturdy stems with masses of blooms create a truly eye-catching display in borders and will attract bees to its easy-to-enter flowers.

More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £3.39

Foxglove 'Snowy Mountain'

Digitalis purpurea

Hot on the heels of Foxglove Candy Mountain, this striking white version has been developed by flower breeders. Each unique upward-facing bloom is peppered inside with delicate purple spots which will tempt bees and other insects. Tall sturdy spires of flowers will create an eye-catching display in cottage garden borders. Will grow in any garden soil in full sun or part shade.

More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99