Thompson & Morgan

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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 325 products.
 

Pansy 'Water Colours Mixed' F1 Hybrid

Viola x wittrockiana

Create a masterpiece with this fine mixture of the most delicate shades which has been an unqualified success wherever T&M have shown it. The colours work together in a way that brings raptuous comments wherever it is seen and it has performed well under adverse weather conditions both for colour, winter/ spring and summer flowering, for colour harmony and usefulness whether in containers, hanging baskets or bedding. Height: 15-20cm (6-8in).

Culinary note: Some parts of these flowers are edible. The crystallised petals are great decorations for cakes and cookies, or they can be added straight to green salads for an injection of colour. For more details about edible flowers click here.

More info
    • 1 packet (30 pansy seeds)

    • Despatch: Within 24 hours
    •  
    • £1.99

Gaillardia x grandiflora 'Arizona Collection'

Blanket Flower

Two spectacular dwarf Blanket Flowers with long-flowering periods and superb garden performance. Flowering in their first year, Gaillardia are undemanding, providing fabulous colour whatever the weather. Perfect for containers or filling gaps in the front of borders. Height: 30cm (12"). Spread: 45cm (18").


    • Collection comprises:
    • Gaillardia x grandiflora 'Arizona Red Shades' - Fiery red blooms sit neatly above uniform, well-branched plants.
    • Gaillardia x grandiflora 'Arizona Apricot' - Produces golden blooms blushed with apricot throughout summer and autumn.
    More info
      • 2 packets - 1 of each variety (40 gaillardia seeds in total)

      • Despatch: Within 24 hours
      • SAVE *£1.49  
      • £5.98 £4.49

Foxglove 'Mountains Collection'

Digitalis purpurea

One packet each of:
Foxglove 'Candy Mountain'
T&M Original. Foxglove Candy Mountain is totally unique as it is the first upward facing foxglove from seed. This unusual characteristic enables you, and the bees, to peep inside the stunning rose pink blooms and view their delightful freckled throats, which appear all the way around the stems. These flower stems are so strong, sturdy and erect that in breeding trials Candy Mountain was given the nickname 'Viagra'! Ideal for planting in drifts, creating a colourful display towards the middle or back of your perennial or cottage garden borders. Height: 90-140cm (36-56 inches)

Foxglove 'Snowy Mountain'
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
    • 2 packets - 1 of each variety (240 foxglove seeds in total)

    • Despatch: Within 24 hours
    •  
    • £4.49

Meadowland Mixture

Over 30 wild flowers, suitable for newcomers to wild flower growing. Create a flowering meadow or just a natural patch in the flower garden. Along with some of the prettiest wild flowers are nectar and food plants for bees, butterflies and other insects to make a haven for wildlife. Some plants flower the first summer, the rest in spring, summer or autumn the next year. Height: 20-150cm (8in-5ft). Average Height: 60cm (2ft). Contents include: Ladys Bedstraw, Meadow Buttercup, Corn Chamomile, Wild Clary, Cowslip, Crane's-Bill, Ox-eye Daisy, Foxglove, Harebell, Corn Marigold, Field Scabious, Teasel, Toadflax and many others. Please Note: Even though wild flowers they should not be scattered in the wild without the authorisation of your local Nature Conservation Trust.


1 gram of seed sows an area of approximately 1 square metre.

More info
    • 1 packet (1 gram)

    • Despatch: Within 24 hours
    •  
    • £3.69
    • 5 packets (5 grams)

    • Despatch: Within 24 hours
    •  
    • £14.99

Tall Perennial Mix

A well planned perennial border is a magnificent sight in summer! Flowering year after year, getting bigger each season, hardy perennials represent superb value for money - even more so when you buy perennials from seed. To help you make the most of your borders, we have grouped together varieties by height to help you achieve a balanced display. Height: Up to 120cm (47"). Spread: Up to 60cm (24").

Collection comprises:

  • Tall Perennials
  • Lupin 'Tutti Frutti' (40 seeds) - A mouthwatering range of attractive bicoloured flower spikes.
  • Aquilegia 'McKana Giants' (200 seeds) - Free-flowering, long spurred Columbines.
  • Echinacea 'Pink Parasol' (35 seeds) - Deep purplish-pink blooms, with contrasting orange cones.
  • Eryngium 'Miss Wilmott's Ghost' (30 seeds) - Steel-blue cones surrounded by a collar of prickly, silver leaves.
  • Delphinium 'Magic Fountains' (40 seeds) - The majesty of Delphinium blooms with a neat, dwarf habit.
More info
    • 5 varieties - 1 packet of each (345 perennial seeds in total)

    • Despatch: Within 24 hours
    • SAVE *£3.96  
    • £12.95 £8.99

Perennial Flower Border Seed Collection (Short)

A well planned perennial border is a magnificent sight in summer! Flowering year after year, getting bigger each season, hardy perennials represent superb value for money - even more so when you buy perennials from seed. To help you make the most of your borders, we have grouped together varieties by height to help you achieve a balanced display. Height: Up to 40cm (16"). Spread: Up to 60cm (24").

Collection comprises:

  • Short Perennials
  • Gaillardia 'Arizona Sun' (20 seeds) -
  • Veronica 'Mixed Colours' (50 seeds) - Many erect spikes, full of tiny flowers.
  • Nepeta 'Blue Moon' (30 seeds) - A neat, dwarf, bushy, habit, with large dense blue flower spikes.
  • Pinks 'Sweetness Mixed' (50 seeds) - Dwarf, bushy, spreading plants; ideal for cottage or perennial borders.
  • Viola 'Rose Shades' (30 seeds) - A delightful bushy, compact and free flowering variety.
More info
    • 5 varieties - 1 packet of each (180 perennial seeds in total)

    • Despatch: Within 24 hours
    • SAVE *£5.96  
    • £15.45 £9.99

Wildflower Collection

Primrose, Field Poppy, Cowslip, Sweet Rocket

Creating a colourful wildflower area in your garden is easy! Your garden will soon become a natural haven for wildlife, filled with a wide range of beneficial insects, like aphid-eating hoverflies and ladybirds, as well as various species of butterflies.
Collection comprises 1 packet each of:
Common Primrose
Wild Cowslip
Wild Flanders Poppy
Sweet Rocket Alba

Useful links:

How to sow wildflower seeds

More info
    • 4 packets - 1 of each variety (2700 wildflower seeds in total)

    • Despatch: Within 24 hours
    • SAVE *£1.57  
    • £10.56 £8.99

Short Perennial Mix

A well planned perennial border is a magnificent sight in summer! Flowering year after year, getting bigger each season, hardy perennials represent superb value for money - even more so when you buy perennials from seed. To help you make the most of your borders, we have grouped together varieties by height to help you achieve a balanced display. Height: Up to 40cm (16"). Spread: Up to 60cm (24").

Collection comprises:

  • Short Perennials
  • Wallflower 'Tom Thumb' (200 seeds) - Versatile and undemanding, with a very wide colour range.
  • Veronica 'Mixed Colours' (50 seeds) - Many erect spikes, full of tiny flowers.
  • Nepeta 'Blue Moon' (30 seeds) - A neat, dwarf, bushy, habit, with large dense blue flower spikes.
  • Aubrieta 'T&M Mixed Hybrids'(400 seeds) - A large-flowered mix with a rich colour range.
  • Viola 'Rose Shades' (30 seeds) - A delightful bushy, compact and free flowering variety.
More info
    • 5 varieties - 1 packet of each (710 perennial seeds in total)

    • Despatch: Within 24 hours
    • SAVE *£4.86  
    • £13.85 £8.99

Phlox 'Sugar Stars Mixed'

Annual Phlox

  • Easy summer colour - simply sow and go!
  • Shimmering crystal blooms
  • Perfect home-grown cutflower
The easy to route to summer colour. Simply scatter the seed in any sunny border for months of colour. The perfect floral option for sunny borders, coping well in dry spells. The sheer variety of purple-starry blooms make each stem a standout specimen. Leave the colour in your borders or cut regularly through summer for vase displays. Compact plants create cushions of colour in the summer border. Height: 25cm (10in). Spread: 30cm (12in)

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

More info
    • 1 packet (200 phlox seeds)

    • Despatch: Within 24 hours
    •  
    • £2.49

Flower Seed Lucky Dip

Enjoy our great-value flower lucky dip offer. In this lucky dip you will receive a mixture of different flower seed varieties. To allow us to offer you such a good price, we can't take orders for specific varieties, but whatever we decide to send, you won't be disappointed. Worth value based on the average price of £1.99 per packet. More info
    • 1 x 10 packet lucky dip

    • Despatch: Within 24 hours
    •  
    • £19.90

Malva sylvestris 'Zebrina'

Mallow

 Customer Rating
An easily raised perennial thriving in sun or part shade and producing strong, erect stems crammed with white to pink flowers with purple, almost black 'flamed' markings. Easy, thriving in most soils. A magnificent display. Flowers all summer. Flowers in first year.
More info
    • 1 packet (50 malva seeds)

    • Despatch: Within 24 hours
    •  
    • £0.99

Linum narbonense 'Heavenly Blue'

Flax

One of the finest blue flowered plants. A profusion of luminous ultra-marine blue flowers.
More info
    • 1 packet (30 linum seeds)

    • Despatch: Within 24 hours
    •  
    • £3.29