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 23 products.
 
Coreopsis Grandiflora Presto

Coreopsis grandiflora 'Presto'

Tickseed
A breeding breakthrough, a true first year flowering perennial Coreopsis, ideal for planting in containers, window boxes or towards the front of borders. Naturally dwarf and compact ball-shaped plants are smothered in double golden yellow blooms all summer. More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.19
Salvia coccinea 'Summer Jewel Red'

Salvia coccinea 'Summer Jewel Red'

Scarlet Sage
  • NEW in 2013
  • Flowers all summer until the first frosts
Applauded by Fleuroselect judges, Salvia coccinea 'Summer Jewel Red' is quicker to flower and more compact than other dwarf salvias. This free flowering variety bears its long lasting scarlet blooms above compact aromatic foliage. Scarlet Sage makes a stunning addition to borders and containers where it will attract pollinating insects to its fiery blooms. Although perennial, Salvia coccinea is half hardy and best treated as an annual in the UK. Height: 45cm (18"). Spread: 30cm (12"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Delphinium Grandiflorum Summer Nights

Delphinium grandiflorum 'Summer Nights'

Delphinium chinense

Attractive dwarf plants covered in a blanket of dainty midnight-blue flowers. Flowering in their first year from sowing makes them perfect for bedding borders or containers, providing a colourful display over a long summer period.

 More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
Agastache hybrida 'Astello Indigo'

Agastache hybrida 'Astello Indigo'

  • NEW in 2013
  • Fleuroselect Gold Medal
Indulge your senses with the fabulous mint-scented flower-spikes of Agastache hybrid ‘Astello Indigo’. The long-lasting, deep blue flower spikes are irresistible to bees and butterflies and make a fabulous addition to borders and containers. This attractive half-hardy perennial is ideal for gravel gardens and wildlife borders, although it is generally grown as an annual in colder areas. Height: 60cm (24"). Spread: 30cm (12").

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

 More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Catharanthus Roseus Mediterranean Lilac

Catharanthus roseus 'Mediterranean Lilac'

Vinca rosea, Rosy Periwinkle, Madagascar Periwinkle, Cayenne Jasmine

The first of a new breed in trailing Vincas! Specifically for baskets and containers they are early flowering with large, rounded, overlapping petals forming striking, vivid blooms.

 More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
Geranium X Hybrida Horizon Pink Ice F1

Geranium 'Horizon Pink Ice' F1 Hybrid

Pelargonium x hybrida, Zonal Geranium, Zonal Pelargonium

 Striking pink geranium. These robust plants are very bushy and free-flowering, creating an eye-catching display in borders or containers. Sow from January to mid-March to produce flowering plants by early summer. 30-35cm (12-14in) More info
    • 1 packet (6 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Viola X Wittrockiana Petite Mixed F1

Pansy 'Petite Mixed' F1 Hybrid

Viola x wittrockiana

  Customer Rating
T&M believe that this is The Best Winter Flowering Pansy! Earlier and more floriferous than many old favourites, with the widest colour spectrum imaginable. Very dwarf, compact plants, flowering over a long period in borders and containers. Height: 15-23cm (6-9in).

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

 More info
    • 1 packet (35 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.99
Agastache Foeniculum Golden Jubilee

Agastache foeniculum 'Golden Jubilee'

Anise Hyssop, Agastache rugosa, Agastache anisata, Agastache anethiodora
Attractive, golden-green foliage with a distinct aniseed fragrance, making a vibrant contrast to the compact lavender-blue flower spikes. Adds interest to borders and containers, as well as attracts wildlife to your garden. Fragrant and excellent in borders or containers.

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

 More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Penstemon Barbatus Navigator

Penstemon barbatus 'Navigator'

Beardlip Penstemon, Chelone barbata
Very dwarf, compact, base branching plants produce many short spikes, packed with flowers in a wide range of clear colours including pink, rose, blue and violet-mauve. Ideal for windy, exposed situations in bedding and containers. Height: 25-30cm (10-12in). More info
    • 1 packet (45 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Viola X Wittrockiana Jolly Joker F2

Pansy 'Jolly Joker' F2 Hybrid

Viola x wittrockiana
Jolly Joker, awarded the AAS Medal 1990 and the 1990 Fleuroselect Gold Medal, is probably the most spectacular pansy of its class. The intense orange of its lower petals, contrasts sharply with the deep purple of the upper petals. The effect is both unusual and intriguing. A very versatile and hardy variety which can be sown early for summer flowers or in summer for flowering in autumn and spring and even; in mild winters, through the winter. Height: 15-23cm (6-9in).

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

 More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Pelargonium X Hortorum Border Supreme F2. Hybrid

Geranium 'Border Supreme' F2 Hybrid

Pelargonium x hortorum, Zonal Geranium, Zonal Pelargonium
An exclusive blend of high quality bedding Geraniums at a very low price! Robust, free-flowering plants, with many large flower heads in shades of red, rose, pink, salmon and white. An inexpensive way of filling your borders and containers. More info
    • 1 packet (18 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Arctotis T&M Hybrids

Arctotis 'T&M Hybrids'

African Daisy

 Shades of cream, yellow, orange, red, crimson and purple. Beautiful for the border where the flowers are produced in profusion throughout the summer, and excellent for cutting.Silvery/green finely cut foliage. Flowers mid summer to frost. More info
    • 1 packet (70 seeds)

    • Despatch: Within 2 Days
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    • £2.69