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 38 products.
 

Dianthus plumarius 'Sonata'

Pink

Flowering all summer with very double, fragrant classic cottage garden pinks. Flowers 16-18 weeks from sowing.

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

More info
    • 1 packet (30 seeds)

    • Despatch: By end of April 2014
    •  
    • £1.29

Echium pininana

Tower of Jewels, Giant Viper's Bugloss, Tree Echium, Echium pinnifolium

 Customer Rating

No wonder this is also called Tower of Jewels or 'Pride of Tenerife! Exceptionally tall flower spikes packed with either rose or purple-blue flowers, interspersed with silver-green lanceolate leaves.

More info
    • 1 packet (25 seeds)

    • Despatch: By end of April 2014
    •  
    • £3.99

Wallflower 'Bedding Mixed'

Erysimum, Cheiranthus

A special selection drawn from the widest colour range of the named varieties. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height: 38-45cm (15-18in) More info
    • 1 packet (400 seeds)

    • Despatch: By end of April 2014
    •  
    • £2.39

Red Hot Poker 'Traffic Lights'

Kniphofia hirsuta, Torch Lily

An intriguing dwarf red hot poker with unusual red, amber and green flower spikes. First year flowering, adding interest to borders and containers. Height: 30-40cm (12-16in). *Sow Sept/Oct to flower the following season.
More info
    • 1 packet (20 seeds)

    • Despatch: By end of April 2014
    •  
    • £3.49

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: By end of April 2014
    •  
    • £1.49

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: By end of April 2014
    •  
    • £3.29

Dianthus amurensis 'Siberian Blues'

Pink

Compact, bushy mounds of bluish evergreen foliage erupt into a sea of mauve-blue flowers in late spring and are the closest yet to a true blue Dianthus. Ideal planted in borders, rockeries and containers, flowering over a long period each summer for many, many years.

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

More info
    • 1 packet (25 seeds)

    • Despatch: By end of April 2014
    •  
    • £1.49

Penstemon heterophyllus 'True Blue'

Foothill Penstemon, Beard Tongue

Yes, this really is a true blue Penstemon, true from seed! Azure blue trumpet blooms in abundance, with green and grey tinged foliage. An added bonus too - as this charming perennial may be treated as a annual, flowering in its first year. Highly versatile for borders, rockeries, bedding or the patio container.
More info
    • 1 packet (50 seeds)

    • Despatch: By end of April 2014
    •  
    • £2.99

Wallflower 'My Fair Lady Mixed'

Erysimum cheiri, Cheiranthus

A neat, uniform free flowering strain. Soft, fragrant colours; lemon, cream, gold, apricot, purple, pink, salmon, rose and mahogany. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height: 37-45cm (15-18in).
More info
    • 1 packet (400 seeds)

    • Despatch: By end of April 2014
    •  
    • £2.69

Geranium 'Maverick Mixed' F1 Hybrid

Pelargonium, Zonal Geranium, Zonal Pelargonium

Introducing in T&M's opinion, the ultimate top quality garden Geranium. In trials, they are clear winners with outstanding garden performance. Uniform, well-branched, lush foliaged plants bearing multiple stemmed large flowers, perfect in shape and shatter free. The mixture contains 8 colours: white, coral, star, scarlet, pink, salmon, red and light salmon. Makes an ideal pot plant. Flowers can be edible. More info
    • 1 packet (6 seeds)

    • Despatch: By end of April 2014
    •  
    • £1.49

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: By end of April 2014
    •  
    • £2.69

Dianthus superbus 'Crimsonia'

Pink

Deliciously fragrant! Rich crimson, deeply-cut, large fringed petals, filling the air with their sweet perfume. A first year flowering perennial, which Is very hardy, neat and compact, with outstanding garden performance. Ideal in borders, containers or as a cut flower. Height: 38-50cm (15-20in).

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

More info
    • 1 packet (200 seeds)

    • Despatch: By end of April 2014
    •  
    • £2.89