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 38 products.
 

Monarda didyma 'T&M Superb Mixed'

Bee Balm, Bergamot

Candelabra-like whorls of flowers in a formula mixture with mint scented foliage. Indispensable border flower for most soils, particularly damp sites. Height 90-100cm (30-40in).

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

More info
    • 1 packet (80 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Canna indica 'T&M Hybrids'

Indian Shot Plant

 Customer Rating
Shades of yellow, red and cream with pretty bronze or green foliage. Sow early.
More info
    • 1 packet (15 seeds)

    • Despatch: By end of August 2014
    •  
    • £0.99

Hollyhock 'Fiesta Time'

Alcea rosea, Althaea rosea

A beautiful, cottage garden favourite which will flower quickly from seed in its first year. Robust, dwarf plants produce stout stems which carry wonderful, double, cerise-pink, fringed blooms from mid to late summer. Very impressive when planted together in small groups in borders or try planting in large containers for a gorgeous patio display of hollyhocks!

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 3 days
    •  
    • £2.99

Meconopsis baileyi 'Hensol Violet'

Himalayan Blue Poppy, Tibetan Blue Poppy, Meconopsis betonicifolia

Indulge yourself by growing this rare, mauve form of the exquisite Himalayan Blue Poppy. Scintillating, silky blooms aloft downy foliage give an absolutely breathtaking effect when planted in groups in shady borders and woodland areas. A collector's item for the border. Prefers a deep, moist, loamy soil in part shade. More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Gaura lindheimeri

White Gaura, Lindhemier's Beeblossom

Spikes of ¾in white flowers, tinged in pink. Long flowering in the border and as cut flowers. Cannot be sent to Hawaii.
More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
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    • £3.69

Centaurea dealbata

Cornflower, Bachelor's Buttons

An attractive clump forming lavender pink cornflower, with the unusual characteristic of being perennial and flowering In the first year. Easy to grow. adding height and interest to borders, as well as making a superb border cut flower. Height: 80-90cm (32-36in). First Year Flowering Perennial, flowering in June/July.
More info
    • 1 packet (80 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99

Alstroemeria 'Ligtu Hybrids'

Peruvian Lily

 Customer Rating
Invaluable long-lived border plants in numerous shades of pink, orange and scarlet with distinctive, contrasting stripe. One of the worlds' most popular cut flowers.
More info
    • 1 packet (35 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Meconopsis betonicifolia

Himalayan Blue Poppy, Tibetan Blue Poppy

 Customer Rating
Is there a more beautiful bloom in the entire flower kingdom then the famous Blue Poppy? It is only to be expected that an elusive, magical flower like this is a little harder to grow. The secret with this plant is to grow cool and well shaded. Height: 60-90cm (24-36in).
More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

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

Aquilegia x hybrida 'McKana Giants Mixed'

Columbine, Granny's Bonnet

Attractive free-flowering, long spurred mixture in a wide range of vibrant coloured blooms on strong stems, ideal for cutting. Outstanding garden performance.
More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
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    • £2.19

Astrantia major

Hattie's Pincushion, Masterwort

Silver to rose cushions of flowers, surrounded by a stiff ruff of ray-like bracts of a similar hue. Excellent colour foil. Very long lasting when cut. Height: 60-90cm (24-36in)
More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £3.49

Lobelia cardinalis 'Queen Victoria'

Cardinal Flower, Lobelia fulgens, Lobelia splendens

Tall spikes of deep maroon foliage topped by glowing scarlet blooms bring a welcome splash of late summer colour, when many flowers have already faded. This exotic looking, short lived perennial is ideal for filling gaps in damp borders, and looks spectacular planted beside ponds and streams. Height: 90cm (36”). Spread: 30cm (12”).
More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
    •  
    • £2.89