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 54 products.
 

Cerastium tomentosum

Snow-in-summer

 Customer Rating

A low spreading rock plant with silvery leaves, topped by pure white flowers. Easy and attractive, particularly useful for quickly covering sunny banks etc. Each plant having a spread of 60cm (24in). Flowers late spring/summer.

More info
    • 1 packet (320 cerastium seeds)

    • Despatch: Within 1 days
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    • £0.69

Dianthus amurensis 'Siberian Blues'

Carnation, Pink

This charming hardy perennial forms neat mounds of blue-grey evergreen foliage that contrast beautifully with the lavender blue flowers. Dianthus amurensis 'Siberian Blue' blooms over a long period throughout summer on resilient, dense plants with a vigorous habit. Perfect for planting in rockeries, alpine troughs and at the front of borders where it will form useful low maintenance ground cover. Height: 38cm (15"). Spread: 30cm (12").

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

More info
    • 1 packet (100 dianthus seeds)

    • Despatch: Within 1 days
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    • £0.99

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.
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    • 1 packet (20 red hot poker seeds)

    • Despatch: Within 1 days
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    • £0.99

Hellebore 'Washfield Doubles'

Helleborus x hybridus

Breathtaking, double-flowered Hellebores from the Washfield collection, bred to perfection, adding sheer delight to your borders early each year. T&M are proud to continue the breeding work started over 20 years ago by Hellebore specialist Elizabeth Strangman, and want to share her passion for these intriguing plants with you. These delightful doubles are in a wide colour range including yellows, greens, blacks, reds, apricots and much more. Height: 45-60cm (18-24in).

Please note that stock of this item will be available from June 2012.
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    • 1 packet (10 hellebore seeds)

    • Despatch: By end of May 2016
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    • £0.99

Pansy 'Mello® 21' F1 Hybrid

Viola x wittrockiana

 Customer Rating

Mello® 21 has twenty one different shades and bicolours from black through to white. The flowers are an excellent size without being too big, smooth, well rounded, firm and upward facing on compact plants, held clear of the small foliage. A true spring, summer and winter flowering bedding or container pansy. Combining both cold hardy and heat tolerant genetic lines, it features formula mixing of seed to ensure as near as possible a balance of all 21 colours.


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

More info
    • 1 packet (30 pansy seeds)

    • Despatch: Within 1 days
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    • £0.99

Auricula 'Viennese Waltz'

Primula auricula

A spectacular selection of this Victorian favorite. Bright attractive clusters of bicoloured flowers stand above mid-green foliage, looking spectacular grown in individual pots or mixed together in spring flowering containers. More info
    • 1 packet (25 auricula seeds)

    • Despatch: Within 1 days
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    • £0.99

Pansy 'Padparadja' F2 Hybrid

Viola x wittrockiana

So intense is the effect of its solid orange blooms, it is unlikely there is anything to match it.

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

More info
    • 1 packet (50 pansy seeds)

    • Despatch: Within 1 days
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    • £0.99

Pansy 'Singing the Blues'

Viola x wittrockiana

This mixture of four enchanting colours, in shades and contrasts of blue, are not just pretty but the most sensational breakthrough in Violas for a decade. They were specifically bred for containers, baskets and ground cover, possessing a unique trailing habit. Above all they are wonderfully fragrant with a gorgeous, pervading sweet scent. Flowers appear in abundance and because they are tolerant to cold and heat, they can be grown all year round. Height: 2-3in Flowers spring/summer.


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

More info
    • 1 packet (25 pansy seeds)

    • Despatch: Within 1 days
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    • £0.69

Auricula 'Douglas Prize Mix'

Primula auricula

World-famous strain producing exotic bicolours, primrose yellow centres with rich velvet surrounds including carmine, maroon-carmine, coral pink, deep orange, maroon-black and many more. Ideal for partially shaded positions on rockeries or borders, or spring flower beds, pots, tubs etc. Flowers early spring. Height 23cm (9in). More info
    • 1 packet (90 auricula seeds)

    • Despatch: Within 1 days
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    • £2.99

Snail Vine

Vigna caracalla, Phaseolus caracalla, Snail Flower, Snail Bean, Corkscrew Flower

 Customer Rating
This quick growing, evergreen twining climber is a close relative to the runner bean, grown for its pendants of twisted flowers, like coiled snail shells, up to 5cm (2") across. The fascinating summer flowers are followed by cylindrical green fruits in late autumn. Requiring a minimum temperature of 15°C (59°F), Vigna caracalla is best grown in patio containers that can be moved indoors to a heated greenhouse or conservatory for the winter. Alternatively, grow snail vines outdoors as an annual. Height: 6m (20'). Spread: 2m (6').
More info
    • 1 packet (4 snail vine seeds)

    • Despatch: Within 1 days
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    • £0.99

Dianthus caryophyllus 'Trailing Carnations Mixed'

Wild Carnation

Travelling in the Alpine regions of Europe one is struck by the magnificent and visual impact of their window boxes, hanging baskets, pots, tubs etc. And then we realised that they make liberal use of pendulous carnations adding an extra slant in perspective and design. The colour range is mainly pink and red shades.

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

More info
    • 1 packet (100 dianthus seeds)

    • Despatch: Within 1 days
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    • £0.99

Hellebore (Christmas Rose)

Helleborus niger

Surprise your friends and neighbours with an arrangement of Christmas roses for the festive season! Beautiful blooms at a time when little else is available. From seed you can have a group quite close together in a way which would cost you a great deal if you bought the plants. They flower in about three years from seed and invariably produce stronger, healthier plants.

More info
    • 1 packet (40 hellebore seeds)

    • Despatch: Within 1 days
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    • £0.69