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 26 products.
 
Helleborus Purpurascens

Hellebore (Purple-flowered Christmas Rose)

Helleborus purpurascens

Rarely offered for sale as seed! This exquisite Helleborus produces clumps of robust, leathery foliage along with many large blooms, flushed in shades of purple, pink and even slate grey!

 More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £0.99
Helleborus Niger

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 seeds)

    • Despatch: Within 2 Days
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    • £0.69
Cyclamen Persicum Grandiflorum Scentsation Mixed

Cyclamen persicum grandiflorum 'Scentsation Mixed'

Florist's Cyclamen, Persian Cyclamen

 Lingering Freesia-like fragrance of one plant can fill a room. More info
    • 1 packet (10 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Tropaeolum Speciosum

Tropaeolum speciosum

Flame Nasturtium, Flame Flower, Flame Creeper
Flame Flower. Gorgeous scarlet flowered climber. Climbs to 180-300cm (6-10ft). More info
    • 1 packet (10 seeds)

    • Despatch: Within 2 Days
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    • £3.99
Meconopsis Betonicifolia

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 2 Days
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    • £2.99
Meconopsis cambrica Double Mixed

Meconopsis cambrica 'Double Mixed'

Welsh Poppy

 Welsh Poppy. An exclusive and rare mix of silky pom-pom blooms in orange, red and yellow. The Welsh Poppy is a breezy perennial for dappled shade, blooming from mid-spring right through to autumn. Occasionally an odd single flower may also appear. More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Cyclamen Neapolitanum Mixed

Cyclamen hederifolium 'Mixed'

Cyclamen neapolitanum, Sowbread
Carmine, light rose and white flowers with beautiful silver-marbled deep green foliage. Flowers often appear before the foliage. Evergreen very hardy, and will self seed. More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £4.29
Viola Hybrida Rose Shades

Viola hybrida 'Rose Shades'

Pansy

 A delightful bushy, compact and free flowering variety in delicious rose shades. Each bloom has an attractive yellow eye and darker whiskers, plus the added bonus of a sweet fragrance. Ideal for planting in spring or summer borders and containers. Height: 15-25cm (6-10in).

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

 More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £3.29
Eryngium Planum Blue Hobbit

Eryngium planum 'Blue Hobbit'

Sea Holly, Blue Eryngo
The world's first naturally dwarf variety! Compact plants produce neat, basal rosettes from which emerge decorative, silver-blue stems that form into large, globular flower heads containing hundreds of small blue flowers. Ideal for adding interest to the front of borders or to containers. Seeds sown from November to January require no pre-chilling and will usually flower in their 1st year. More info
    • 1 packet (15 seeds)

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

Pansy 'Can-Can Mixed' F1 Hybrid

Viola x wittrockiana

 A choreographed medley of dazzling frilly blooms. Layers of ruffled and wavy petals add a new dimension to the ever popular pansy. A fun and frivolous variety that merits centre stage in your garden. Radiant in borders, containers and flower pouches. 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 (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Bird Of Paradise - Dwarf

Strelitzia reginae (Dwarf)

Bird of Paradise

 Unparalleled beauty of colour and form. Fantastic, exotic flowers justly famous. Grow them in your own greenhouse. One of the most rewarding of plants, it will take quite a bit of abuse and careless handling. Flowers spring. Height: 60-90cm (24-36in). More info
    • 1 packet (7 seeds)

    • Despatch: Within 2 Days
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    • £4.99
Delphinium New Zealand Hybrids

Delphinium 'New Zealand Hybrids'

T&M are privileged to offer the results of a rigorous and exciting 11 year breeding programme by a world specialist. The 'New Zealand Hybrids' are a great improvement on the now discontinued Nobleman series. They have been specifically bred for exceptional perennial performance, and are outstanding in borders. The strong flower spikes with maximum, evenly spaced florets make them a great cut flower. Disease resistance is also advanced, offering protection against both powdery mildew and black spot. Add to this the impressive flower form and colour and you have the highest quality Delphiniums ever to be available from seed. T&M's exclusive mixture, known as 'New Zealand F1 Hybrids' offers a sumptuous range of bright blues, soft pinks and the purest whites. Beauty has never before been so freely available from seed . More info
    • 1 packet (12 seeds)

    • Despatch: Within 2 Days
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    • £4.99