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 41 products.
 

Echinacea purpurea 'Double Decker'

Coneflower

A very unusual purple-red flowered variety that produces predominantly single flowers in the first growing season, followed by a high percentage of these visually stunning 'twin' flowers in the second season, with the chance that some may even be fully double. These intriguing flowers grace tall, strong stems and make superb long lasting border perennials, attracting many beneficial insects to your garden.
More info
    • 1 packet (20 echinacea seeds)

    • Despatch: By end of July 2016
    •  
    • £0.99

Cyclamen 'All-the-year-round Flowering Mixed'

 Customer Rating
A balanced mixture of hardy garden varieties thriving in shade or woodland, chosen from species flowering at most periods of the year. Height: 8-15cm (3-6in).
More info
    • 1 packet (16 cyclamen 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
    •  
    • £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.

We pay great care and attention to our Hellebore Washfield Mixed seed production. Trained staff painstakingly pollinate each flower by hand twice to produce the best possible quality seed. All of our seed is harvested at the peak of freshness in May and June and is then immediately packed and shipped straight out to our customers. Hellebore seed germinates at its best when sown within a month of harvest so we recommend that you sow your seeds as soon as you receive them. Height: 45-60cm (18-24in).
More info
    • 1 packet (10 hellebore seeds)

    • Despatch:
    •  
    • £0.99
    • Out of stock

Echinacea x hybrida 'Magic Box'

Coneflower

One of the most comprehensive mixtures of colours available. Each bloom has been carefully selected and bred by our flower breeders for its stunning form as well as its superior garden performance. The tall colourful flowers look fabulous in borders or in a vase in the house.

More info
    • 1 packet (30 echinacea seeds)

    • Despatch: Within 1 days
    •  
    • £3.49

Heteropappus meyendorfii 'Blue Knoll'

Seed of this amazing new garden plant can be sown early in the year* and by the same autumn will be completely smothered in hundreds and thousands of shiny, light reflecting flowers, forming perfect mounds (or knolls) 30cm (12in) high and 45cm (18in) across. During a season when little else is in flower, they are a perfect fit for a change in containers or will brighten up the border, looking like blue charm chrysanthemums. No matter what the weather conditions - torrential rain, snow or frost they continue to look far and away the best, brightest plant in the garden, even right through November. *Sow during January/February to flower in October/November. Sow September/October to flower following September/October. More info
    • 1 packet (50 heteropappus seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Geranium 'Horizon Coral Spice' F1 Hybrid

Pelargonium x hortorum, Zonal Geranium, Zonal Pelargonium

A gorgeous new warm colour in geraniums. Large, well rounded, bright coral flower heads above lightly zoned foliage. With vigorous performance, it will flower nonstop until first frosts.
Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.
More info
    • 1 packet (6 geranium seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Echinacea purpurea 'Lustre Hybrids'

Coneflower

A robust, long-lived border plant with superb flowering performance and excellent weather resistance. This very attractive mixture offers shades of pink and red as well as glistening white. Excellent for borders or makes a high quality cut flower. Prefers a light, well-drained soil in full sun. Height 45-60cm (18-24in).
More info
    • 1 packet (25 echinacea seeds)

    • Despatch:
    •  
    • £0.99
    • Out of stock

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 hellebore seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Arum Lily

Zantedeschia aethiopica, Calla Lily

A soothing sight by the waterside, in moist borders or large containers. These robust plants produce glossy foliage shooting like arrows from the base, then from late spring to mid-summer, the beautiful, pure white Arum Lily blooms become a sparkling attraction. Hardy with dry mulch winter protection. More info
    • 1 packet (20 arum seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Gerbera jamesonii 'T&M Mixed' F2 Hybrid

Barberton Daisy, Transvaal Daisy

Fast growing and early to flower, this special T&M blend of large- bloomed gerbera make spectacular house plants. Perfect for the patio in summer and a sunny windowsill or glasshouse during the cooler months, they'll provide months of vibrant colour. The flowers are of the very best quality and make excellent cut flowers. Height: 30-40cm (12-16"). More info
    • 1 packet (30 gerbera seeds)

    • Despatch: Within 1 days
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    • £2.99

Veronica (Mixed Colours)

Speedwell

T&M have blended a mixture of species which are fantastic front of border or rockery plants. Producing many erect spikes, full of tiny flowers that create much impact in a complementary range of colours - orchid pink, royal blue, white, rose and light blue. Flower summer. Height: 30-35cm (12-14in). More info
    • 1 packet (50 Veronica seeds)

    • Despatch: Within 1 days
    •  
    • £3.69