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Dahlia variabilis 'Redskin'


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Dahlia variabilis 'Redskin'


Availability: Out of stock

Packet Size:1 gram
Average Seed Count:120 Seeds


Dahlia Redskin gives an impressive display. The rich dark bronze foliage serves as a dramatic background for the large, spectacular single flowers in a delightful mix of rich colours and includes shades of purple, orange, bronze, garnet and maroon.
It was the All American Selection winner of 1975. An excellent bedding plant as well as a cut flower.

Dahlias are straightforward to produce from seed they will flower 12 weeks from sowing until first frosts. Seed-raised Dahlias flower well especially towards the autumn, after which the tops will die off. They are generally treated as annuals though they produce a tuber to survive the winter, which can be dug up, stored and replanted the following year.

Sowing: Sow in spring for flowers 12 weeks from sowing.
Fill cells or pots with a free-draining, seed sowing compost, and stand in water so that the compost is thoroughly damp, then allow to drain. It is advisable at this point to use a suitable fungicide prior to sowing, to prevent damping-off disease (available from any garden centre)
Sow the seeds onto the surface of the compost and cover with a layer of vermiculite. Cover the trays with clear or milky polythene to maintain humidity, until the first seedlings are visible. Keep moist at all times.
Germination takes around 7 days at 18 to 20°C (65 to 68°F)

Once germination takes place, remove the cover and keep the seedlings moist.
As soon as the plants are large enough to handle, usually at around three weeks, prick out into 7cm (3in) pots to grow on at 15 to 18°C (59 to 65°F). Harden off and plant outdoors 30 to 45cm (12 to 18in) apart in soil with a good nutrient content.
Once the plants are established, a balanced liquid feed can be applied to promote flowering.
Take prevention against slugs – they love Dahlia seedlings!

Water well in summer, Dahlia do not like dry conditions. Feed weekly during the growing season and dead head regularly.
Since they don’t send down a tap root or long feeder roots the plants will easily be blown over by the wind. When the plants get to be a foot tall, be sure to begin tying them to stakes. Continue to tie them to the stake every 45cm (18in). If you grow four or more plants you may find it easy to run garden twine the full length of the row.
Good air circulation, especially near the ground is needed by the plants to prevent powdery mildew. Once the plants are several feet high the lower leaves can be removed to increase air circulation.
Cut flowers early or late in the day when the blooms almost fully open.

When the foliage begins to die back, cut stems to 15cm (6in) and lift the tubers. Store in straw, wood shavings, or vermiculite in a frost-free place. Divide tubers in spring and plant out once danger of frost has passed. The soil temperature should be at least 13°C (55°F). If planted before this temperature is reached may rot before they can sprout.


Native to Central America, the genus Dahlia was named in honour of Anders Dahl (1751-1789), an 18th century Swedish botanist. He was a pupil of Linnaeus. (the man responsible for the binomial system of naming plants, where the genus is followed by the species.)
Andreas Dahl regarded it as a vegetable rather than a garden flower, but interest switched from the edible tubers to the blooms when the first varieties with large, double flowers were bred in Belgium in 1815.
Although dahlias were discovered in the 16th century by Spanish conquistadors, not until 1872 was a box of tubers sent to Holland. Within a few years nearly every colour we now admire had been introduced and Victorian catalogues listed hundreds of varieties.
From just a handful of original species Dahlias have been hybridised over the centuries into an amazingly diversified genus, with plant sizes from 30cm to 200cm (1 to 7ft) tall, and flowers in almost any colour imaginable from 5cm to 30cm (2 to 12in) wide.

Additional Information

Additional Information

Packet Size 1 gram
Average Seed Count 120 Seeds
Family Asteraceae
Genus Dahlia
Species variabilis
Cultivar Redskin
Common Name Dahlia
Hardiness Half Hardy Annual
Flowers 7 to 10cm (3 to 4in) blooms
Natural Flower Time July to October
Height 50cm (20in)
Spread 35cm (14in)
Position Needs full sun to flourish
Soil Moist & fertile preferred
Germination 7 to 10 days at 18-20*C (65-68*F)
Notes Actually a perennial in warm areas, it is often grown as a half hardy annual

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