Dahlia Black Wizzard
Dahlia Black Wizzard
Dahlia Black Wizzard
Dahlia
This plant carries a 6 months recovery warranty
More information
We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Dahlia Black Wizzard in pictures
Plant habit
Flowering
Foliage
Botanical data
Dahlia
Black Wizzard
Asteraceae
Dahlia
Other Cactus Dahlia
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Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Planting and care
Their cultivation poses no difficulty, however they prefer a rich and deep soil, even clayey, fresh but not too wet. It is essential to enrich a poor, sandy or stony soil each year with compost or well-decomposed manure. Beware of slugs! They are formidable with young shoots. We have experienced losing dahlia tubers in the garden because slugs were eating all the emerging buds, UNDERGROUND, without us seeing them. After a few weeks, having also suffered from their winter dryness, the poor dahlias completely exhausted all the reserves in their tubers and died. How many times did we think the dahlias were dead, when they were simply being devoured? Today, when we plant dahlias in areas infested with slugs, we take care to start their growth by planting them in pots first. When the stems have reached about 20cm (8in) in height, we transplant them into the ground because slugs are less fond of well-established stems, and it is also easier to intervene, as the damage occurs on the visible parts and no longer underground. For overwintering, you have two options: in mild coastal regions and wherever severe cold spells are short-lived, you can leave the tubers in the ground; cut the stems to 10cm (4in) above the ground in November, then mulch the stump with a litter layer of dead leaves, that's enough. Otherwise, you can dig up the plants at the first frost or just before, cut the stems to 10cm (4in) above the tuber, shake them to remove most of the soil, but never wash them. Let them dry for a few days in a ventilated place, then store them in a crate in a dry and preferably unheated room.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.