Alcea rosea Jet Black Seeds - Hollyhock
Alcea rosea Jet Black Seeds - Hollyhock
Alcea rosea Nigra Jet Black
Hollyhock
Packet of seeds to sow in May/June, it's March and I don't have an opinion yet...
Christiane, 28/03/2022
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This plant carries a 6 months recovery warranty
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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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Description
The Hollyhock Jet Black (also known by its Latin names: Alcea rosea Nigra and Althaea rosea Nigra) very hardy perennial plant that develops tall spikes (1.50 m) of single, chocolate brown flowers with yellow centres, from June to August. From the mallow family, it is a typical cottage garden plant.
Widespread in our French countrysides where it bears many pretty common names, the hollyhock is often grown at the back of beds or placed against a wall to protect it from strong winds. Tall floral stems quickly shoot up from its small mounds of lobed leaves, reaching up to 1.5 m high.
Its flowers, in the form of large saucers, bloom in a staggered fashion, from June to August. During this period, they will attract bees and butterflies to your garden. The atypical colour of this hollyhock will allow for superb associations such as those proposed in our selection "Inspiration Rouge et Noir".
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Flowering
Foliage
Plant habit
Botanical data
Alcea
rosea
Nigra Jet Black
Malvaceae
Hollyhock
Cultivar or hybrid
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Planting and care
Sow hollyhocks from May to July. It takes 15 to 20 days for the young shoots to appear. Transplant the young plants when they have reached a height of 7 cm, 20 cm apart. In the following spring, place them in your beds, spacing them 40 to 50 cm apart. Staking is required if the area is not sheltered from winds. Avoid planting hollyhocks several years in a row in the same spot to prevent rust from appearing (a parasitic fungus in the form of orange powder) on the foliage. Remove the wilted floral stems in October.
Sowing period
Intended location
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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.