Alcea rosea Mars Magic - Hollyhock
Alcea rosea Mars Magic - Hollyhock
Alcea rosea Mars Magic
Hollyhock
Even though it is in a not very large pot, it has grown to over two metres and is full of wonderful red flowers. I bought it two years ago, but they sent me another one with a pink flower, but this year it was the right one. I wish I could post the photos so you could see them.
monistrol11@gmail.com, 06/05/2025
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Description
Fruit of 18 years of selection, the Alcea rosea 'Mars Magic' or hollyhock is a recent variety belonging to the 'Spotlight' series that produces very perennial plants with flowers in pure colours. In July-August, on sturdy stems, this plant offers a quantity of single and ephemeral flowers in well-opened cups, of a very pure light red that can be seen from afar. It prefers poor and rocky soils, drought resistant, and prefers warm locations.
The 'Mars Magic' hollyhock is also known by its Latin name Althaea rosea 'Mars Magic'. From the mallow family, it is native to Asia Minor and often naturalized in natural gardens, fallow fields, and heaps of earth.
This 'Mars Magic' variety is part of an improved series developed in Germany, with plants that show stable colours and are truly perennial and not biennial. This is an upright plant, usually unbranched, that can reach a height of 1.50 to 1.80 m (5 to 6ft). It forms a rosette of rounded leaves from which a rapid growing, robust floral stem emerges. From June to August these spike inflorescences are covered with staggered large buds that open from the bottom to the top, into large single flowers that only last for a day. They have a rare shade, a bright and light red, and a silky texture that beautifully reflects light. Throughout this period, they will attract bees and butterflies to your garden. The flowering gives way to many fruits filled with seeds that spontaneously reseed in the most unexpected areas, such as the base of walls, in poor and rocky soils, and in wall crevices.
Very common in abandoned gardens or fallow fields in our countryside, the hollyhock is often grown at the back of borders or against a wall that protects it from strong winds. The cheerful and very bright colour of this variety will allow you to create superb combinations with pink, black, or white, single or double forms. The hollyhock is an edible plant, the flower buds can be consumed raw in salads and the young leaves raw or cooked.
The hollyhock is both ornamental and medicinal. Its seeds yield an oil with drying properties. Rich in mucilage, it has soothing, emollient, expectorant, laxative, and appetizing properties.
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Alcea rosea Mars Magic - Hollyhock in pictures
Flowering
Foliage
Plant habit
Botanical data
Alcea
rosea
Mars Magic
Malvaceae
Hollyhock
Cultivar or hybrid
Planting and care
The hollyhocks appreciate warm situations, sunlight, and adapt to ordinary soil, even clayey, limestone, poor or stony. These plants with taproot do not really appreciate transplantations when they are too developed. Care must be taken not to break the taproot during handling. The rosea species is resistant to drought and is very hardy, it fears slugs and is particularly sensitive to rust. It must be protected from excess humidity and treated preventively with a fungicidal.
In October, remove the faded flower stalks.
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).
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.
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