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Description
Alcea Rosea Halo Cerise, commonly known as Hollyhock, is a biennial or short-lived perennial plant that belongs to the family Malvaceae. It is native to Asia and Europe but has spread to other parts of the world due to its ornamental value. It can grow up to 2-3 meters tall and 1-1.5 meters wide. The plant produces large, showy flowers that come in shades of pink, red, white, and yellow. The flowers bloom in summer and attract bees, butterflies, and other pollinators.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Malvales |
| Family | Malvaceae |
| Genus | Alcea |
Appearance
Alcea Rosea Halo Cerise has a tall, upright growth habit and can reach up to 2-3 meters in height. It produces rounded, lobed leaves that are velvety to the touch. The flowers of this plant are large and showy, with a diameter of up to 10cm. The flowers come in shades of pink, red, white, and yellow, and have a distinctive dark center. They bloom in summer and can last for several weeks.
Care Guide
Water
Alcea Rosea Halo Cerise requires moderate watering. It prefers well-drained soil and should not be allowed to sit in waterlogged soil. Water the plant deeply once a week, or more frequently during hot, dry weather.
Fertilization
The plant responds well to regular fertilization. Use a balanced fertilizer once a month during the growing season to promote healthy growth and abundant blooms.
Soil
Alcea Rosea Halo Cerise prefers well-drained soil that is rich in organic matter. It can tolerate a wide range of soil pH levels, from slightly acidic to slightly alkaline.
Sunlight
The plant requires full sun to partial shade. It should be planted in a location that receives at least 6 hours of direct sunlight per day.
Hardiness Zones
Alcea Rosea Halo Cerise is hardy in USDA zones 3-9.
Common Pests & Diseases
Alcea Rosea Halo Cerise is prone to rust, a fungal disease that causes orange-brown spots on the leaves. To prevent rust, avoid overhead watering and ensure good air circulation around the plant. The plant may also attract aphids, which can be controlled with insecticidal soap or neem oil.
Habitat
Alcea Rosea Halo Cerise is native to Asia and Europe but has been introduced to other parts of the world as an ornamental plant. It grows well in well-drained soil and requires full sun to partial shade.
Question and Answer
Q: Is Alcea Rosea Halo Cerise a perennial or an annual plant?
A: Alcea Rosea Halo Cerise is a biennial or short-lived perennial plant.
Q: What is the ideal soil pH level for Alcea Rosea Halo Cerise?
A: Alcea Rosea Halo Cerise can tolerate a wide range of soil pH levels, from slightly acidic to slightly alkaline.
Q: How often should I water Alcea Rosea Halo Cerise?
A: Water the plant deeply once a week, or more frequently during hot, dry weather.
Q: What is the ideal temperature range for Alcea Rosea Halo Cerise?
A: Alcea Rosea Halo Cerise grows best in temperatures between 18-25°C.
Related Plants
- Alcea Rosea ‘Chater’s Double’
- Alcea Rosea ‘Blacknight’
- Alcea Rosea ‘Nigra’
References
- https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/growing-hollyhocks.htm
- https://www.gardenia.net/plant/Alcea-rosea-Halo-Cerise-Hollyhock
- https://www.rhs.org.uk/plants/521/alcea-rosea/details
