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PlantSnap
Plant Care
Dusty miller
(Centaurea cineraria cineraria)
Also Known As
Dusty miller, Silver dust, Cineraria
About This Plant
Centaurea cineraria cineraria is a perennial plant species native to the Mediterranean region. It is commonly known as Dusty Miller due to its silvery-gray foliage. The plant has a bushy growth habit and can reach up to 12 inches (30 cm) in height and 24 inches (60 cm) in width. It produces small, yellow flowers in the summer.
Plant Care Instructions
Outdoor Size Range
12-24 inches (30-60 cm)
Light Requirements
Centaurea cineraria cineraria prefers full sun but can tolerate partial shade. It is best to provide it with at least 6 hours of direct sunlight per day.
Humidity Needs
Centaurea cineraria cineraria can tolerate a wide range of humidity levels, but it prefers moderate to low humidity.
Fertilizing Schedule
The plant benefits from regular fertilization during the growing season with a balanced fertilizer. Be careful not to over-fertilize as this can lead to leggy growth.
Pruning Guidelines
Centaurea cineraria cineraria benefits from regular pruning to promote bushy growth and prevent legginess. Deadheading spent flowers can also encourage more blooms.
Common Pests and Diseases
Common pests for Centaurea cineraria cineraria include aphids, spider mites, and whiteflies. It can also be susceptible to powdery mildew.
Indoor Size Range
6-12 inches (15-30 cm)
Watering Schedule
The plant prefers well-draining soil and should be watered when the top inch of soil feels dry to the touch. Be careful not to overwater as this can lead to root rot.
Temperature Range
The plant prefers warm temperatures between 60-75°F (15-24°C). It can tolerate some cold temperatures but should be protected from frost.
Growing Season
The plant can be grown year-round in USDA hardiness zones 8-10, but it is typically grown as an annual in colder climates.
Growing Difficulty Level
Centaurea cineraria cineraria is relatively easy to grow and can be grown by gardeners of all skill levels.
USDA Hardiness Zones
USDA hardiness zones 8-10
Did You Know?
Centaurea cineraria cineraria has been used for its medicinal properties for centuries. It was believed to have anti-inflammatory and antiseptic properties and was used to treat wounds and skin conditions.
