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PlantSnap
Plant Care
Dusty miller
(Jacobaea maritima maritima)
Also Known As
Dusty miller, Sea samphire, Silver ragwort, Coastal ragwort
About This Plant
Jacobaea maritima maritima is a perennial herbaceous plant that grows up to 1 meter tall. It has silvery white leaves that are deeply lobed and covered with fine hairs. The plant produces yellow flowers in clusters that bloom from June to August.
Plant Care Instructions
Outdoor Size Range
24-36 inches (60-90 cm)
Light Requirements
Silver ragwort requires full sun to partial shade. It can tolerate some shade, but the plant will not grow as vigorously.
Humidity Needs
Silver ragwort prefers dry air and does not require high humidity levels.
Fertilizing Schedule
Fertilize the plant once a month during the growing season with a balanced fertilizer.
Pruning Guidelines
Prune the plant in the spring to remove any dead or damaged leaves. Pinch back the stems to encourage bushier growth.
Common Pests and Diseases
Silver ragwort is relatively pest-free, but it can be susceptible to aphids and spider mites.
Indoor Size Range
12-18 inches (30-45 cm)
Watering Schedule
Water the plant deeply once a week during the growing season. Reduce watering in the winter months.
Temperature Range
The plant can tolerate a wide range of temperatures, from 20-30°C (68-86°F) during the day and 10-15°C (50-59°F) at night.
Growing Season
The growing season for silver ragwort is from spring to fall.
Growing Difficulty Level
Silver ragwort is easy to grow and requires minimal maintenance.
USDA Hardiness Zones
Silver ragwort is hardy in USDA zones 8-10.
Did You Know?
Silver ragwort is native to the Mediterranean region and has been used for medicinal purposes for centuries. It was believed to have healing properties for a range of ailments, from coughs to wounds.
