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PlantSnap
Plant Care
Common ragwort
(Jacobaea vulgaris)
Also Known As
Common ragwort, Stinking willie, Ragwort
About This Plant
Jacobaea vulgaris is a perennial herbaceous plant that is native to Europe and western Asia. It is commonly known as Common Ragwort and is a member of the Asteraceae family. This plant species is known for its bright yellow flowers that bloom in late summer.
Plant Care Instructions
Outdoor Size Range
24-60 inches (60-150 cm)
Light Requirements
Jacobaea vulgaris prefers full sun to partial shade. It can tolerate some shade, but blooms best in full sun.
Humidity Needs
Jacobaea vulgaris does not have any specific humidity requirements.
Fertilizing Schedule
This plant species does not require much fertilization. A light application of a balanced fertilizer in the spring can help promote growth and blooming.
Pruning Guidelines
Deadheading the spent blooms can help prolong the blooming period. The plant can also be cut back in the fall to prevent self-seeding.
Common Pests and Diseases
Jacobaea vulgaris is relatively pest-free, but can be susceptible to aphids and spider mites.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
This plant species prefers well-drained soil and does not like to be overwatered. Watering should be done sparingly, only when the soil is dry to the touch.
Temperature Range
This plant species can tolerate a wide range of temperatures, from as low as -20°F (-29°C) to as high as 100°F (38°C).
Growing Season
Jacobaea vulgaris blooms from July to October.
Growing Difficulty Level
Jacobaea vulgaris is easy to grow and can thrive in a variety of soil types and conditions. However, it is considered invasive in some areas and can be difficult to control once established.
USDA Hardiness Zones
Jacobaea vulgaris is hardy in USDA zones 3-9.
Did You Know?
Jacobaea vulgaris is toxic to livestock and can cause liver damage if ingested in large amounts.
