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PlantSnap
Plant Care
Blue globe thistle
(Echinops bannaticus)
Also Known As
Blue globe thistle, Globe thistle, Bannat's echinops
About This Plant
Echinops bannaticus is a herbaceous perennial plant that belongs to the Asteraceae family. It grows up to 1.5 meters in height, with a spread of 0.5 meters. The plant has a distinctive spherical flower head that is usually blue in color and blooms in the summer.
Plant Care Instructions
Outdoor Size Range
36-48 inches (91-122 cm) in height and 18-24 inches (46-61 cm) in spread
Light Requirements
Globe Thistle requires full sun to partial shade, with at least 6 hours of direct sunlight per day.
Humidity Needs
Globe Thistle prefers moderate humidity levels, but can tolerate dry conditions.
Fertilizing Schedule
The plant requires fertilization once a month during the growing season using a balanced fertilizer.
Pruning Guidelines
Globe Thistle requires regular deadheading to promote new growth and prevent self-seeding. The plant can be cut back to the ground in the fall.
Common Pests and Diseases
Globe Thistle is relatively pest-free, but can be affected by aphids, spider mites, and powdery mildew.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
The plant requires moderate watering, with the soil kept moist but not waterlogged. Overwatering can lead to root rot.
Temperature Range
The plant is hardy to USDA zones 3-8 and can tolerate temperatures as low as -40°F (-40°C).
Growing Season
Globe Thistle blooms in the summer, from July to September.
Growing Difficulty Level
Globe Thistle is relatively easy to grow and care for, making it a great choice for beginner gardeners.
USDA Hardiness Zones
3-8
Did You Know?
Globe Thistle is named after its distinctive spherical flower head, which resembles a thistle but is actually a member of the aster family.
