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PlantSnap
Plant Care
Bluntleaf bedstraw
(Galium obtusum)
Also Known As
Bluntleaf bedstraw, Blunt-leaved bedstraw, American bedstraw, Sweet-scented bedstraw
About This Plant
Galium obtusum is a perennial plant species that belongs to the Rubiaceae family. It is a small, spreading plant that grows up to 12 inches (30 cm) in height. The stems are square-shaped and have small, pointed leaves that grow in whorls of four. The flowers are small, white, and have four petals.
Plant Care Instructions
Outdoor Size Range
Up to 12 inches (30 cm)
Light Requirements
Galium obtusum prefers partial shade to full sun.
Humidity Needs
It prefers average humidity levels.
Fertilizing Schedule
It does not require much fertilizer, but a balanced fertilizer can be applied once a month during the growing season.
Pruning Guidelines
It does not require much pruning, but it can be cut back after flowering to encourage bushier growth.
Common Pests and Diseases
Galium obtusum is generally pest-free, but it can be susceptible to spider mites and whiteflies.
Indoor Size Range
N/A
Watering Schedule
It requires moderate watering, keeping the soil moist but not waterlogged.
Temperature Range
It can tolerate a wide range of temperatures, from 20°F (-6°C) to 100°F (38°C).
Growing Season
Galium obtusum grows from late spring to early fall.
Growing Difficulty Level
Galium obtusum is easy to grow and does not require much maintenance.
USDA Hardiness Zones
Galium obtusum is hardy in USDA zones 5 to 9.
Did You Know?
Galium obtusum is also known as 'dunce-cap bedstraw' because of the shape of its leaves, which were thought to resemble the caps worn by medieval dunce students.
