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PlantSnap
Plant Care
Hollowroot
(Corydalis cava)
Also Known As
Hollowroot, Corydalis, Brittlewort
About This Plant
Corydalis cava is a herbaceous perennial plant species that belongs to the family Papaveraceae. It is characterized by its delicate, fern-like foliage and clusters of pink, purple, or white flowers that bloom in early to mid-spring. The plant grows up to a height of 6-12 inches (15-30 cm) and spreads through underground rhizomes.
Plant Care Instructions
Outdoor Size Range
6-12 inches (15-30 cm)
Light Requirements
Corydalis cava prefers partial to full shade, especially in hot climates.
Humidity Needs
Corydalis cava prefers moderate to high humidity levels.
Fertilizing Schedule
The plant does not require regular fertilization but benefits from a light application of balanced fertilizer in the spring.
Pruning Guidelines
Corydalis cava does not require pruning, but deadheading spent flowers can encourage more blooms.
Common Pests and Diseases
The plant is generally not prone to pests and diseases, but aphids and slugs can occasionally be a problem.
Indoor Size Range
6-12 inches (15-30 cm)
Watering Schedule
The plant needs moderate watering, and the soil should be kept moist but not waterlogged.
Temperature Range
The plant grows well in cool to moderate temperatures ranging from 50-75°F (10-24°C).
Growing Season
Corydalis cava blooms in early to mid-spring and goes dormant in the summer.
Growing Difficulty Level
Corydalis cava is relatively easy to grow and is a good choice for novice gardeners.
USDA Hardiness Zones
Corydalis cava is hardy in USDA zones 4-8.
Did You Know?
The plant's genus name, Corydalis, comes from the Greek word 'korydalís,' which means 'crested lark,' referring to the shape of the plant's flowers.
