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PlantSnap
Plant Care
Rapeseed
(Brassica napus)
Also Known As
Rapeseed, Canola, Oilseed rape, Colza
About This Plant
Brassica napus is a species of the mustard family, Brassicaceae, cultivated for its oil-rich seed, which is used for cooking, biodiesel production, and animal feed. It is commonly known as rapeseed, oilseed rape, or canola. The plant is an annual or biennial herbaceous plant that can grow up to 1.5 meters tall.
Plant Care Instructions
Outdoor Size Range
24-36 inches (60-90 cm) tall and 12-18 inches (30-45 cm) wide
Light Requirements
Rapeseed plants require full sun to grow properly, and they need at least six hours of sunlight per day.
Humidity Needs
Rapeseed plants do not have any specific humidity requirements and can tolerate a wide range of humidity levels.
Fertilizing Schedule
Rapeseed plants require nitrogen-rich fertilizers during the growing season to support their rapid growth. A balanced fertilizer with a ratio of 10-10-10 is ideal.
Pruning Guidelines
Rapeseed plants do not require pruning, but trimming back the top of the plant can help promote bushier growth and increase yield.
Common Pests and Diseases
Common pests that can affect rapeseed plants include flea beetles, aphids, and diamondback moths. Diseases that can affect rapeseed plants include blackleg and clubroot.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
Rapeseed plants require regular watering, especially during the growing season. The soil should be kept moist, but not waterlogged.
Temperature Range
Rapeseed plants prefer cool temperatures between 55-75°F (13-24°C). They can tolerate frost and light freezes, but prolonged exposure to freezing temperatures can damage the plant.
Growing Season
Rapeseed is typically grown in the fall or spring, depending on the climate. In warmer climates, it is typically grown in the fall, while in cooler climates, it is typically grown in the spring.
Growing Difficulty Level
Rapeseed is moderately difficult to grow, as it requires specific soil conditions, regular watering and fertilization, and protection from pests and diseases.
USDA Hardiness Zones
Rapeseed can be grown in USDA hardiness zones 3-11.
Did You Know?
Rapeseed oil was first produced in the 19th century as a source of lamp oil. It was not until the 1970s that it became a popular cooking oil, after researchers developed a new variety of rapeseed with lower levels of erucic acid, which made it safe for human consumption.
