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PlantSnap
Plant Care
Corn buttercup
(Ranunculus arvensis)
Also Known As
Corn buttercup, Field buttercup, Buttercup
About This Plant
Ranunculus arvensis is a species of flowering plant in the family Ranunculaceae, native to Europe and western Asia. It is an annual herbaceous plant with bright yellow flowers and deeply divided leaves.
Plant Care Instructions
Outdoor Size Range
Height: 4-24 inches (10-60 cm), Spread: 4-12 inches (10-30 cm)
Light Requirements
Corn buttercup requires full sun to partial shade. It prefers full sun in cool climates and partial shade in warmer climates.
Humidity Needs
Corn buttercup prefers moderate humidity levels, but it can tolerate lower humidity levels.
Fertilizing Schedule
Fertilize once a month during the growing season with a balanced fertilizer. Avoid over-fertilizing as it can lead to leggy growth and reduced flowering.
Pruning Guidelines
Deadhead spent flowers regularly to encourage more blooms. Cut back the plant after flowering to prevent self-seeding and to encourage a second flush of growth.
Common Pests and Diseases
Common pests include aphids, slugs, and snails. Diseases that can affect corn buttercup include powdery mildew and botrytis.
Indoor Size Range
Not suitable for indoor cultivation
Watering Schedule
It prefers evenly moist soil but can tolerate some drought. Overwatering can lead to root rot, so it's important to make sure the soil is well-draining.
Temperature Range
It prefers cool temperatures between 50-70°F (10-21°C), but it can tolerate higher temperatures up to 85°F (29°C) for short periods.
Growing Season
Corn buttercup blooms from late spring to early summer.
Growing Difficulty Level
Corn buttercup is moderately easy to grow. It requires well-draining soil and regular watering, but it can tolerate some drought. It can be grown from seed or purchased as a plant.
USDA Hardiness Zones
Corn buttercup is hardy in USDA zones 3-9.
Did You Know?
The name 'buttercup' comes from the plant's yellow flowers, which were thought to resemble a cup of butter.
