Sulfur buttercup

Ranunculus sulphureus

Ranunculus sulphureus is a perennial herbaceous plant that grows primarily in the boreal and subalpine regions of the Northern Hemisphere. It is a garden plant that attracts attention for its beautiful yellow flowers.

Growth Characteristics
- Environment: Ranunculus sulphureus prefers cool climates and thrives in environments with low average temperatures and high humidity.
- Soil: It prefers well-drained soil and grows well in slightly acidic soil.

Propagation Methods
- Seed Propagation: It can be easily propagated by seeds. It is best to sow in spring or early summer, and the germination period is relatively long.
- Division Propagation: It can also be propagated by separating and planting root clumps.

Cultivation Methods
- Planting Time: Spring or early summer is the optimal time.
- Spacing: It is recommended to plant with sufficient spacing between individual plants.
- Care: Pay attention to drainage to maintain adequate moisture, and it is advisable to use organic fertilizer as needed.

Uses in the Garden
- The yellow flowers of the Sulfur-leaved Watercress are very beautiful, making it suitable for use as a garden border or in rock gardens.
- Additionally, since it thrives even in cold climates, it is suitable for alpine botanical gardens.

Important Pests and Control Methods
- Powdery Mildew: Sulfur-leaved Watercress can be susceptible to powdery mildew. To prevent this, planting it in a well-ventilated area and using fungicides is effective.
- Aphids: Regular use of insecticides is necessary to prevent aphid infestations, and biological control methods using natural enemies can also be considered.

Sulfur-leaved Watercress is a relatively easy plant to care for; propagation and cultivation are straightforward provided the appropriate environment is provided. As a plant with high utility in the garden, it requires consistent attention and care.

Plant Type
Plant Family	Ranunculaceae
Height	5~15cm
Spread
Colors	yellow
Bloom Period	May to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-5°C

Minmaehwamareum
Ranunculus yezoensis

Pygmyus
Ranunculus pygmaeus