Guwagamaksari

Bidens radiata var. pinnatifida

Growth Characteristics

Bidens radiata var. pinnatifida is a perennial herbaceous plant belonging to the Asteraceae family. It typically grows to a height of 30–70 cm, and its leaves are feather-like in shape. It blooms with small yellow flowers from summer to autumn and is a plant that grows primarily in the wild.

Propagation Methods

This plant is mainly propagated by seeds. It is best to sow seeds in spring or early summer, as the germination rate is high. Since the germination period is 2–3 weeks, consistent care is required. Additionally, as Bidens radiata grows with shallow roots, providing adequate moisture is important.

Cultivation Methods

Bidens radiata thrives in sunny locations, so it is best to plant it in a well-lit spot. It grows healthily in well-drained soil, so areas that are too wet or where water pools should be avoided. Furthermore, regular weeding and proper fertilization are beneficial for its growth.

Uses in the Garden
The small, beautiful flowers of the Gwagamaksari can add a bright and cheerful atmosphere to your garden. It pairs well with borders and rock gardens, making it suitable for landscaping that creates a natural feel.

Important Pests and Control Methods
Gwagamaksari is generally resistant to pests and diseases; however, fungal diseases may occasionally occur due to excessive moisture. These issues can be prevented through proper watering and periodic ventilation. If insects appear, using natural insecticides immediately is effective. If necessary, using pesticides specifically designed for pests is also an option.

Based on the information above, you should be able to successfully cultivate Gwagamaksari. We hope you enjoy the natural beauty this plant offers in your garden.

Plant Family	Asteraceae
Height	15~70cm
Colors	yellow
Bloom Period	August~September
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-10°C

yellow devil's needle
Bidens polylepis

Gamasari
Bidens tripartita