Cognarled jas

Najas minor

Najas minor is an aquatic plant that grows primarily in freshwater. The following is information regarding this plant's growth characteristics, propagation methods, cultivation methods, garden uses, and pest and disease control methods.

Growth Characteristics
- Najas minor is an annual herbaceous plant that thrives in shallow waters, lakes, and streams.
- It typically grows to a height of 20–50 cm, and its leaves are long, lance-shaped, thin, and serrated.
- It grows well in clear water where sufficient photosynthesis is possible.

Propagation Methods
- It is primarily propagated by seeds and spreads along the water flow.
- Additionally, if a portion of the stem is cut or separated, that part can grow into a new individual.

Cultivation Methods
- It is important to provide sufficient sunlight and an appropriate water depth.
- It generally prefers a water temperature of 15–25°C.
- It must be grown in clean water free from chemicals or pollutants. Use in Gardens
- It is primarily used in water gardens or small ponds and can contribute to water purification.
- It helps create a natural and healthy aquatic ecosystem.

Important Pests and Control Methods
- Generally, pests and diseases are rare, but in some cases, it may be infected with aquatic diseases such as mud mold.
- For control, it is important to manage water circulation and prevent the influx of pollutants.
- It is advisable to minimize chemical control and use natural water quality management methods.

Although Sargassum fusiforme is a relatively easy aquatic plant to care for, continuous management of water quality and the growing environment is important for healthy growth.

Plant Family	Najas and
Height	30cm
Colors	yellow
Bloom Period	July to September
Water Needs	well
Exposure	Sunny
Freezing Resistance	-10°C

Large cogwheel Najas
Najas oguraensis

Minnajasmal
Najas marina