Pine needle water parsley

Apium leptophyllum

Apium leptophyllum is a plant belonging to the Apiaceae family and is characterized by its ability to thrive primarily in wetlands or near water. The following is information regarding the growth characteristics, propagation methods, cultivation methods, garden uses, and major pests and diseases, as well as control methods.

Growth Characteristics
- Habitat: It prefers humid environments and grows well near water or in wetlands.
- Growth: The stems grow long, and the leaves are thin and slender, resembling feathers.
- Flowering: Flowers bloom from late summer to autumn, appearing in clusters of small white blossoms.

Propagation Methods
- Seed Propagation: It propagates via seeds. Collecting seeds and sowing them in moist soil promotes germination.
- Division: It can be propagated by dividing the root sections. Carefully separating the rhizomes and planting them in different locations allows new plants to grow.

Cultivation Methods
- Soil: It grows well in well-drained soil rich in organic matter. - Water Management: It is important to provide sufficient water. Pay particular attention to ensuring there is no water shortage during the early growing season.
- Sunlight: Provide partial shade, but it grows faster in a sunny environment.

Uses in the Garden
- Ornamental: With its unique leaf shape and small flowers, it can be planted along garden edges or near water for ornamental purposes.
- Eco-Garden: It is useful for creating wetland gardens or biotopes and has value as a plant that supports the ecosystem.

Important Pests and Control Methods
- Diseases: While generally resistant to diseases, root rot can occur due to excessive moisture. Improve drainage to prevent this.
- Pests: Aphids can be a problem; if necessary, organic insecticides can be used for control.
- General Care: The occurrence of pests and diseases can be minimized through proper ventilation and weed removal.

Pine Needle Watercress is a relatively easy plant to care for, and introducing it to your garden can add a unique beauty.

Plant Type
Plant Family	Apiaceae
Height	15~70cm
Spread
Colors	white
Bloom Period	July to September
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-10°C

Celery
Apium graveolens

Celeriac
Apium graveolens var. rapaceum