Species Java waterdropwort
cluster of tiny, white flowers with dark-green stems, and toothed, green leaves

Java waterdropwort

Oenanthe javanica

Java waterdropwort (Oenanthe javanica) is a flowering plant found in Southeast Asia, India and tropical regions. It has a main stem filled with many branches and linear oblong-ovate leaves. Its small white flowers form panicles that droop from the stem. Fruit capsules with round seeds follow the flowers. It is commonly found in wet and marshy areas, near streams and rivers. Its bright green foliage and white flower clusters make it an attractive garden plant. Java waterdropwort can be implemented for specialized landscape applications such as water edges, bogs, and natural wetlands. It is an important plant in traditional medicine and provides sources of food for wildlife.

Cycle:

Herbaceous Perennial

Watering:

Frequent

Propagation:

Division,Cutting,Seed Propagation,Layering Propagation,Stem Propagation

Hardiness Zone:

3 - 9

Flowers:

White Flowers

Sun:

full sun,part shade

Leaf:

Yes

Leaf Color:

green

Growth Rate:

Low

Maintenance:

Moderate

Poisonous To Humans:

Yes

Poisonous To Pets:

Yes

Salt Tolerant:

Yes

Invasive:

Yes

Tropical:

Yes

Care Level:

Medium

watering

Java waterdropwort is a moisture-loving, semi-aquatic plant that prefers to stay consistently moist. It should be watered regularly, aiming for the soil around its roots to remain damp, but not fully saturated. It is best to water Java waterdropwort at least once every 2 days if temperatures are warm and the air is dry. If temperatures are cooler or the air is more humid, it can be watered every 3 to 4 days. Watering should take place in the morning and should ideally stop when the top layer of soil is damp. Any waterlogging or standing water should be avoided. Water the plant until water starts to drain from the bottom of the pot. This potted plant should also be placed in a tray of water.

sunlight

Java waterdropwort is a plant species that thrives in sunny, humid areas. It prefers full sun for large portions of the day and should have at least 6 hours of direct sun every day for proper growth and health. Java waterdropwort can tolerate some partial shade, but too much shade can stress the plant and cause it to become leggy and floppy. Therefore, in order to maintain the best growth conditions, this plant species should have uninterrupted access to ample amounts of direct sunlight for several hours daily.

pruning

Pruning of Java waterdropwort should take place twice a year in the spring and fall. In the spring, you can trim back the plant by 1/3 when it first emerges. For the fall trim, reduce the stems by 1/2 to encourage growth of new stems for the following year. If you notice any dead or damaged stems, remove them to promote healthy growth.

Season

Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Starts Flowering

Oenanthe javanica typically starts flowering in April.

Hardiness Map