Plant Care northern water hemlock

northern water hemlock

Also known as

northern water hemlock and cowbane


Cicuta virosa

How to care for northern water hemlock


How often to water your northern water hemlock

Water needs for northern water hemlock
0.5 cups
every 9

northern water hemlock needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for northern water hemlock in your home

Light needs and placement for plant northern water hemlock: 1ft from a window
1ft or less from
a window

northern water hemlock love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

northern water hemlock does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of northern water hemlock in your home 🏡.


How to fertilize northern water hemlock

Nutrient, fertilizer, and repotting needs for northern water hemlock: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your northern water hemlock after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs
Growth Pattern

Care Summary for northern water hemlock

northern water hemlock

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

Trending in your area

Similar to northern water hemlock

Discover rare plants

This plant is popular in