Plant Care Blue Cohosh

Blue Cohosh

About Blue Cohosh

This plant is a perennial herb with an erect, simple stem, single leaf divided into threes. It has flowers in a terminal cluster which are 6-parted and a greenish-yellow. The fruit opens to expose 1-2 blue, fleshy seeds. They are found in the forest or natural area in moist woods.


Caulophyllum thalictroides

Also known as

Blue cohosh, Squaw root and Papoose root

How to care for Blue Cohosh


How often to water your Blue Cohosh

Water needs for Blue Cohosh
0.5 cups
every 9

Blue Cohosh 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 Blue Cohosh in your home

Light needs and placement for plant Blue Cohosh: 6ft from a window
6ft or less from
a window

Blue Cohosh can tolerate being far from a window and light source.

Place it less than 6 feet from a south-facing window to ensure it receives enough light to survive 💪.

Select your region to see how the current weather in your area affects the placement of Blue Cohosh in your home 🏡.


How to fertilize Blue Cohosh

Nutrient, fertilizer, and repotting needs for Blue Cohosh: 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 Blue Cohosh after it doubles in size or once a year—whichever comes first.

Difficulty Level

Blue Cohosh is generally easy to care for, though some plant parents report facing challenges with growing it. Check out the reviews down below to read more about their experiences!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Blue Cohosh

Blue Cohosh

Greg recommends:


0.5 cups every 9 days


< 6ft from a window


Repot after 2x growth

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

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