Plant Care Black Bulrush

Black Bulrush

About Black Bulrush

Black Bulrush is a super rare houseplant 🌿 that is easy to grow and needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

Black Bulrush likes soil that is well draining.

Black Bulrush belongs to the Scirpus genus, and is native to North America.


Scirpus atrovirens

Also known as

dark-green bulrush, dark green bulsedge, black bulrush and green bulrush

How to care for Black Bulrush


How often to water your Black Bulrush

Water needs for Black Bulrush
0.5 cups
every 9

Black Bulrush 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 Black Bulrush in your home

Light needs and placement for plant Black Bulrush: 1ft from a window
1ft or less from
a window

Black Bulrush love being close to bright, sunny windows 😎.

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

Black Bulrush does not tolerate low-light 🚫.

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


How to fertilize Black Bulrush

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

Difficulty Level

Black Bulrush is generally considered an easy-to-care-for plant and makes a great choice for beginners!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Black Bulrush

Black Bulrush

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.

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