Plant Care Black Mondo Grass

Black Mondo Grass


Ophiopogon Japonicus Nigrescens

How to care for Black Mondo Grass


How often to water your Black Mondo Grass

Water needs for Black Mondo Grass
0.5 cups
every 9

Black Mondo Grass 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.

Calculate water needs of Black Mondo Grass

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 Mondo Grass in your home

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

Black Mondo Grass love being close to bright, sunny windows 😎.

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

Black Mondo Grass does not tolerate low-light 🚫.

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


How to fertilize Black Mondo Grass

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

Water Needs
Sunlight Needs

Care Summary for Black Mondo Grass

Black Mondo Grass

Black Mondo Grass

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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