Plant Care Cogon grass

Cogon grass

About Cogon grass

Japanese Bloodgrass is a perennial variety of cogongrass. It is considered one of the 10 worst weeds in the world. It has invaded 153 billion acres worldwide and over one million acres in Florida, displacing native species of plants. The red form is not invasive but can revert back to the green form which is aggressive.

Taxonomy

Imperata cylindrica
Imperata
Poaceae
Poales

Also known as

Sharp grass, Cogongrass and Kunai grass

How to care for Cogon grass

Water

How often to water your Cogon grass

Water needs for Cogon grass
0.5 cups
every 9

Cogon 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.

Water 0.5 cups every
9

Does your plant get direct sunlight?

Select the pot size

5"
Light

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 Cogon grass in your home

Light needs and placement for plant Cogon grass: 1ft from a window
1ft or less from
a window

Cogon grass love being close to bright, sunny windows 😎.

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

Cogon grass does not tolerate low-light 🚫.

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

Nutrients

How to fertilize Cogon grass

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

FAQs
Difficulty Level

Cogon grass 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
Toxicity
Soil
Fertilizer
Growth Pattern
Growing Outdoors
Propagation

Care Summary for Cogon grass

Cogon grass


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

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 Cogon grass

Discover rare plants

This plant is popular in