Plant Care Bristle Grass

Bristle Grass

Also known as

northern oat grass and spike trisetum


Trisetum spicatum

How to care for Bristle Grass


How often to water your Bristle Grass

Water needs for Bristle Grass
0.5 cups
every 9

Bristle 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

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 Bristle Grass in your home

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

Bristle Grass love being close to bright, sunny windows 😎.

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

Bristle Grass does not tolerate low-light 🚫.

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


How to fertilize Bristle Grass

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

Water Needs
Sunlight Needs

Care Summary for Bristle Grass

Bristle 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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