Cat Grass

Cat Grass

Dactylis glomerata

Family: Poaceae

Easy

Cat Grass is a mix of grasses (typically wheatgrass, oat, or barley) grown specifically for indoor cats to nibble. It aids digestion, provides fiber, and gives indoor cats a safe alternative to potentially toxic houseplants.

IndoorPet Safe Edible
Light
Bright indirect
Water
Every 3 days
Size
6" tall
Difficulty
1/5

Complete Care Guide

Light Requirements

Best near south or west-facing windows with sheer curtains. Wants lots of light but not direct sun rays hitting leaves.

Watering

Water when the top 1-2 inches of soil feel dry. Consistent moisture is preferred but brief dry periods are tolerated.

Typical schedule: every 3 days (adjust for season and environment).

Humidity

Average household humidity (40-50%) is usually fine. Misting occasionally or grouping with other plants can help during dry winter months.

Temperature

Keep between 5580°F (1327°C). Avoid cold drafts, heating vents, and sudden temperature changes.

Size & Growth

Mature size: approximately 6 inches tall × 6 inches wide. Growth rate is fast. Habit: bushy. Stays compact enough for desks and shelves.

Difficulty Level: 1/5

One of the easiest plants you can grow. Tolerates neglect, irregular watering, and imperfect conditions. Perfect for complete beginners and forgetful plant parents.

Quick Tips

  • Grows quickly from seed in 7-10 days
  • Keep soil moist but not waterlogged
  • Place in bright indirect light
  • Replace every 2-3 weeks when it starts to yellow
  • Safe for cats, dogs, and humans

Common Problems & Solutions

Brown leaf tips

Cause: Low humidity, inconsistent watering, or mineral buildup from tap water

Fix: Increase humidity with a pebble tray or humidifier. Use filtered water. Water on a consistent schedule.

Pale or leggy growth

Cause: Insufficient light — plant is stretching toward the nearest light source

Fix: Move to a brighter location. Rotate plant quarterly for even growth.

Drooping or wilting

Cause: Usually underwatering or sudden temperature change

Fix: Water thoroughly and ensure consistent moisture. Avoid cold drafts and heating vents.

Pet Safe

Cat Grass is non-toxic and safe for households with cats and dogs. Verified against the ASPCA Toxic and Non-Toxic Plant Database.

Best For

cat enrichmentpet healthwindowsillsquick growing project

Where to Buy

We may earn a commission from purchases at no extra cost to you.

Frequently Asked Questions

Is Cat Grass safe for cats and dogs?

Yes! Cat Grass is non-toxic to both cats and dogs according to the ASPCA. Safe to keep in homes with pets.

How often should I water Cat Grass?

Water approximately every 3 days, but always check the soil first. Water when the top 1-2 inches of soil feel dry. Consistent moisture is preferred but brief dry periods are tolerated. Adjust frequency based on season — less in winter, more in summer.

How much light does Cat Grass need?

Cat Grass prefers bright indirect conditions. Best near south or west-facing windows with sheer curtains. Wants lots of light but not direct sun rays hitting leaves.

How big does Cat Grass get?

Indoors, Cat Grass typically reaches about 6 inches (15 cm) tall with a spread of around 6 inches. Growth rate is fast. Size depends on pot size, light, and care.

Is Cat Grass good for beginners?

Yes! With a difficulty rating of 1/5, Cat Grass is very forgiving and suitable for beginners. It tolerates imperfect conditions and bounces back from mistakes.