Plant Care Thale Cress

Thale Cress

Also known as

Mouse-Ear Cress, Mouse-Ear Cress, Thale cress and Arabidopsis


Arabidopsis thaliana

How to care for Thale Cress


How often to water your Thale Cress

Water needs for Thale Cress
0.5 cups
every 9

Thale Cress 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 Thale Cress

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 Mouse-Ear Cress in your home

Light needs and placement for plant Thale Cress: 3ft from a window
3ft or less from
a window

Thale Cress may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to maximize the potential for growth.

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


How to fertilize Thale Cress

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

Water Needs
Sunlight Needs

Care Summary for Thale Cress

Thale Cress

Thale Cress

Greg recommends:


0.5 cups every 9 days


< 3ft 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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