Plant Care Thale Cress

Thale Cress

Also known as

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

Taxonomy

Arabidopsis thaliana
Arabidopsis
Brassicaceae
Brassicales

How to care for Thale Cress

💦 Water

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
9

Does your plant get direct sunlight?

Select the pot size

5"
☀️ Light

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 🏡.

🪴 Nutrients

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.

💡 FAQs
💦 Water Needs

Thale Cress prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Mouse-Ear Cress Water Frequency →

Mouse-Ear Cress Root Rot →


☀️ Sunlight Needs

Thale Cress may have difficulty thriving and will drop leaves 🍃 without ample sunlight. Place it less than 3 feet from a window to maximize the potential for growth. Select your region to see how the current weather in your area affects the placement in your home 🏡.

Mouse-Ear Cress Light Requirements →

Mouse-Ear Cress Direct Sunlight Needs & Tolerance →


🐶 🐈 👶 Toxicity

Thale Cress is not known to cause harm to humans or pets. Regardless, if you, a family member, a cat, or dog has ingested any plant material, please consult a doctor or a veterinarian.

Is Mouse-Ear Cress Edible? →

Mouse-Ear Cress Toxicity to Cats →

Mouse-Ear Cress Toxicity to Dogs →

Mouse-Ear Cress Toxicity to Humans →


🌦️ Growing Outdoors
🍂 Yellow Leaves

Yellow leaves aren’t always a reason to panic, and can be a normal part of a plant’s life cycle. Unless brand new leaves are turning yellow or all the leaves change color at once, it’s likely just your plant shedding old leaves.

Overwatering and root rot are the most likely cause of problems in Thale Cress, since they are sensitive to wet soil. The leaves may also appear to be curling or drooping. Less often, yellow leaves are caused by underwatering, nutrient deficiencies, or pests.

Replace soggy soil with fresh, dry soil and download Greg to make sure your plant never gets overwatered again!


🧐 Troubleshooting

When troubleshooting a sad-looking houseplant, start by checking for signs of distress in its leaves, such as yellowing, browning, or drooping, which can indicate overwatering or nutrient deficiencies.

Inspect the soil moisture; too dry or too wet soil can cause problems.

Ensure the plant is getting the right amount of light, as too much or too little can stress it.

Finally, consider environmental factors like temperature and humidity, and adjust care routines accordingly to revive your plant.


Care Summary for Thale Cress

Thale Cress

Thale Cress


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 3ft 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.

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