Plant Care Field Pennycress

Field Pennycress

About Field Pennycress

Field Pennycress is an annual weed in the mustard family. It is native to Eurasia and is found in fields, along roadways and disturbed areas. The mustard-garlic flavor of the leaves is not a favorite of grazing animals. Dairy cows' milk is affected if they eat it.


Thlaspi arvense

How to care for Field Pennycress


How often to water your Field Pennycress

Water needs for Field Pennycress
0.5 cups
every 9

Field Pennycress 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 Field Pennycress

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 Field Pennycress in your home

Light needs and placement for plant Field Pennycress: 1ft from a window
1ft or less from
a window

Field Pennycress love being close to bright, sunny windows 😎.

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

Field Pennycress does not tolerate low-light 🚫.

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


How to fertilize Field Pennycress

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

Difficulty Level

Field Pennycress can be challenging to care for, according to some plant parents. Check out the reviews down below to learn from their experiences!

Water Needs
Sunlight Needs
Growth Pattern

Care Summary for Field Pennycress

Field Pennycress

Field Pennycress

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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