Plant Care European Wallflower

European Wallflower

Also known as

grey rocket, hawkweed-leaved mustard and tall wormseed mustard


Erysimum hieraciifolium

How to care for European Wallflower


How often to water your European Wallflower

Water needs for European Wallflower
0.5 cups
every 9

European Wallflower 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 European Wallflower in your home

Light needs and placement for plant European Wallflower: 1ft from a window
1ft or less from
a window

European Wallflower love being close to bright, sunny windows 😎.

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

European Wallflower does not tolerate low-light 🚫.

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


How to fertilize European Wallflower

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

Water Needs
Sunlight Needs

Care Summary for European Wallflower

European Wallflower

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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