Plant Care Great Willowherb

Great Willowherb

Also known as

Flowering-willow, Flowering-willow, French-willow, Fireweed, Chamaenerion angustifolium, Great willowherb and Rosebay willowherb


Epilobium angustifolium

How to care for Great Willowherb


How often to water your Great Willowherb

Water needs for Great Willowherb
0.5 cups
every 9

Great Willowherb 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 Great Willowherb

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 Flowering-willow in your home

Light needs and placement for plant Great Willowherb: 1ft from a window
1ft or less from
a window

Great Willowherb love being close to bright, sunny windows 😎.

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

Great Willowherb does not tolerate low-light 🚫.

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


How to fertilize Great Willowherb

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

Difficulty Level

Great Willowherb is generally easy to care for, though some plant parents report facing challenges with growing it. Check out the reviews down below to read more about their experiences!

Water Needs
Sunlight Needs
Growing Outdoors

Care Summary for Great Willowherb

Great Willowherb

Great Willowherb

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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