Great Willowherb
Also known as
Flowering-willow, Flowering-willow, French-willow, Fireweed, Chamaenerion angustifolium, Great willowherb and Rosebay willowherb
Taxonomy
Epilobium angustifolium
Epilobium
Onagraceae
Myrtales
How to care for Great Willowherb
Water
How often to water your Great Willowherb
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.
Water 0.5 cups every
9
Light
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
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 🏡.
Nutrients
How to fertilize Great Willowherb
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.
FAQs
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
Great Willowherb 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.
Sunlight Needs
Great Willowherb requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.
Toxicity
Great Willowherb 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.
Soil
Great Willowherb does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!
Fertilizer
Great Willowherb is a fast growing plant and may deplete the nutrients in its soil over time. Replenish them with a gentle organic fertilizer or compost every 1-2 months depending on your location and season. Fertilize more often during the growing season and in warmer and brighter climates.
Growing Outdoors
USDA Hardiness Zone
Great Willowherb can be grown outdoors in USDA Hardiness Zones 3a-7b. Find your local hardiness zone here.
Propagation
The seeds of Great Willowherb can be used to grow new plants! After your plant flowers, any seeds that formed can be collected and germinated in potting soil.
Care Summary for Great Willowherb
Great Willowherb
Greg recommends:
Water
0.5 cups every 9 days
Placement
< 1ft 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.
