Kerria Japonica
About Kerria Japonica
Japanese Kerria is a deciduous shrub that grows up to 7' tall. It is meant for the shade garden. It needs a well-drained soil and medium fertilization. It has terminal bright yellow flowers that are 1" - 11" tall.
Taxonomy
Kerria japonica
Kerria
Rosaceae
Rosales
Also known as
Japanese Kerria, Japanese Kerria, Japanese rose, Japanese marigold bush, Miracle marigold bush, Yamabuki and Kerria

How to care for Kerria Japonica

How often to water your Kerria Japonica

every 9
Kerria Japonica needs 0.5 cups of water every 9 when it doesnāt get direct sunlight and is potted in a 5" pot located in Portland, Oregon.
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

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.
Portland, Oregon
26% Very Low

Growing Kerria Japonica in Portland right now
Plant growth potential is currently very low š
February 3rd, 2023
Sunlight intensity as measured by ānet radiationā in Portland is currently very low š.
The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in detā¦
Sunlight will increase by 55.7% āļø
February 4th, 2023
Portland is trending towards greater sunlight intensity!
The amount of sunlight in Portland is expected to increase by 55.7% over the next 2 weeks to an average of 9.0 megajoules of energy per m2 ā¦
Daylight will increase by 1.4 hours š
February 3rd, 2023
This month, Portland is getting an average of 7.3 hours of clear sky sunlight per day.
Hours of daylight will increase by 16.4% over the next two weeks. Your plants will get 10.3 total hours of daā¦
Finding light for Japanese Kerria in your home

a window
Kerria Japonica may have difficulty thriving, and will drop leaves š, without ample sunlight.
Place it less than 3 feet from a south-facing window to keep it happy during this time of reduced sunlight intensity in Portland, Oregon ā .

How to fertilize Kerria Japonica

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 itās likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Kerria Japonica after it doubles in size or once a yearāwhichever comes first.

Kerria Japonica 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
Kerria Japonica 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
Kerria Japonica may have difficulty thriving and will drop leaves š 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 š”.
Toxicity
Greg does not have confirmed data on this plantās toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, itās always best to consult a medical professional.
If you or someone else ingested this plant, call Poison Control atĀ US (800) 222-1222.Ā If a pet consumed this plant, contact your veterinarian or the ASPCA atĀ US (888) 426-4435.
Soil
Kerria Japonica 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
Kerria Japonica should be repotted after it doubles in size or once a year, whichever comes first. Fresh potting soil has all the nutrients your plant needs, so as long as itās refreshed yearly, you shouldnāt need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!
Growth Pattern
Kerria Japonica grows vertically and new growth will emerge from the top of the plant.
Growing Outdoors
USDA Hardiness Zone
Kerria Japonica can be grown outdoors in USDA Hardiness Zones 4a-9b. Find your local hardiness zone here.
Care Summary for Kerria Japonica
Kerria Japonica
Greg recommends:

0.5 cups every 9 days

< 3ft from a window

Repot after 2x growth
Based on your location in Portland, Oregon, the 4ā pot your plant is in, and that it doesnāt get direct sunlight.
