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About Common Buckthorn
Common Buckthorn is a relatively rare houseplant 🌿 that is isn’t challenging to grow and needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.
Your plant shouldn't need added fertilizers if you repot each time it doubles in size.
Common Buckthorn belongs to the Rhamnus genus, and is native to Europe to Western Siberia and Northwest China and Northwestern Africa.
⚠️ Common Buckthorn is not safe to consume. If you, a family member, or a pet has ingested any amount of plant material contact Poison Control, US (800) 222-1222, or your veterinarian. If you have children, cats, or dogs in the home, we suggest keeping this plant out of reach.
Taxonomy
Rhamnus cathartica
Rhamnus
Rhamnaceae
Rosales
Also known as
Buckthorn, Cathartic buckthorn and Purging buckthorn

How to care for Common Buckthorn

How often to water your Common Buckthorn

every 9
Common Buckthorn 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

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 Common Buckthorn in your home

a window
Common Buckthorn love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Common Buckthorn does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of Common Buckthorn in your home 🏡.

How to fertilize Common Buckthorn

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 Common Buckthorn after it doubles in size or once a year—whichever comes first.

Common Buckthorn 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
Common Buckthorn 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
Common Buckthorn 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
Common Buckthorn is not safe to consume. If you, a family member, or a pet has ingested any amount of plant material contact Poison Control, US (800) 222-1222, or your veterinarian. If you have children, cats, or dogs in the home, we suggest keeping this plant out of reach.
Fertilizer
Common Buckthorn 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 it’s refreshed yearly, you shouldn’t need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!
Growth Pattern
Common Buckthorn will branch off as it grows. To encourage branching, pinch off the newest growth at the tip and the stem will branch off into two.
Growing Outdoors
USDA Hardiness Zone
Common Buckthorn can be grown outdoors in USDA Hardiness Zones 3a-7b. Find your local hardiness zone here.
Care Summary for Common Buckthorn
Common Buckthorn
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.
