Plant Care Common Buckthorn

Common Buckthorn

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.


Rhamnus cathartica

Also known as

Buckthorn, Cathartic buckthorn and Purging buckthorn

How to care for Common Buckthorn


How often to water your Common Buckthorn

Water needs for Common Buckthorn
0.5 cups
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.

Calculate water needs of Common Buckthorn

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 Common Buckthorn in your home

Light needs and placement for plant Common Buckthorn: 1ft from a window
1ft or less from
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

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

Difficulty Level

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
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Common Buckthorn

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.

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