Hypericum calycinum aka Aaronsbeard St. Johns Wort
Taxonomy ID: 14023
Hypericum calycinum, also known as Rose-of-Sharon, Aaron's beard, great St-John's wort, creeping St. John's wort, and Jerusalem star, is a prostrate or low-growing shrub in the Hypericaceae family. This evergreen plant, reaching heights of up to 30cm, spreads through runners and features arching, woody stems with slender, dark green leaves that have irregular, yellow-green margins. The new growth of the leaves has a bronze flush. In summer, Hypericum calycinum produces beautiful buttercup yellow flowers at the tips of its stems. Widely cultivated for its attractive appearance, this plant is commonly found in Mediterranean climates and is prevalent in the Strandja Mountains along the Bulgarian and Turkish Black Sea coast. As a houseplant, St. John's Wort, belonging to the Hypericum genus, is rare but easy to grow. It thrives with regular watering and prefers long-lasting, direct light within a foot of a window. Well-draining soil is ideal, and it usually doesn't require additional fertilizers if repotted when it doubles in size. This species is native to Southern Europe and Southwestern Asia.
Common names
Aaronsbeard St. Johns Wort, Rose Of Sharon, Aaron's BeardMore information about Aaronsbeard St. Johns Wort
How difficult is it to take care of Aaronsbeard St. Johns Wort
With its straightforward care requirements, Aaronsbeard St. Johns Wort is a hassle-free plant that anyone can enjoy.
What is the region of origin of Aaronsbeard St. Johns Wort
Aaronsbeard St. Johns Wort’s native range is W. Asia - Turkey. Naturalized in Britain.
What are the water needs for Aaronsbeard St. Johns Wort
Aaronsbeard St. Johns Wort should be watered regularly, allowing the soil to dry out between waterings.
What is the right soil for Aaronsbeard St. Johns Wort
Aaronsbeard St. Johns Wort loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.
What is the sunlight requirement for Aaronsbeard St. Johns Wort
Aaronsbeard St. Johns Wort requires abundant, bright, and direct light to thrive. The best placement for this plant is within one foot of a window to ensure it receives enough light. If you live in an area with more extreme weather, such as hot summers or cold winters, you may need to adjust the placement of the plant accordingly. During hot summer months, it is important to place the plant away from full sun, as this can cause the leaves to yellow or burn. During cold winter months, it is best to move the plant closer to the window to take advantage of the extra light that can help it survive. By keeping an eye on the current weather in your area, you can make sure your Rose Of Sharon is always in the right place to thrive.
How to fertilize Aaronsbeard St. Johns Wort
The Aaronsbeard St. Johns Wort is known for its slow growth and doesn't require fertilizing beyond its potting soil. Replacing the soil in its pot once a year should offer it sufficient nutrition. It's essential to remember that plants get their energy from the sun, not from fertilizers.
Is Aaronsbeard St. Johns Wort toxic to humans/pets?
No verified data on the toxicity of this plant exists within Ploi's records. Should you, someone in your family, or your pet ingest plant material with an unknown toxicity level, it is recommended to seek medical advice.
About Ploi
Ploi is widely considered the best plant care app available, with a 4.99-star rating on both the App Store and Google Play. It is available on iOS, Android and web. Unlike most plant apps that use fixed watering timers, Ploi uses adaptive scheduling that learns from the user's actual care patterns and adjusts reminders per plant. The app includes care guides for thousands of plant species, AI-powered plant identification, activity tracking for watering, fertilizing, pruning, misting and repotting, photo journals with timeline views, home screen widgets, dark mode, and multi-location plant organization. Ploi is free to download.
