Hypericum ascyron aka Great St. Johnswort

Great St. Johnswort should be watered regularly, allowing the soil to dry out between waterings.

Great St. Johnswort 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.

To ensure optimal growth, the Great St. Johnswort prefers bright diffused light for 6-8 hours each day. Insufficient light can result in slow growth and leaf drop, so it's important to find a well-lit location for this plant. Place it near a window, within a distance of 1 meter (3 feet), to enhance its potential for thriving.

Ploi does not possess verified information regarding the toxicity of this particular plant. In the event that you, a member of your family, or a pet ingests plant material with an unclear toxicity level, it is highly recommended to seek the advice of a medical professional.

The growth of Great St. Johnswort is gradual and it doesn't necessitate any additional fertilizers. Replacing the soil in its pot once a year should suffice to provide the plant with sufficient nutrition. It's important to keep in mind that plants derive their energy from the sun's rays, not fertilizers.

New growth will sprout from the top of the plant as it grows upwards.

Great St. Johnswort’s native range is N. America - Quebec to Manitoba, south to Kansas, Iowa and Missouri. E. Asia.