Hypericum Androsaemum

Description

Hypericum Androsaemum is a deciduous shrub species that belongs to the Hypericaceae family. It is commonly known as tutsan or sweet amber. This plant species is native to Europe and western Asia and is widely cultivated for its medicinal properties. It has a long history of use in traditional medicine for treating various ailments such as wounds, burns, and depression. Hypericum Androsaemum is a hardy plant that can grow up to 1.5 meters in height and spread up to 2 meters in width. It produces small, fragrant flowers that bloom in mid-summer and are followed by bright red berries in autumn.

Taxonomic Information

Appearance

Hypericum Androsaemum has an upright, bushy habit with woody stems and branches that are covered in smooth, gray-brown bark. The leaves are ovate or lanceolate in shape, up to 10 cm long and 4 cm wide, and have a glossy, dark green color. The flowers are small, up to 2 cm in diameter, and have five yellow petals with numerous stamens. They are arranged in terminal cymes and bloom from June to August. The fruit is a red, berry-like capsule that is up to 1 cm in diameter and contains numerous small, black seeds.

Care Guide

Hypericum Androsaemum is a low-maintenance plant that requires minimal care. It prefers a well-draining, fertile soil that is slightly acidic to neutral. It can tolerate partial shade but prefers full sun. Water the plant regularly during the growing season, especially during hot and dry weather. Fertilize the plant once a year in early spring with a balanced, slow-release fertilizer. Prune the plant in late winter or early spring to remove any dead or damaged branches and to maintain its shape. Hypericum Androsaemum is hardy in USDA zones 5-9.

Common Pests & Diseases

Hypericum Androsaemum is generally resistant to pests and diseases. However, it can be susceptible to fungal diseases such as powdery mildew and rust if grown in humid conditions. Aphids, spider mites, and scale insects can also infest the plant, causing yellowing leaves and stunted growth. To prevent these problems, ensure good air circulation around the plant and remove any infected or infested parts as soon as possible. Use insecticidal soap or horticultural oil to control pests if necessary.

Habitat

Hypericum Androsaemum is native to Europe and western Asia, where it grows in a variety of habitats such as hedgerows, woodlands, and scrublands. It prefers well-draining soils and can tolerate a range of pH levels. The plant is adapted to cold climates and is hardy in USDA zones 5-9. It is widely cultivated as an ornamental plant and for its medicinal properties.

Question and Answer

Q: Is Hypericum Androsaemum toxic to pets?

A: Yes, the berries of Hypericum Androsaemum are toxic to pets if ingested in large quantities.

Q: Can Hypericum Androsaemum be grown in containers?

A: Yes, Hypericum Androsaemum can be grown in containers as long as they are large enough to accommodate its root system and are filled with a well-draining potting mix.

Q: How often should I prune Hypericum Androsaemum?

A: Prune Hypericum Androsaemum once a year in late winter or early spring to remove any dead or damaged branches and to maintain its shape.

Q: Is Hypericum Androsaemum deer-resistant?

A: Yes, Hypericum Androsaemum is deer-resistant due to its bitter taste and toxic properties.

Related Plants

• Hypericum perforatum (St. John’s wort)
• Hypericum calycinum (Rose of Sharon)
• Hypericum frondosum (Golden St. John’s wort)
• Hypericum kalmianum (Kalm’s St. John’s wort)

References

• “Hypericum Androsaemum – Plant Finder.” Missouri Botanical Garden. Accessed December 15, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=h830.
• “Hypericum Androsaemum.” Royal Horticultural Society. Accessed December 15, 2021. https://www.rhs.org.uk/plants/6685/hypericum-androsaemum/details.
• “Hypericum Androsaemum.” University of Michigan – Michigan Flora. Accessed December 15, 2021. https://michiganflora.net/species.aspx?id=2467.