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Description
Hypericum Olympicum Sulphureum, also known as Olympic St. John’s Wort, is a perennial plant that belongs to the Hypericaceae family. This plant is native to Europe and Asia, and it is commonly grown in gardens for its attractive flowers and foliage.The plant can grow up to 1.5 meters tall and 1 meter wide, and it has a bushy habit. The leaves are narrow and lance-shaped, and they are a grayish-green color. The flowers are bright yellow and have five petals, and they bloom from mid-summer to early fall.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Malpighiales |
| Family | Hypericaceae |
| Genus | Hypericum |
Appearance
Hypericum Olympicum Sulphureum is a beautiful plant that adds color and interest to any garden. The plant has a bushy habit and grows up to 1.5 meters tall and 1 meter wide. The leaves are narrow and lance-shaped, and they are a grayish-green color. The flowers are bright yellow and have five petals, and they bloom from mid-summer to early fall.The plant prefers full sun to partial shade and well-drained soil. It is a hardy plant that can tolerate a wide range of temperatures and humidity levels.
Care Guide
Hypericum Olympicum Sulphureum requires minimal care to thrive. Here are some tips to keep your plant healthy:- Water: The plant prefers moist soil, but it can tolerate some drought. Water your plant regularly, especially during hot and dry periods.- Fertilization: The plant does not require much fertilizer, but you can feed it with a balanced fertilizer once or twice a year.- Soil: The plant prefers well-drained soil that is rich in organic matter. You can amend the soil with compost or peat moss to improve its texture and fertility.- Sunlight: The plant prefers full sun to partial shade. Make sure it gets enough sunlight to promote healthy growth and flowering.- Hardiness Zones: The plant is hardy in USDA zones 5 to 9.
Common Pests & Diseases
Hypericum Olympicum Sulphureum is generally resistant to pests and diseases. However, it can still be affected by some common problems, such as:- Aphids: These small insects can feed on the plant’s sap and cause yellowing and distortion of the leaves. You can control aphids by spraying the plant with water or insecticidal soap.- Leaf spot: This fungal disease can cause brown or black spots on the leaves. You can prevent leaf spot by avoiding overhead watering and improving air circulation around the plant.
Habitat
Hypericum Olympicum Sulphureum is native to Europe and Asia, and it grows in a wide range of habitats, including meadows, fields, and woodland edges. The plant prefers well-drained soil and full sun to partial shade.
Question and Answer
Q: Is Hypericum Olympicum Sulphureum a hardy plant?
A: Yes, the plant is hardy in USDA zones 5 to 9.
Q: What are the common pests and diseases that affect the plant?
A: The plant can be affected by aphids and leaf spot.
Q: How often should I water my Hypericum Olympicum Sulphureum?
A: Water the plant regularly, especially during hot and dry periods.
Q: What type of soil does the plant prefer?
A: The plant prefers well-drained soil that is rich in organic matter.
Related Plants
– Hypericum Calycinum (Rose of Sharon)- Hypericum Perforatum (St. John’s Wort)- Hypericum Androsaemum (Sweet Amber)
References
– “Hypericum Olympicum Sulphureum” by Missouri Botanical Garden- “Hypericum Olympicum Sulphureum” by Royal Horticultural Society- “Hypericum Olympicum Sulphureum” by Plant Finder
