Pyramidal St. John's wort (Hypericum triquetrifolium)

Pyramidal St. John's wort

Also known as: Wavy leaf St John's wort

Pyramidal St. John's wort (Hypericum triquetrifolium) is named because the flowering shrub blooms in late summer coinciding with the feast of St. John the Baptist in summer. Its yellow flowers form in clusters of five with many long dainty stamens resembling yellow firework.

Scientific classification

Species

Pyramidal St. John's wort (Hypericum triquetrifolium)

Nances, spurges, willows and allies

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Perennial

Lifespan

Shrub

Plant Type

25 cm to 35 cm

Plant Height

Yellow

Flower Color

Semi-evergreen

Leaf type

10 - 35 ℃

Ideal Temperature

Distribution of Pyramidal St. John's wort

Distribution Map

Pyramidal St. John's wort is native to the Mediterranean Basin and adjacent areas of Southwest Asia. It thrives naturally across several major regions including the Eastern Mediterranean, the Near East, and parts of Southeast Europe. While occurring primarily in these native regions, pyramidal St. John's wort has also been introduced to the Iberian Peninsula.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Dry, stony or sandy places, dry fields, olive groves, vineyards

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Pyramidal St. John's wort

Twice per week

Water

Full sun

Sunlight

10 - 35 ℃

Ideal Temperature

Water: Pyramidal St. John's wort is well-suited for rocky, dry habitats and exhibits high drought tolerance. It requires moderate watering, ideally twice a week, and thrives in temperate zones with well-draining soil, balancing regular moisture without waterlogging.

Fertilize: Fertilize pyramidal St. John's wort monthly during the growing season with balanced fertilizers for optimal growth. In early spring, use high-nitrogen fertilizer for foliage. Apply at recommended rates to prevent root damage. Reduce frequency in fall and winter, and dilute fertilizer for young or potted pyramidal St. John's wort to avoid overfeeding.

Pruning: Prune pyramidal St. John's wort in early spring by removing dead or damaged branches and thinning overcrowded areas for improved airflow. Light, regular pruning maintains shape and health, preventing disease and promoting vigorous growth and flowering, ensuring pyramidal St. John's wort remains vibrant throughout the year.

Propagation: Pyramidal St. John's wort is a hardy perennial valued for medicinal properties and vibrant yellow flowers. Propagate using healthy cuttings planted in well-draining soil. Maintain consistent moisture and provide ample light without direct sunlight. Established cuttings develop strong roots for successful transplantation.

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Learn More About Pyramidal St. John's wort

How to Transplant

How to Prune

How to Grow and Care

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