Hypericum Calcynium (rose of Sharon)

Hypericum calycinum (Rose of Sharon)

Hypericum calycinum, commonly known as Rose of Sharon, Aaron’s Beard, or Creeping St. John’s Wort, is a versatile and attractive groundcover shrub that brings vibrant colour and lush greenery to any garden.

Appearance

This hardy plant features long, oval-shaped dark green leaves that are evergreen to semi-evergreen, providing year-round interest. From summer through autumn, it produces an abundance of bright yellow, five-petalled flowers, each adorned with a prominent cluster of stamens, creating a striking display.

Growth and Size

Hypericum calycinum typically reaches a height of up to 60 cm (24 inches) and can spread over 1.2 meters (4 feet) or more. It spreads rapidly through underground stems, making it an excellent choice for covering large areas quickly. However, it can become invasive if not properly managed.

Growing Conditions

This plant thrives in a variety of conditions, from full sun to partial shade. It prefers moist but well-drained soil and is drought-tolerant once established. Its adaptability makes it suitable for a range of garden settings, including challenging spots where other plants may struggle.

Uses

Hypericum calycinum is ideal for ground cover, erosion control on banks and slopes, and planting under trees where it competes well with shallow tree roots. Its dense foliage helps suppress weeds, and its bright flowers attract pollinators, adding ecological value to your garden.

Care Tips

• Watering: Water regularly during the first growing season to establish a deep, extensive root system. Once established, it requires minimal watering.
• Pruning: Prune in early spring to maintain shape and encourage new growth. Remove any dead or damaged stems to keep the plant healthy.
• Fertilizing: Apply a balanced, slow-release fertilizer in spring to support vigorous growth and flowering.

With its robust nature and stunning floral display, Hypericum calycinum is a fantastic addition to any garden, providing beauty and functionality throughout the year.

this is a very robust plant, which require very little maintenance.