Hypericum calycinum is a low-growing, woody, evergreen shrub. It is part of the Hypericacaeae family of plants. They also call it Rose of Sharon, Aaron’s Beard, Resurrection Plant, Large-flowered St. John’s Wort, Great St John’s Wort, Creeping St. John’s Wort, or Jerusalem Star. It grows to about 45cm or 18in tall. It is native to southeast Europe and southwest Asia.
Hypericum calycinum has green ovate leaves. They start as reddish-bronze but turn to bright green in color, they get lighter in the sun. The leaves are bluish-green underneath. They change to reddish colors in autumn. The flowers are bright yellow and about 5cm or 2in wide. They have five petals and numerous, prominent stamens. Hypericum calycinum flowers in summer from June to September.
How to grow Hypericum calycinum:
Grow Hypericum calycinum in the sun or partial shade. Plant it in moist but well-drained soil. It is generally pest-free and disease-free and very low-maintenance. But watch out for rust. Prune back a little every few years to promote new growth.