Rose of sharon is a large deciduous flowering shrub in the Mallow family and is hardy in zones 5-10. Because of its large, dense habit and its ability to seed itself, rose of sharon makes an excellent living wall or privacy hedge. When left untended, rose of sharon will drop its seeds close to the parent plant. In spring, these seeds will easily germinate and grow into new plants. Rose of sharon can quickly form colonies this way and are actually considered to be invasive in some areas.
Key Takeaways:
- Rose of sharon is a large deciduous flowering shrub in the Mallow family, able to seed itself by dropping seeds close to the parent plant.
- Collecting rose of sharon seed is not always easy because its seeds ripen in winter. The seeds need this cold period to properly germinate in the spring.
- Rose of sharon grows best in humus rich, fertile soil. Sow rose of sharon seeds ¼-½ deep. Cover loosely with appropriate soil.
“Collecting rose of sharon seed is not always easy because its seeds ripen in winter.”
http://www.gardeningknowhow.com/ornamental/shrubs/rose-of-sharon/rose-of-sharon-seeds.htm