Rose of Sharon

  • Hibiscus syriacus

    Hibiscus syriacus

    Common Name:

    Rose of Sharon

    General Information:

    Valued in the garden for its large flowers produced in summer. Valued as a bonsai for its upright habit, open and loose branches, light green leaves which can all be enhanced with pruning. Moderate salt tolerance.

    Family:

    Malvaceae

    Lighting:

    Part shade to full sun

    Temperature:

    Zones 5B - 9A.

    Watering:

    Adequate water to keep from drying out and remaining dry. Requires ample water to flower its best and to avoid leaf drop.

    Feeding:

    General purpose fertilizer.

    Pruning and wiring:

    Bark is thin and is easily damaged.

    Propagation:

    Cuttings.

    Repotting:

    The tree needs annual repotting. Not particular about the type of soil, however it should be well drained and acidic.

    Pests and diseases:

    Aphids and Japanese beetles. Diseases include leaf spot, canker and flower blight.

    Bibliography:

    United States Department of Agriculture, Forest Service, Fact Sheet ST-295

    Compiled by Thomas L. Zane