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propagating perennials: Helianthemum-Rock Rose or Sun Rose
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Thursday, August 13, 2009

Helianthemum-Rock Rose or Sun Rose

Propagating Helianthemum or Rock Rose should be done every 4-5 years because the plant becomes woody so in the spring dig up the plant and divide the root crown and discard the woody part and transplant the siblings. The are a number of varieties that come in yellow, pink, white or orange. They generally bloom in April to June and reach a height of 6"-12" and are deer resistant. They will grow in Zones 5-7/8 and are normally drought resistant and do not appreciate wet feet in winter so plant in a sandy well draining soil. They are evergreen and are native to the Mediterranean. Cut back after flowering to induce new flower buds.

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