pollinating insects, and insects that control garden pests. They are prone to developing powdery mildew in high humidity, especially if planted in a place without good air circulation.

Hybrid cultivars range from dark red mahogany to bluish lilac to multiple shades of pink. These are generally not as robust as wild species. Some hybrids have been developed to produce high levels of essential oil for use as flavoring or medicine.

Cultivars

The following

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