Has anyone else noticed how well the hardy Hibiscus (H.syriacus) are doing this year? They are usually a bit of an under-used shrub, mostly because they are…
When grown under glass use a loam-based potting compost with partial shade. When grown outdoors grow in moist humus-rich well-drained soil.
Sow the seeds in the spring, divide the perennials in the spring.
Pests, diseases or disorders
Watch out for scale insects, powdery mildew and aphids.