Vigorous shrubby mallow hybrid with grey-green palmate leaves and continuous large pink, white, or magenta hibiscus-like flowers from early summer well into autumn.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 6–9 | −23.3 °C to −1.1 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H5 | −15 °C to −10 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 7–8 | −12 °C to −1 °C | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 2–6 | −10 °C to 15 °C | Plant tolerates down to this zone |
Growing notes
- Plant in sunny mixed borders and cottage gardens — fast growing and free-flowering, fills a 2 m × 2 m space in a couple of years
- Excellent forage for bumblebees and honey bees
- Short-lived — typically 5–7 years, replace from cuttings every few years
- Cut back hard in late winter for compact bushy regrowth
Categories
Related plants
Cross-check Tree mallow against your zones