Chinese medicinal magnolia. Bark is the source of magnolol and honokiol — studied for anxiolytic and antidepressant activity.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 5–9 | −28.9 °C to −1.1 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H7 | down to −20 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 5–9 | −23 °C and warmer | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 1–5 | −15 °C to 10 °C | Plant tolerates down to this zone |
Growing notes
- Different from ornamental magnolias though related; bark of garden M. soulangeana etc. is not the medicinal source
- Bark harvest is destructive — use only commercially cultivated sources
- Always consult a qualified medical or herbal practitioner before using any plant medicinally
Categories
Related plants
Cross-check Magnolia bark (Houpu) against your zones