Compact eastern North American native shrub with fragrant white bottlebrush flowers in spring before the leaves, and spectacular autumn colour in shades of yellow, orange and scarlet on a single bush.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 4–8 | −34.4 °C to −6.7 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H6 | −20 °C to −15 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 4–8 | −29 °C to −1 °C | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 2–5 | −10 °C to 10 °C | Plant tolerates down to this zone |
Growing notes
- Mixed yellow, orange and scarlet autumn colour on a single shrub — among the best autumn colour of any compact shrub
- Honey-scented white flower spikes in April–May are a secondary spring feature
- Needs neutral to acidic moist soil — sulks on chalk
- Slow growing — eventually 2–3 m tall
Categories
Related plants
Cross-check Mountain witch alder against your zones