Photo: Willow — CC BY 2.5 · source
Survives zone 2 through 7
Spring sap tapped for syrup or drunk fresh — around 2.6% sugar, comparable to silver birch.
- Hardiness
- Zone 2 to 7
- Habit
- Tree
- Edible part
- Sap
- Ripens
- Early spring at the thaw — a short 2–3 week sap flow
- Mature size
- Large tree to ~20 m — not containerable
- Light
- Full sun
- Soil pH
- 6.0–7.5 (lime-tolerant)
- Environment
- Boreal
- Status
- Sap
- Years to fruit
- 3–4 yrs
- Pollination
- Wind-pollinated, monoecious catkins — irrelevant to a sap crop