Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Alnus incana subsp. rugosa you will need.
*Correct and successful spacing is complex and depends on project conditions.
Alnus incana subsp. rugosa
Speckled Alder
- Forms fast growing, dense thickets
- Native small tree or large shrub
- Best used in wet areas
- Category: Trees, New Plants 2026
- Hardiness Zone: 2-6
- Height: 15-25 ft
Foliage Color
| • | Green |
Soil Moisture
| • | Wet Soil/Wetlands |
Habit
| • | Upright |
Season of Interest (Foliage)
| • | Spring Bloomer |
Growing & Maintenance Tips for Alnus incana subsp. rugosa
To care for Alnus incana subsp. rugosa, ensure it is planted in moist, well-drained soil with plenty of sunlight. Regular watering, especially in dry periods, and pruning to remove any dead branches will promote healthy growth and vitality.
