Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Catalpa speciosa you will need.
*Correct and successful spacing is complex and depends on project conditions.
Catalpa speciosa
Northern Catalpa
- Bell shaped flowers in spring
- Long green seed pods
- Ideal for naturalizing in wet soils
- Category: Trees
- Hardiness Zone: 4-8
- Height: 40-70 ft
- Spread: 20-50 ft