Taxonomy
Clade | angiosperm |
Family | Bignoniaceae |
Genus | Catalpa |
Species | speciosa |
Common Name | northern catalpa |
iTree Code | CASP8 |
Plant Form
Form | Tree: irregular, sparse crown |
Height | 65 feet |
Spread | 30 feet |
Deciduous | Yes |
Identification Description
Foliage | whorled, simple, very large heart shaped, with smooth edges |
Leaf Type
|
Simple |
Bark | reddish when young, gray/brown with age, shallow irregular fissures/scales |
Bud | terminal: lacking; lateral: small rounded, short with scales that appear open |
Bud Arrangement
|
Whorled |
Twig | red or yellow/brown in current year, stout, smooth |
Flower | large white, with purple/orange markings, both male and female on the same trees |
Fruit | green then brown, long, thin “sting-bean” fall/winter containing winged seeds (winged capsule), persist through winter |
Fall Color | brown |
Site Characteristics
USDA Zones
|
pH Levels | Salt Tolerance |
Min | 4a |
Min | 5.5 |
Soil | Intolerant |
Max | 8b |
Max | 7.0 |
Spray | Intolerant |
Shade Tolerance | Drought Tolerance | Allelopathy |
Intolerant |
Moderate |
No |