Catalpa speciosa

Northern Catalpa

Form and Growth Characteristics:
Plant Type - Tree
Growth Rate - Medium tree with an open, irregular crown; moderate to fast growth rate.
Mature Height - 40-60' (100') tall
Mature Width - 20-40' wide
Longevity -

Ornamental Characteristics:
Flower - White flowers 2" long and wide, the tube bell-shaped, the lobes spreading and frilled at the margin, the lower one with yellow spots; May-June, in large upright terminal panicles, 4-8" long.
Fruit - Thick walled pendulous capsule, 8-20" long, 0.5-0.75" wide, green changing to brown, persisting through winter. Contains numerous fringed seeds.
Leaf - Simple ovate leaves, whorled or opposite, 6-12" long, 3-8" wide, medium green and glabrous above, densely pubescent beneath, petiole 4-6" long.
Fall Color - Poor yellow-green to brownish, often fall from tree before turning color.
Bark - Young stems smooth or slightly short-downy, reddish to yellowish brown with large lenticels. Older trunks grayish brown, usually ridged-and-furrowed, sometimes thick and scaly.
Other Features -
Possible Use - Coarseness lends to limited uses in residential areas, but can be a good option for difficult sites.
Season Of Interest -

Culture and Care:
Care Requirements - Prefers deep, most, fertile soil, but tolerant of different soil conditions includng wet or dry sites, alkaline soil, sun or part shade, or extremely hot environments. Zone 4-8 (9).
Native Habitat - Native to southwestern Indiana, southern Illinois, western Kentucky, western Tennessee and northeastern Arkansas. Naturalized throughout much of the United States east of the Rocky Mountains.
Diseases and Insects - Can have problems, usually minor, with leaf spots, powdery mildew, verticillium wilt, twig blight, root rot and others.
Strength - Wood in contact with ground is resistant to rot.
Weakness - Branches and wood are quite brittle, frequently dripping small branches in wind and ice storms.

Plants of this taxon:
BT001122

Find Related Plants:
- Other plants with the common name Catalpa.
- Other plants of the family Bignoniaceae.
- Other plants of the genus Catalpa.
- Other plants of the species Catalpa speciosa.