NAME: Catalpa speciosa
- PRONUNCIATION: ka-TAL-pa spe-si-O-sa
NAME: Northern Catalpa
- FAMILY: Bignoniaceae
- NATIVITY: Western Tennessee west to southern Illinois and south to Arkansas.
HABIT: Upright oval tree to 60' or more. Medium to fast growth rate. Coarse
textured in the winter landscape.
- HARDINESS: Zone 5-8
- CULTURE: Quite adaptable plant. Tolerates
variety of soil conditions: wet to dry, acid to alkaline. Grows in sun or part shade. Good
for very hot, dry sites, city conditions.
- SUCCESSIONAL STATUS: Successional
- FACULTATIVE STATUS: Facultative
USE: Upright tree grown for the
large, white, 2" flowers borne in 8" panicles. Very attractive in June. This tree has several problems such as weak wood, persistent fruit
and unsightly appearance in late summer, fall.
- FOLIAGE: Opposite or whorled, simple, ovate, 6"-12" long with an
acuminate apex and cordate base. Medium
to light green in color.
- STEMS: Thick stems with large, round
- BUDS: Imbricately scaled and small, brown in color. Buds located above large, round, craterlike leaf scars.
- BARK: Grayish brown, ridged and furrowed.
- FRUIT: Capsule, 8"-20" long and a/2" wide "cigar." Dark-brown fruit
contains fringed seed and persists through winter.
- PROPAGATION: Seeds, root cutting.
- PESTS: Leaf spots, mildew, Verticillium wilt.
SPECIES: C. bignonioides identical to above with the following exceptions:
Smaller (30'-40'), slightly less hardy, smaller fruit and fringe on seeds is