
trefle.io · Taken Jul 1, 2022 by Byron Grimlock (cc-by-sa)
Bignoniaceae
Northern catalpa
Catalpa speciosa
Also known as Cigar tree, Indian bean tree, Hardy catalpa, Catalpa bignonioides var. speciosa
Flowering Plants · Native Plants · Trees & Shrubs · Shade Tree · Flowering Tree · Native · Large Leaves · Ornamental · Fast Growing · Urban Tree · Bignoniaceae · Deciduous · Wildlife
Northern catalpa is a fast-growing shade tree celebrated for its bold tropical-looking leaves and dramatic clusters of white orchid-like flowers in late spring. Plant in full sun to partial shade in any well-drained soil; it is remarkably adaptable to urban conditions once established. Minimal pruning is needed — simply remove dead or crossing branches in late winter to maintain a strong structure.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water deeply at the base; allow soil to dry moderately between waterings once established · Every 10-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 5.5–7
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 20 ft – 40 ft
- Spread
- 20 ft
- Spacing
- 240 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- White
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Arkansas, Bulgaria, Colorado, Connecticut, District Of Columbia, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Korea, Louisiana, Maryland, Masachusettes, Michigan, Minnesota, Mississippi, Missouri
- Attracts
- Bees, Butterflies, Hummingbirds, Birds
Sources: trefle, usda
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