Catalpa
Catalpa bignonioides
treeA large deciduous tree native to North America, prized for its heart-shaped leaves and showy white or pale yellow flowers with purple spots that bloom in late spring. The Catalpa reaches 40–60 feet tall and produces long, slender bean-like seed pods in summer. It thrives in sunny locations with adequate space and is popular in parks and large gardens.
Common Problems
Select the problem your Catalpa is experiencing to get a treatment guide.
Care Guide
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Light
Full sun (6+ hours) for optimal growth and flowering; can tolerate partial shade
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Water
Water regularly during establishment; once mature, it is drought-tolerant and prefers moderate moisture during the growing season
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Soil
Adaptable to various soils including clay, loam, and sandy soils; prefers slightly acidic to neutral pH (6.0–7.5)
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Fertiliser
Minimal fertilization needed; apply balanced fertilizer in spring if growth is slow or soil is poor
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Temperature
Cold-hardy; requires moderate winter chill; thrives in warm to hot summers
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Humidity
Tolerates various humidity levels; good air circulation helps reduce fungal issues
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Non-toxic; seed pods and all parts are safe, though not palatable
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.