Northern Catalpa
tree

Northern Catalpa

Catalpa speciosa

Northern Catalpa is a large deciduous tree known for its broad heart-shaped leaves and showy white flowers with purple and yellow markings. It thrives in a variety of soils and is often planted as a shade or ornamental tree.

USDA Zones
4–9
Height
10 ft–40 ft at maturity
Bloom Season
June – September
Bloom Color
white, pink
🐕 Dog-Friendly†Not listed as toxic to dogs by common horticultural references. See disclaimer below.🐈 Cat-Friendly†Not listed as toxic to cats by common horticultural references. See disclaimer below.🐝 Attracts PollinatorsAttracts bees and other pollinators

"Dog-Friendly" / "Cat-Friendly" means this plant is not listed as toxic by common horticultural references. It is not a guarantee of safety for all animals in all circumstances. If your pet ingests any plant, contact your vet or the ASPCA Animal Poison Control Center: (888) 426-4435.

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Sun Requirements

Full Sun to Part Shade
Adaptable to 4–8+ hours of sunlight

Soil Type

well-drained, loamy

Care Requirements

Water Needsmedium
Maintenancelow
EvergreenNo

Complete Care Guide

The Northern Catalpa is a hardy and adaptable tree that prefers full sun to partial shade and well-drained, loamy soils. It tolerates a range of soil types including clay and sandy soils but thrives best in moist, fertile conditions. Water regularly during the first few years after planting to establish a strong root system, then it becomes moderately drought tolerant. Fertilize in early spring with a balanced, slow-release fertilizer to promote healthy growth and flowering. Prune in late winter or early spring to remove dead or damaged branches and to maintain a desirable shape. This tree is relatively low maintenance but benefits from occasional mulching to conserve moisture and suppress weeds. Northern Catalpa attracts pollinators with its large, fragrant flowers but is not known to attract hummingbirds or butterflies specifically. It is not evergreen and will drop its large leaves in fall, providing seasonal interest. Protect young trees from deer and rabbits as they may occasionally cause damage. Overall, Northern Catalpa is a resilient and attractive addition to larger landscapes and urban settings.

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