Catalpa Worm Tree Seeds

Catalpa bignonioides — Catalpa Worm Tree is a fast-growing flowering shade tree with large heart-shaped leaves, showy white flower clusters, long seed pods, and wildlife value.

This guide covers growing conditions, seed-starting basics, garden uses, and ordering information for Seedman customers.

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Catalpa Worm Tree with large heart-shaped leaves, white flowers, and long pods

Plant Profile

Botanical Name:
Catalpa bignonioides
Common Name:
Catalpa Worm Tree
Category:
Flowering shade tree seeds
USDA Zones:
Commonly hardy in zones 5–9
Height:
Medium to large deciduous tree
Light:
Full sun to partial shade

Why Grow Catalpa Worm Tree?

Catalpa Worm Tree is a fast-growing flowering shade tree with large heart-shaped leaves, showy white flower clusters, long seed pods, and wildlife value. It is a useful addition for gardeners looking for distinctive seed-grown plants with ornamental, edible, ecological, or collection value.

Seed Germination Guide

Soak seed briefly if desired, then sow in a warm, well-drained seed-starting mix. Keep evenly moist and grow seedlings in bright light.

Seed germination can vary by freshness, storage, temperature, and growing conditions. Use clean containers and a well-drained seed-starting medium.

Garden & Landscape Uses

Catalpa Worm Tree can be used in appropriate climates and garden styles where its mature size, sunlight needs, and moisture preferences are matched to the site. For best performance, provide full sun to partial shade and soil conditions suited to the

Order Catalpa Worm Tree Seeds

Visit the original Seedman product page for current availability, package sizes, and ordering details.

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Frequently Asked Questions

Why is it called Catalpa Worm Tree?

Catalpa trees are host plants for catalpa sphinx caterpillars, often called catalpa worms.

Does Catalpa have showy flowers?

Yes. Mature trees produce clusters of white, orchid-like flowers.

Is Catalpa fast-growing?

Yes. Catalpa is known as a relatively fast-growing shade tree.

What are the long pods?

The tree produces long bean-like seed pods after flowering.