How to Grow Catalpa
Catalpa bignonioides
Your complete guide to growing Catalpa.
📷 Wikimedia CommonsWhen to Plant Catalpa
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Companion Plants for Catalpa
✓ Good companions
Flourishes in dappled shade, provides colorful blooms under tree canopy
Heat and humidity tolerant shade plant that pairs well with catalpa's growing conditions
Tolerates shade well and provides season-long foliage interest
Excellent shade tolerance, adds texture contrast to catalpa understory
Shade-loving perennial with attractive foliage that complements catalpa's large leaves
Thrives in partial shade under catalpa canopy, complementary root depths
Shade-tolerant annual providing continuous color under catalpa branches
Native groundcover that thrives in catalpa's filtered shade conditions
✗ Keep away from
Produces juglone which is toxic to catalpa and inhibits its growth
Competes aggressively for water and nutrients, catalpa roots are shallow
Competes for nutrients and requires full sun conditions catalpa canopy prevents
Catalpa leaves contain compounds that may inhibit nightshade family growth
