Why Your Flytrap Traps Aren't Red: Genetics + Window Glass

Genetics: Varieties range from deep red to all-green. Typicals vary widely.
Windows block UV: UV drives red pigment. Your windowsill sun ≠ outdoor sun.

Mississippi flytrap, 2+ years, no red inside traps? Two factors:

The Fix

Grow outdoors in full sun (6+ hrs). Mississippi winters are mild—no dormancy issues. Color will improve if genetics allow.

Carnivorous Plants: Why Venus Flytraps Turn Yellow in Terrariums: Three Fixes; South Florida VFTs and Doodle Bug: Heat Prevents Deep Dormancy, Weakens Plants; Red Spots on Venus Flytraps: Pest Diagnosis and Nepenthes Light Requirements; Sunburn on Venus Flytraps: Acclimating to Full Sun After Low Light; Hybridizing Venus Flytraps: What to Expect from a "Red Cup" Cross; Venus Flytrap Double Flower Stalks and Sarracenia Seedling Care; First Venus Flytrap ('Dente') Care Guide: Light, Water, Soil, and Dormancy Basics; Why Your Terrarium Venus Flytrap Is Failing: Light, Dormancy, and Flowering; Growing Venus Flytraps: Soil, Humidity, and Terrarium Tips; Red Pine (Pinus resinosa) Only for North Georgia Mountains

Garden Articles

Plants