Why Are My Seedlings Turning Purple Under LEDs? | Forum Q&A
🍅 Quick take: Forum agronomist T@tk@ (Tatyana) tackles two major spring seedling headaches: dialed-in sowing dates for hot peppers to prevent rootbound, overgrown monsters, and the real science behind LED grow lights. She explains why 36W 6000K-6500K daylight shop lights stop leggy seedlings, and why purple foliage under blue LEDs is actually botanical sunscreen (anthocyanins) … Read more