Growing Royal Empress Tree Seedlings: Fertilizer and Transplant Timing

Growing Royal Empress Tree Seedlings: Fertilizer and Transplant Timing

Paulownia tomentosa seedlings (1 inch, 4 leaves) in peat pellets: pot up individually, feed 12-12-12 every 10 days. When 6–12 inches tall, harden off 10 days in shade after last frost, plant outdoors (at least 30 days before first frost). Fast-growing, somewhat invasive in Southeast US. Native to China/Japan, used in reforestation.

12-12-12 balances N (leaves), P (roots/flowers/fruit), K (strength/disease resistance). Available at Walmart, Home Depot, Lowe's.