Orchiata Premium Orchid Bark 3 lbs Classic 1/4 - 3/8 (Repackaged) Repackaged for resale 5 Litres= 1 Gallon Bags 100% pure New Zealand Pinus radiata bark, sourced from renewable, man-made forests. plants have been known to remain in excellent condition in excess of 10 years. reported that frequent re-potting is not necessary