《宋史·列传·卷三十二》
郭进曾经在州城四周种植柳树，濠中种上荷花蒲荻，后来越来越繁茂。
进尝于城四面植柳，壕中种荷芰蒲薍，后益繁茂。
Guo Jin planted willow trees around the state city, and lotus flowers and cattails in the moat, that later grew more and more vigorous.