How to avoid common gardening mistakes | 9news.com – 9News.com KUSA July 30, 2021 by Gardening Gardening is a collection of experiences. Some turn out well; others go horribly incorrect. Below’s some recommendations to avoid making mistakes. Author: 9news. com. Released: 8:26 AM MDT July 29, 2021. Updated: 8:26 AM MDT July 29, 2021.