WillGro Medium Fir Bark is highly popular for being an excellent potting medium for orchids. Helping provide drainage and air spaces. When watering, thoroughly soak the Medium Fir Bark to allow it to rehydrate completely. As it is not the best at holding moisture for long periods of time. Depending on your environment the Fir Bark will decompose rather fast and will require a repotting every year or two. Packaged in Canada