We planted a weeping willow tree approximately 5 years ago. It is really not growing very well and is slow growing. My son did trim it back 2 yrs ago and it has still not grown so much. What can we do, or what can we use on it to get it going??
Weeping Willow Tree
Certified GKH Gardening Expert
As this article explains, applying compost and fertilizer can help willow trees grow:
This article explains more about fertilizing trees:
Watering the tree once a week could help, especially during dry periods. Water the whole area where the roots could be growing, not just right at the trunk, to get the most benefit.