Willow roots are notorious for wandering in search of water and will often.
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Feb 10, You can propagate willows by cutting branches any time of the year. Spring may be the best season because of the ample rain and the new tree will have the entire summer to become established before winter. Take a cutting that is about inches long and the diameter of a pencil. Next place the cutting in treeclear.barted Reading Time: 2 mins. Planting hardwood cuttings is by far the best and easiest method of establishing willow plants.
Also, how do you know if there are pipes running below the willows in your garden?
They will establish and grow better than rooted plants, because there are no roots that need to recover from being disturbed. Even a 1ft cutting will often grow 6ft or more in the. willow tree cuttings