Thou, O Israel. The Rock of thy strength; that God Who was thy only sure defence. Pleasant plants; excellent flowers and fruit trees. Strange slips; fetched from far countries. and therefore highly esteemed. The sense is, Thou shalt use much industry and cost, but to no purpose, as it follows.
Related Commentaries of Isaiah 17:10
Isaiah 17:10
10 Because thou hast forgotten the God of thy salvation, and hast not been mindful of the rock of thy strength, therefore shalt thou plant pleasant plants, and shalt set it with strange slips: