Yes, you can start rooting olive tree cuttings in water.
Sep 21, Rooting from cuttings of a parent olive tree is the most popular method for olive tree propagation. Growth of olives trees will begin only after the temperature exceeds 70 degrees F. When temperatures fall below this point, growth and olive production ceases. Remove all lower leaves from the cutting.
Viagrow 1 Gal.
Aug 28, Growing olive trees from cuttings is done in much the same way as growing any other tree from a cutting. First, select a healthy twig that is about the size of a pencil. Next, strip the leaves away from the lower 2/3 of the twig, then dip it in a rooting hormone mix. Finally, place the twig in dampened soil, and keep it stumplopping.bars: 1.