For a natural rooting hormone, you can use human saliva.
Make one swift cut and do not crush the branch as not to damage olive tree cutting.
Fill an 8-inch nursery pot with a mix of sand and peat. Completely saturate the mix with water but press out excess water. Poke a hole 3 - 4 inches deep in the center. Cuttings should be from the tip of a healthy olive branch and about 7 - 8 inches long. Choose one with a 1/4-inch diameter.
Place a plastic freezer bag over the container and tree cutting. Place the container in a sunny windowsill and check daily. Water the container any time the soil seems dry. Remove the bag in six to eight weeks once roots sprout from the tree. Dec 18, Test to root a tea olive tree cutting in water. Test to root a tea olive tree cutting in water. Dec 10, Sweet olive tree propagation works best with semi-hardwood cuttings. This means you need to take cuttings from the tree in late autumn.
Before you take the cuttings, prepare the pots to plant them in. Mix sharp sand, perlite and milled coir in equal parts. Add water slowly, mixing the combination thoroughly until the coir is moistened. May 15, You can either place the base end of the cuttings in a container with several inches ( cm.) of water, or else sink them into a pot with potting soil.
If you have decided to start rooting tree cuttings in water, add water to the container as it evaporates. If you are growing in soil, keep the soil.