Let an unrooted cutting soak in a diluted IBA solution for up to 24 hours. The concentration of the solution should “range ...

Rooting hormone boosts the success of growing ... This chemical is produced commercially and contains indole-3-butyric acid (IBA,) an artificial version of the natural plant hormone auxin.

Dip or roll the base of the cuttings into a 1500 parts per million (ppm) Indole-butyric acid (IBA) rooting hormone. Immediately stick the cuttings into your rooting environment. Make sure the ...