General Information

Do not apply this product through any type of irrigation system.

NOTE: Gibberellic Acid is an extremely potent plant growth regulator. For best results, read all directions for use thoroughly. Consult your local experiment station specialist, distributor, or the Nufarm agricultural specialist in your area for the spray schedule best suited to your conditions.

Discard any unused spray material at the end of each day. Prepare solution concentrations by mixing the required amount of product with water only in a clean, empty spray tank. Refer to individual crop sections and rate conversion tables provided in the labeling for the amount of GibGro to be applied.

Use only as directed. The label should be read thoroughly and understood before making applications.

Effectiveness requires that all parts of plant or crop must receive spray or desired result will not occur, so spray thoroughly. When a range of rates is indicated, use the concentration and spray volume recommended locally.

Data concerning the compatibility of GibGro with other agricultural compounds is not available, except where specified.

Refer to the label regarding tank mix information.

Limitations, Restrictions, and Exceptions


(All states except California)

Applying GibGro to ornamental plants grown for cut flowers will aid in promoting longer stems and increased flower yield. Gibberellic Acid is a potent plant growth regulator and overuse may result in undesirable effects. Assess the effects of GibGro on a small number of plants prior to making large scale applications.


To promote plant growth and longer stems: Apply when plants are 4\" to 8\" tall. Make applications at 2 to 3 week intervals.

Restricted Entry Interval

4 hours