General Information


Galigan H2O may be applied for preemergence and postemergence weed control. All directions and restrictions for use found in the general use information and specific crop sections of the label must be followed.


In order for Galigan H2O to provide maximum preemergence activity: Prior to application, the bed or soil surface should be smooth and free of crop and weed trash (decaying leaves, clippings, dead weeds, etc.). Leaves and trash may be removed by blowing the area to be treated or by thoroughly mixing the trash into the soil through cultivation prior to herbicide application. After application, at least one-quarter inch (1/4 inch) of irrigation or rainfall should occur within 3 or 4 weeks after application. The best results from Galigan H2O are from applications to established beds or soil surfaces that are left undisturbed during the time period for which weed control is desired. Cultural practices that result in redistribution or disturbance of the soil surface after treatment will decrease the herbicidal effectiveness of Galigan H2O. Cutting water furrows or cultivations that mix untreated soil into treated areas will also reduce the effectiveness of the treatment.

Selective weed control: Some products listed on the label provide selective weed control. Selective weed control occurs when the target weeds are killed without impact to desirable crops or vegetation.


Select proper application rates based on soil conditions, weed spectrum, and desired period of residual weed control.

Preemergence Application: Where rate ranges are given, use the lower rate in the rate range on coarse textured soils with less than 1% organic matter. Use higher rates in the rate range on medium to fine textured soils, soils containing greater than 1% organic matter, or where a longer period of residual weed control is desired.

Postemergence Application: Where a rate range is given, use higher rate in rate range for heavy weed infestations, weeds in advanced stages of growth, or where a longer period of residual weed control is desired.

Limitations, Restrictions, and Exceptions


Many field-grown deciduous trees are tolerant to applications of Galigan H2O directed to the soil and base of the plant. Galigan H2O will provide both preemergence and postemergence control of many broadleaf weeds and grasses.


Apply 1 to 3 pints (0.5 to 1.5 lbs. active) of Galigan H2O per acre as a spray to the soil area surrounding deciduous plants for preemergence or early postemergence weed control. This product may be applied as a single or split application. DO NOT apply more than 3 pints (1.5 lbs. active) of product per season.


Galigan H2O can be applied after transplanting or to established deciduous trees. For optimum weed control, applications should be made prior to weed germination.

For maximum safety to deciduous species mentioned on the label, postdirected applications of Galigan H2O should be made to the soil prior to bud swell in the spring or after trees have initiated dormancy in the fall. Care must be taken to avoid contact of spray drift or mist with foliage or green bark of deciduous trees.

Galigan H2O may be phytotoxic to the foliage of non-target plants. Avoid making applications of this product under conditions that favor drift to nontarget areas.

Note: Applications made after bud swell may result in injury to deciduous trees and are not recommended. If a non-dormant application is required due to weed competition, do not apply during periods of new foliage growth. Applications should be made after foliage has fully expanded and hardened off. Direct spray toward the soil at the base of the trees and use greater than 50 gallons of water per acre. Splashing soil can carry Galigan H2O which may injure the leaves of some deciduous trees.


Galigan H2O should be directed to the soil. Avoid direct spray or drift onto foliage, flowers, or green bark. Apply in 20 or more gallons of water per acre to provide uniform spray distribution and coverage to the soil surface. Use higher volumes to ensure adequate soil coverage in high densities of emerged weeds or heavy trash. Thorough spray coverage is essential to maximize the postemergence activity of Galigan H2O. Use a low-pressure (20 to 40 psi) sprayer. The use of spray shields that reduce exposure of foliage and bark to Galigan H2O spray is suggested. Spray equipment should be calibrated carefully before each use.


In addition to the following, also observe GENERAL USE RESTRICTIONS listed elsewhere on the label.

- DO NOT apply more than 3 pints (1.5 lbs. active) of this product per broadcast acre per year.

- The use directions described here for field-grown deciduous trees do not apply to bearing tree fruit, nut, and vine crops. For selected bearing tree fruit, nut, and vine crops, refer to the TREE FRUIT, NUT, VINE section of the label for use directions.

- Apply this product to the soil surface surrounding trees prior to bud swell or after trees have initiated dormancy in the fall. Although not recommended, if a non-dormant application is required, apply as a directed spray when foliage has fully expanded and hardened off. Do not apply during periods of new foliage growth.

- Avoid direct or indirect spray contact to foliage flowers and green bark.

- Do not apply this product when weather conditions favor drift. Avoid drift to non-target areas. Galigan H2O is phytotoxic to plant foliage.

- Do not apply Galigan H2O to trees that have been weakened or are under stress from excessive fertilizer or soil salts, disease, nematodes, frost, wind injury, drought, flooding, previously applied pesticides, insects, or winter injury, as severe injury may result.

- Do not graze or feed livestock forage cut from areas treated with Galigan H2O.

Restricted Entry Interval

24 hours