Applying herbicides around young grapevines requires extreme caution as they are highly susceptible to damage from chemical exposure, which can stunt growth, reduce future yields, or cause death.
Refer below for herbicides that are registered for use on grapevines and for which product labels state caution around use on young vines, and/or in replant situations.
| Active constituent(s) | Some registered products | Activity group | Vine age restrictions | Impacts on replanting |
| 2,2-DPA-sodium (dalapon-sodium) | Dalapon 740 | 0 | DO NOT apply to vines less than 4 years old | |
| amitrole + ammonium thiocyanate* | Amitat, Amitrole (250, 250 SL, 47T, T 250), Kentrole 250 | 34 | When applying with Weedmaster Duo, DO NOT apply to vines less than 3 years old unless shielded | |
| dichlobenil | Sierraron 4G | 29 | DO NOT apply within 4 weeks of replanting | |
| flazasulfuron** | Katana 250 WG | 2 | DO NOT apply to vines less than 3 years old | DO NOT replant vines within 12 months of an application. |
| flumioxazin** | Chateau, Spektrum 500 WG | 14 | DO NOT apply to vines less than 1 year old | DO NOT replant vines within 12 months of application unless the top 3cm of soil from a 0.5m radius around the vine to be replaced is removed before the hole is dug. |
| glufosinate-ammonium | Basta (Ultra), Beast 200, Biffo, Cease, Commando 200, Fascinate (280SL, Dry), Fiestar, Fosinate 200 SL, Surefire Gamma, Glufonium 200 SL, Glufos, Glufosinate (200, 400, 800 SG), Glufosinate-Ammonium 200, G-FOS 200, Muster | 10 | DO NOT apply to vines less than 2 years old unless shielded | |
| glufosinate-ammonium + carfentrazone-ethyl | Hellcat | 10+14 | DO NOT apply to vines less than 2 years old unless shielded | |
| glyphosate acid | Moonshine | 9 | DO NOT apply to vines less than 3 years old unless shielded | |
| glyphosate-ipa* | AllOut 450, Cropmaster 450, Eraze (360 Bi-aquatic, 510 Bi-aquatic), Glister 450, Gly 360, Glypho 450, Glyphosate (360, 450, 450 CT, 450 SL, 510), Kelpie Chisel 450, Ken-Up (450 CT, 500 Flexi, Aquatic 360), Panzer 450, Pestmaster (Aqua-Tech 360, Glyphosate CT), Raze, Rico 450 GLY, Roundup (Biactive), SixGun (360, 510), Weedpro (540 Bio, BioAqua 360) | 9 | DO NOT apply to vines less than 3 years old unless shielded | |
| glyphosate-ipa + mas* | Weedmaster Duo | 9 | DO NOT apply to vines less than 3 years old unless shielded | |
| glyphosate-mas* | Bazooka Dry 800 SG, Glister 680 SG, Dry GLY (680, 680 WG, 700), GLY 680 Dry, Glyphosate (700, 700 SG, 875), Ken-Up Dry 680 WG, Roundup Ready Plantshield | 9 | DO NOT apply to vines less than 3 years old unless shielded | |
| glyphosate-mea* | Glyphosate 450 SL | 9 | DO NOT apply to vines less than 3 years old unless shielded | |
| glyphosate-potassium salt* | Cropmaster Ultra 540, Glyphosate (540, 540 K, 570), GLY 540 SL, Gold TX 540 GLY, Ken-Up Dry Super K, Max Out 540, Rico HPS 540 GLY, Roundup (Ready PL, Ultra MAX, UltraMax with Plantshield), Titanium 570, Warlord 540 Hi-Load | 9 | DO NOT apply to vines less than 3 years old unless shielded | |
| glyphosate-potassium salt + mas* | Weedmaster DST | 9 | DO NOT apply to vines less than 3 years old unless shielded | |
| glyphosate-potassium salt + mea* | Glyphosate 550 Twin Salt, Max Out 600 Duo, Promix 550 GLY | 9 | DO NOT apply to vines less than 3 years old unless shielded | |
| glyphosate-potassium, mea + mas* | Crucial, Glyphosate 450 SL | 9 | DO NOT apply to vines less than 3 years old unless shielded | |
| glyphosate-potassium, mma* | Boonta | 9 | DO NOT apply as spray near vines less than 3 years old unless they are effectively shielded from spray and spray drift. | |
| indaziflam* | Alion 500 SC | 29 | DO NOT apply to vines less than 3 years old | DO NOT replant vines within 12 months of application unless the treated soil is removed from the transplant hole and untreated soil is packed around the roots of the new transplant. |
| isoxaben | Gallery 750 DF | 29 | DO NOT apply to vines less than 3 years old | |
| norflurazon | Zoliar (DF, 800 DF) | 12 | DO NOT apply to vines less than 18 months old | |
| oxyfluorfen | Cavalier (500SC), Gowel 240 EC, Ory-Ken 500 SC, Ox 240, Oxen 240EC, Oxy-F 240, Oxyfan 240 EC, Oxyfluorfen 240 EC, Point | 14 | DO NOT apply to vines less than 3 years old | |
| pendimethalin | Cronos 440EC, Cyclone 330 EC, Panda 435, Pendimethalin (330, 330EC, 440, 440 EC), Pendi-M 330 | 3 | When in a mix with Simazine, DO NOT apply near vines less than 3 years old without a shield | |
| simazine | Simanex 900 WG, Simazine (500 Flowable, 900 DF, 900 WDG, 900 WG), S-Zine (600 SC, 900) | 5 | Label rates are based on vine age |
* Restricted for use by some wineries. Contact your winery or grape purchaser prior to use.
** Prohibited from use by some wineries. Contact your winery or grape purchaser prior to use.