Gemini Herbicide

Granular herbicide with R-50® Optimizer

The patented R-50 component of Gemini Granular gives it the power to stop weeds with less active ingredient, allowing more applications per year and reduced active ingredients applied per acre.

  • R-50 Optimizer improves the release and distribution of the active ingredients, creating a stronger and wider barrier of protection than most granular herbicides

  • Long-duration herbicide labeled for over 75 plant species including woody ornamentals, and many perennials

  • Selective combination of prodiamine and isoxaben provides effective weed control for up to four months at high rates, 60-90 days at low

  • Adds great flexibility to any chemical rotation by delivering lasting weed control with less product

Newly-transplanted container or field nursery stock
  • Apply after cuttings form roots and are established.
  • To avoid inhibition of the tissue union, apply before budding/grafting or after buds/grafts have taken.
  • Do not apply to wet foliage or to pots less than six inches wide.
Established container, field nursery stock, or landscape plants
  • Apply at any time as an over-the-top, or soil directed application.
Landscape (or ornamental) plantings
  • Apply as an over-the-top, or as a soil directed application.
  • Delay applications to newly transplanted ornamentals until soil has settled around transplants.
Bare ground application for container placement
  • Apply to soil (including mulch, gravel, wood chips, or other permeable base) upon which containerized ornamentals are placed.
  • After application, use a post-emergence herbicide to control break  though weeds.
  • If  necessary, perform shallow cultivation or hand weeding to avoid disturbing the herbicide barrier.
Shadehouses and uncovered polyhouses
  • Plants must receive two irrigations totaling at least 0.5 inches of water before covering.
  • After application, houses must remain uncovered for at least 21 days.
Ornamental bulbs (not for use on ornamental bulbs grown for commercial production in California)
  • Apply before bulbs emerge.
  • Do not re-apply after emergence.