Additives and Plant Growth Regulators

Showing all 12 resultsSorted by price: high to low

Showing all 12 resultsSorted by price: high to low

Buying Guide: Additives and Plant Growth Regulators

Looking for the best additives and plant growth regulators for your project? Big Irrigation Supply carries 12+ professional-grade additives and plant growth regulators products from trusted brands like Hocking International Laboratories, Control Solutions Inc., PBI-Gordon, SePRO, BRANDT. Free shipping across the USA.

How to Choose the Right Additives and Plant Growth Regulators

  • Consider your project size — residential installations may need different specs than commercial.
  • Check compatibility — make sure components work with your existing system.
  • Compare brands — we carry multiple professional brands so you can find the best fit.
  • Read specifications — product pages include detailed specs and installation guides.

Need help choosing? Our team of irrigation and landscape lighting professionals is ready to help. Browse our full selection of additives and plant growth regulators or contact us for expert advice.