Primo Hilo®

U.S. EPA registered pesticide info

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Label & SDS

EPA Label: Not available

Registration information

U.S. EPA Registration number: 100-1745
U.S. EPA Status: ACTIVE

Description

'Primo Hilo®' is a plant growth regulator. Its Federal EPA registration number is: 100-1745. It was originally approved by EPA on 27 Aug 2025. It has a 'Caution' signal word. It has the following active ingredients: Trinexapac-ethyl. It's approved for 85 sites including annual ryegrass, bahiagrass, bentgrass, bermudagrass, buffalograss, carpetgrass, centipedegrass, fine fescue, kentucky bluegrass, and kikuyugrass. It is also approved for 2 pests and pest groups including but not limited to no pest and plant regulator.

Original registration date:

27 Aug 2025

Cancellation date:

Alternative names:

Primo HiLo®Active

Registrant:

SYNGENTA CROP PROTECTION, LLC
Address:
410 Swing Road
Greensboro, NC 27419

Active ingredients:

Trinexapac-ethyl 23%
Other ingredients 77%

Signal word:

Caution

Product type:

Plant Growth Regulator

Formulation:

Not reported

Registered target pests:

No pest
Plant regulator

Registered target sites:

Annual ryegrass (foliar treatment)
Annual ryegrass (soil treatment)
Bahiagrass (foliar treatment)
Bahiagrass (ornamental turf) (soil treatment)
Bahiagrass (soil treatment)
Bentgrass (athletic field) (foliar treatment)
Bentgrass (foliar treatment)
Bentgrass (golf courses) (foliar treatment)
Bentgrass (golf fairways) (foliar treatment)
Bentgrass (golf tees) (foliar treatment)
Bentgrass (ornamental turf) (foliar treatment)
Bentgrass (ornamental turf) (soil treatment)
Bentgrass (soil treatment)
Bermudagrass (athletic fields) (foliar treatment)
Bermudagrass (foliar treatment)
Bermudagrass (golf courses) (foliar treatment)
Bermudagrass (golf fairways) (foliar treatment)
Bermudagrass (golf greens) (foliar treatment)
Bermudagrass (golf tees) (foliar treatment)
Bermudagrass (ornamental turf) (foliar treatment)
Bermudagrass (ornamental turf) (soil treatment)
Bermudagrass (soil treatment)
Buffalograss (foliar treatment)
Buffalograss (ornamental turf) (soil treatment)
Buffalograss (soil treatment)
Carpetgrass (foliar treatment)
Carpetgrass (ornamental turf) (soil treatment)
Carpetgrass (soil treatment)
Centipedegrass (foliar treatment)
Centipedegrass (ornamental turf) (soil treatment)
Centipedegrass (soil treatment)
Fine fescue (foliar treatment)
Fine fescue (golf courses) (foliar treatment)
Fine fescue (golf fairways) (foliar treatment)
Fine fescue (golf tees) (foliar treatment)
Fine fescue (ornamental turf) (foliar treatment)
Fine fescue (ornamental turf) (soil treatment)
Fine fescue (soil treatment)
Kentucky bluegrass (foliar treatment)
Kentucky bluegrass (ornamental turf) (soil treatment)
Kentucky bluegrass (soil treatment)
Kikuyugrass (athletic field) (foliar treatment)
Kikuyugrass (foliar treatment)
Kikuyugrass (golf courses) (foliar treatment)
Kikuyugrass (golf fairways) (foliar treatment)
Kikuyugrass (golf tees) (foliar treatment)
Kikuyugrass (ornamental turf) (foliar treatment)
Kikuyugrass (ornamental turf) (soil treatment)
Kikuyugrass (soil treatment)
Ornamental turf (athletic fields) (foliar treatment)
Ornamental turf (commercial) (foliar treatment)
Ornamental turf (foliar treatment)
Ornamental turf (golf courses) (foliar treatment)
Ornamental turf (golf fairways) (foliar treatment)
Ornamental turf (golf greens) (foliar treatment)
Ornamental turf (golf tees) (foliar treatment)
Ornamental turf (soil treatment)
Ryegrass (perennial) (athletic field) (foliar treatment)
Ryegrass (perennial) (foliar treatment)
Ryegrass (perennial) (golf courses) (foliar treatment)
Ryegrass (perennial) (golf fairways) (foliar treatment)
Ryegrass (perennial) (golf tees) (foliar treatment)
Ryegrass (perennial) (soil treatment)
Seashore paspalum (golf courses) (foliar treatment)
Seashore paspalum (ornamental turf) (foliar treatment)
Seashore paspalum (ornamental turf) (soil treatment)
St. augustinegrass (foliar treatment)
St. augustinegrass (ornamental turf) (soil treatment)
St. augustinegrass (soil treatment)
Tall fescue (athletic field) (foliar treatment)
Tall fescue (foliar treatment)
Tall fescue (golf courses) (foliar treatment)
Tall fescue (golf fairways) (foliar treatment)
Tall fescue (golf tees) (foliar treatment)
Tall fescue (ornamental turf) (soil treatment)
Tall fescue (soil treatment)
Tank mix
Zoysiagrass (athletic field) (foliar treatment)
Zoysiagrass (foliar treatment)
Zoysiagrass (golf courses) (foliar treatment)
Zoysiagrass (golf fairways) (foliar treatment)
Zoysiagrass (golf greens) (foliar treatment)
Zoysiagrass (golf tees) (foliar treatment)
Zoysiagrass (ornamental turf) (foliar treatment)
Zoysiagrass (soil treatment)