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  • Plant Growth Regulators

Plant Growth Regulators

Plant hormones and growth regulators, regulate cellular processes in targeted plant cells locally and, when moved to other locations, in other locations of the plant. Plant hormones also determine the formation of flowers, stems, leaves, the shedding of leaves, and the development and ripening of fruit.

Turf Growth Regulators, TGR

Picture for category Turf Growth Regulators, TGR
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Abide PGR Plant Growth Regulator, Fine Americas

Abide PGR Plant Growth Regulator, Fine Americas

Abide PGR Plant Growth Regulator is a very versatile plant growth regulator for use on a wide variety of container-grown ornamental crops. It effectively reduces internode elongation, generating more compact and sturdier plants.

Active Ingredients: Ancymidol 0.0264%
PGR Mode of Action: 1
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 2.5 Gal., 30 Gal.

State Registrations Not for Sale to: VT


From $293.95
A-Rest Solution Plant Growth Regulator, PGR, SePRO

A-Rest Solution Plant Growth Regulator, PGR, SePRO

A-Rest Solution Plant Growth Regulator is used on container grown bedding plants, flowers and foliage plants. A-Rest produces a plant that is more compact by inhibiting gibberellin biosynthesis, which results in shorter stem length.

Active Ingredients: Ancymidol 0.0264%
PGR Mode of Action: 1
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 1 Qt., 2.5 Gal., 30Gal.

State Registrations Not for Sale to: VT


From $84.95
Atrimmec Plant Growth Regulator, PBI Gordon

Atrimmec Plant Growth Regulator, PBI Gordon

Atrimmec to reduce trimming and pruning of landscape ornamentals or trees and to control fruit set of ornamental olives.

Active Ingredients: Dikegulac-Sodium 18.5%
PGR Mode of Action: 2
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 1 Qt., 1 Gal.

State Registrations Not for Sale to: VT


From $120.95
Bonzi Ornamental Growth Regulator, PGR, Syngenta

Bonzi Ornamental Growth Regulator, PGR, Syngenta

Bonzi Ornamental Growth Regulator ensures plants stay compact and beautiful to keep them at their peak longer for increased profitability.

Active Ingredients: Paclobutrazol 0.4%
PGR Mode of Action: 1
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 1 Qt., 2.5 Gal.

State Registrations Not for Sale to: VT


From $133.95
Cambistat Plant Growth Regulator, PGR, Rainbow Treecare

Cambistat Tree Growth Regulator, PGR, Rainbow Ecoscience

Cambistat Plant Growth Regulator is a plant growth regulator that slows the vegetative growth of plants by inhibiting gibberellin biosynthesis. Cambistat is designed to gently and predictably slow the growth of trees.

Active Ingredients: Paclobutrazol 22.3%
PGR Mode of Action: 1
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 1 Gal.

State Registrations Not for Sale to: VT


From $437.95
Fascination Plant Growth Regulator, Valent

Fascination Plant Growth Regulator, Valent

Fascination Plant Growth Regulator is an effective tool for more presentable, more marketable Easter and LA hybrid lilies and ornamentals.

Active Ingredients: Benzyladenine 1.8%, Gibberellins 1.8%
Product Class: Plant Growth Regulator
EPA Signal Word: CAUTION / PRECAUCION
EPA Registration Number: 73049-41
Application Rate Range: (see label)
Container Size(s): .5 Gal.

State Registrations Not for Sale to: VT


From $491.95
Florel Pistill Growth Regulator PGR, Monterey

Florel Brand Pistill Growth Regulator PGR, Monterey

Control Dwarf Mistletoe. Reduce or eliminate undesirable fruit development on many ornamental trees.

Active Ingredients: Ethephon 3.9%
EPA Signal Word: WARNING / AVISIO
EPA Registration Number: 54705-8
Application Rate Range: (see label)
Container Size(s): 1 Pt., 1 Qt., 1 Gal., 2.5 Gal.

State Registrations Not for Sale to: AZ, CA, NV, NY, OR, VT, WA


Important Information Product Name Change: This Product was previously named Florel Brand PGR, Monterey has changed the name to Florel Brand Pistill PGR. It is the same product. Depending on remaining stock either label may be shipped.

From $10.95
Mastiff (Flurprimidol) PGR, Wedgle Direct-Inject

Mastiff (Flurprimidol) PGR, Wedgle Direct-Inject

Mastiff PGR is a plant growth regulator (PGR) which produces desirable growth reduction in a wide variety of ornamental trees. With a single Mastiff PGR application, vegetative growth generally is reduced up to 70% over a three-year period.

Active Ingredient: Flurprimidol 48.1%

Signal Word - CAUTION / PRECAUCION



Product is Discontinued & No Longer AvailableProduct is Discontinued & No Longer Available.



State Registrations Not for Sale to: VT


Pinscher (Dikegulac-sodium) PGR, Wedgle Direct-Inject

Pinscher (Dikegulac-sodium) PGR, Wedgle Direct-Inject

Pinscher PGR For systemic chemical pinching of various landscape ornamentals. Pinscher PGR greatly reduces flowering and fruit/seed set without compromising tree health.

Active Ingredient: Dikegulac-sodium 18.5%

Signal Word - CAUTION / PRECAUCION



State Registrations Not for Sale to: AK, AR, CA, DC, HI, IA, KY, LA, MA, ME, MS, MT, NC, ND, NH, SC, SD, VA, VT, WI, WY


Product is Discontinued & No Longer AvailableThis product is drop-shipped by the manufacturer and will be shipped UPS Ground regardless of method chosen at checkout.


State Restricted Use Pesticide This product is a state Restricted Use Pesticide and requires an Applicator's License for purchase in: NY. The Applicator's License must match the state for shipping.

From $272.95
ProGibb T&O Plant Growth Regulator (PGR), OMRI Listed, Valent

ProGibb T&O Plant Growth Regulator (PGR), OMRI Listed, Valent

ProGibb T&O Plant Growth Regulator is an extremely potent PGR, ProGibb T&O Plant Growth Regulator promotes stem elongation and flowering in ornamentals and offers growers a more marketable plant. OMRI Listed.

Active Ingredient: Gibberellic acid 4.0%

Signal Word - WARNING / AVISO

State Registrations Not for Sale to: VT


Quanta Systemic PGR & Fungicide, Helena

Quanta Systemic PGR & Fungicide, Helena

Quanta Systemic PGR & Fungicide for the control of diseases such as: downey mildew, phytopthora and pythium in ornamentals and bedding plants, roses, phytophthora in conifers, pythium in turf, and phytopthora and pythium diseases associated with stem and canker blight.

Active Ingredient: Mono-and di-potassium salts of Phosphorus Acid 56.0% + Indole -3-butyric Acid 0.0139%

Signal Word - CAUTION / PRECAUCION

State Registrations Not for Sale to: VT


From $176.95
Sumagic Plant Growth Regulator PGR, Valent

Sumagic Plant Growth Regulator PGR, Valent

Sumagic Plant Growth Regulator is the most active and consistent PGR available. Nearly 20 years of published test results prove it. With the flexibility of many application techniques, Sumagic delivers unmatched growth regulation for more attractive, compact and lush plants.

State Registrations Not for Sale to: VT


From $330.95
Tree Tech, Microinjection Plant Growth Regulators (PGR)

Tree Tech, Microinjection Plant Growth Regulators (PGR)

The Tree Tech Microinjection Plant Growth Regulators (PGR) set a new standard for economical and environmentally safe tree health care. As traditional methods of applying chemicals and pesticides become less suited for environmentally sensitive uses, particularly in urban areas, the Tree Tech microinjection system continues to gain acceptance and wider use.

Sold Individually, Case Qty. = 25 Micro-injectors


Ships From Manufacturer This product is drop-shipped by the manufacturer and will be shipped UPS Ground regardless of method chosen at checkout.



State Registrations Not for Sale to: VT


From $5.95
Trimtect Shrub Growth Regulator, PGR

Trimtect Shrub Growth Regulator, PGR, Rainbow Ecoscience

Trimtect Shrub Growth Regulator is a spray-on shrub growth regulator that will reduce the regrowth of trimmed shrubs and hedges by 30 – 70% over a season, allowing your crews to spend less time on high maintenance sites and more time on more profitable ones.

Active Ingredient: Paclobutrazol 8.0%

EPA Signal Word - CAUTION / PRECAUCION



State Registrations Not for Sale to: VT


From $499.95
Verve Plant Growth Regulator PGR, Nufarm

Verve Plant Growth Regulator PGR, Nufarm

Verve Plant Growth Regulator PGR is a concentrated formulation of ethephon with a wide range of uses on tobacco, fruit crops, fruiting vegetables, wheat and barley to improve quality, yield and harvestability.

Active Ingredient: Ethephon 21.7%

Signal Word - DANGER / PELIGRO

State Registrations Not for Sale to: VT


Important Information Currently Unavailable: This Product is currently unavailable. Please give us a call at (303) - 747 - 6414 if you have any questions.

Radiate Plant Growth Regulator, Loveland Products

Radiate Plant Growth Regulator, Loveland Products

Radiate Plant Growth Regulator is specifically designed to help develop longer, stronger, healthier roots to improve nutrient uptake and plant performance. Radiate’s proven technology works with all crops and can be applied foliar or in-furrow.

Product Class: Plant Growth Regulator (PGR)
Active Ingredients: Indolebutyric Acid (IBA) 0.85%, Cytokinin as Kinetin 0.15%
EPA Signal Word: CAUTION / PRECAUCION
EPA Registration Number: 34704-909
Application Rate Range: (see label)
Container Size(s): 1 Gal.

State Registrations Not for Sale to: VT


From $349.95
Ethephon 2SL Plant Growth Regulator, Quali-Pro

Ethephon 2SL Plant Growth Regulator, Quali-Pro

Systemic, foliarly absorbed Type 2 PGR that promotes lateral growth in turf while limiting top growth and suppressing seedheads of Poa and white clover. Retards growth of turf grasses. Use for elimination of undesirable fruit on apple, crabapple, carob and olive trees.

Active Ingredients: Ethephon 21.7%
EPA Signal Word: DANGER / PELIGRO
EPA Registration Number: 66222-151
Application Rate Range: (see label)
Container Size(s): 2.5 Gal.

State Registrations Not for Sale to: VT


US DOT Hazmat ALL SALES ARE FINAL. No refunds, returns, or exchanges. This product has been classified by the US DOT as a hazardous material. Adult signature required at time of delivery.

From $87.95
Sparra Fungicide, Wilbur-Ellis

Sparra Fungicide, Wilbur-Ellis

SPÄRRA is the highest active ingredient loaded EPA registered phosphite in the market providing broad-spectrum systemic fungicide-bactericide control of downy mildew, powdery mildew, Pythium, Phytophthora, and many other key diseases in agricultural and greenhouse crops, turf and ornamentals, and conifers and other trees.

Active Ingredients: Mono-and di-potassium salts of Phosphorus Acid 59.24%
Fungicide Group: P07
EPA Signal Word: WARNING / AVISIO
EPA Registration Number: 2935-560
Application Rate Range: (see label)
Container Size(s): 2.5 Gal.

State Registrations ONLY for Sale to: AZ, CA, CO, FL, GA, IA, ID, IL, IN, MI, MN, MT, ND, OH, OR, TX, UT, WA, WI

From $110.95

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Active Ingredients: 3-methyl-2-cyclohexen-1-one 97.9%
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: 1 or 2 /tree, 40 /acre
Container Size(s): Min. Order 10 pcs.


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