Plant Insect and Disease Control

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It happens to everyone... No matter how careful you are with your growing area, insects or disease are going to find it.

Growco offers both natural and not-so-natural solutions to your insect infestation or plant diseases. Please remember, even natural pest control is not always safe for humans and pets - read the instructions carefully.

For additional plant health products that you're used to seeing on this page, check out our new "Plant Cleaners" page here.

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Sort by manufacturer: Advanced Nutrients, Agro Logistics, Aptus Plant Tech, BioCare, Bonide Products, Botanicare, Current Culture, Deer Stopper, Down to Earth, Dr. Earth, Dutch Master, Ecological Laboratories, Ed Rosenthal, Espoma, FoxFarm, General Hydroponics, Generic, Growstone, Hesi, Hydrofarm, Maril Products, Monterey, NPK Industries, Natural Industries, PlantLife Products, Safer Brand, SaferGro, Serenade, Sierra Natural Science, Sipco, St Gabriel, Sunleaves, Sunlight Supply, Xclude

Aptus Ecozen

Ecozen is a powerful blend of enzymes that help keep the root surface clean, remove dead organic matter and root residues. This dead matter is then transformed into usable plant nutrients.
$39.90 - $75.05

AzaMax Botanical Insecticide

AzaMax is a 100% Organic and earth-friendly product that gives you a broad spectrum of pest control over a broad range of plants. AzaMax is licensed in all 50 states.
$59.80 - $303.95

AzaSol Soluble Insecticide Powder - 0.75 oz

AzaSol natural bio insecticide is a dried powder azadirachtin that is freely soluble in water and is stable for over 2 years (shelf life).
$47.45

Blue Sticky Traps - 5 pack

Each Sticky Thrip / Leafminer Trap unfolds to expose about 30 square inches of non-toxic adhesive. Both sides are coated so no matter which direction the insect touches it, it's caught!
$4.99

Captain Jacks Deadbug Brew Concentrate - 1 quart

Captain Jack's Deadbug Brew contains Spinosad, a naturally occuring soil-dwelling bacterium that was collected on a Caribbean island from an abandoned rum distillery in 1982.
$23.51

Captain Jacks Deadbug Brew RTU - 1 quart

Captain Jack's Deadbug Brew Ready-To-Use formula contains Spinosad, a naturally occuring soil-dwelling bacterium that was collected on a Caribbean island from an abandoned rum distillery in 1982.
$8.50

Cedar Zone Spray - 1 quart

Use indoors and out! Cedar Zone is an all-natural insect repellent that utilizes the aroma of cedar to control scent-driven insects.
$14.20

CubeCap

Eliminate algae and the breeding ground for fungus gnats in your hydroponics with the pesticide-free CubeCap!
$1.57 - $1.85

CubeCap- 10 Count

Eliminate algae and the breeding ground for fungus gnats in your hydroponics with the pesticide-free CubeCap!
$14.20 - $17.58

Cultured Solutions UC Roots

Cultured Solutions UC Roots is a multi-purpose root zone optimizer that aids in mineral descaling and removal of potentially harmful biofilms in hydroponics nutrient reservoirs.
$17.05 - $149.10

Deer Stopper Barrier Ribbon

Deer Stopper Barrier Ribbon is the perfect deer repellent to ensure the hard work you put into your garden isn't in vain!
$12.30

Deer Stopper RTU

Deer Stopper has an extremely effective formula with natural, active ingredients that creates the perfect deer repellent to protect your garden.
$10.40 - $20.43

Doktor Doom Fogger

Doktor Doom total release fogger can be used in homeowner greenhouses, fruit and vegetable storage areas and indoor gardening areas. No phyto-toxicity to plants providing product is used as directed on the label.
$8.50 - $16.10

Doktor Doom Fogger - case of 12

Doktor Doom total release fogger can be used in homeowner greenhouses, fruit and vegetable storage areas and indoor gardening areas. No phyto-toxicity to plants providing product is used as directed on the label.
$92.10 - $115.85

Doktor Doom One-Two Punch package

Doktor Doom Spider Mite Knockout is a powerful spray that can be used indoors or out. It's safe to apply on food crops, such as tomatoes and other vegetables, up to one day before harvest.
$39.43

Down To Earth - Neem Seed Meal

Down To Earth's Neem Seed Meal is great as a soil amendment or as a top dress. Perfect to add to your super soil mixture.
$12.83 - $39.85

Elemental Sulfur Prills - 3 bags 4 lb each

Sulfur helps overcome common plant diseases by changing the pH on the surface of the plants.
$29.44

Fan Bug Screen

Sunlight Supply Bug Screen active carbon inserts are easy to slip on and off your inline fan.
$9.45 - $10.73

Final Stop Pest Control Killer Spray RTU - 24 oz

Dr. Earth Final Stop Pest Control Killer Spray is a natural organic insecticide that helps eradicate bug infestations.
$9.26

FloraShield

FloraShield is an all purpose anti-microbial solution developed for horticultural use. It disrupts multiple enzyme reactions that allow disease growth and development. Due to its mode of action, FloraShield is safe to use on, and around, actively growing plants at all stages of growth!
$21.33 - $59.80

FoxFarm Don't Bug Me - 1 quart spray

Don't Bug Me is an organic pest spray, derived from natural Pyrethrum (Chrysanthemum flower extract).
$9.45

goGnats Liquid Concentrate - 1 pint

GoGnats is an all natural poison-free liquid concentrate that is safe to use to help control insect infestations in your garden. Use it indoors or outdoors.
$20.19

Green Cleaner

Green Cleaner is a staple of all of our Growco employees. It's one of the best spider mite control products on the market in our opinion!
$16.10 - $427.45

GreenCure Organic Fungicide

GreenCure® is an organic potassium bicarbonate-based fungicide that's safe to use on any garden. Fruit and vegetables can be harvested as soon as 1 hour after spraying!
$15.15 - $48.40

Growstone Gnat Nix

Gnat Nix is the only environmentally friendly and scientifically proven product on the market to help control your fungus gnat infestation!
$11.39 - $44.41

Hesi PowerClean

Hesi PowerClean (formerly Powerzyme) is an enzyme extract for plants that works well with coco, soil and hydroponics gardening.
$80.70 - $180.45

Hot Pepper Wax Insect Concentrate - 1 quart

Hot Pepper Wax Insect Repellent is made from Cayenne Peppers!
$18.95

Hot Pepper Wax Insect Repellent - 22 oz

Hot Pepper Wax Insect Repellent is made from Cayenne Peppers!
$10.40

Hygrozyme Enzymatic Formula

Hygrozyme is the result of over 10 years of research, testing and approvals to get it to market. Developed, perfected and field-tested with the help of hydro growers, farmers and industry professionals.
$17.58 - $498.70

Kitchen Fruit Fly Trap

Get rid of fruit flies and other small pest flies very quickly and naturally with the BioCare Kitchen Fruit Fly Trap.
$9.45

Liquid Fence concentrate - 32 oz

Are the rabbits or deer eating your garden, flowers, trees or shrubs? Use Liquid Fence Deer & Rabbit Repellent. IT WORKS!
$37.99

Liquid Fence Deer & Rabbit Repellent

Are the rabbits or deer eating your garden, flowers, trees or shrubs? Use Liquid Fence Deer & Rabbit Repellent. IT WORKS!
$13.25 - $27.50

Liquid Ladybug

Used for controlling spider mite infestations, Liquid Ladybug is a bio miticide containing organic botanical oils.
$16.10 - $80.70

Microbe-Lift BMC - 2 oz

Control mosquito larvae in small areas of standing water! Use in hydroponics reservoirs, small water gardens, or with water fountains.
$14.20

Mighty Bomb - 32oz RTU Spray Bottle

​Mighty Bomb is 100% natural and organic, and it kills spider mites on contact!
$18.95

Mighty Wash Spider Mite Cleaner

That Stuff Mighty Wash is a new revolutionary way to solve your spider mite problem during all stages of development from eggs to adults.
$66.45 - $113.95

Monterey B.t. Concentrate - 16oz

Monterey B.t. is an insecticide designed to control caterpillars and worms. It contain bacillus thuringiensis and is certified organic.
$11.77

Monterey Garden Insect Spray

This is the best answer for thrips or gnats in any indoor or outdoor garden! A little of this concentrate goes a long way and will virtually eliminate an active thrip or gnat infestation with only one or two applications.
$17.76 - $29.40

Monterey Neem Oil - 16 oz

Monterey's Neem Oil is a powerful fungicide and insecticide combo that is safe to use indoors and outdoors on a wide variety of plants.
$19.48

Mosquito Dunks - package of 6

The most effective larvae killer we've found! For outdoor use, place Mosquito Dunks in ponds or standing water and it's active ingredient, BTI (Bacillus thuringiensis subspecies israaelenses) kills mosquito, black fly and thrip larvae for 30 days or more, avoiding annoying mature insects.
$10.40

Organocide concentrated - 1 quart

Organocide is an organic insecticide and fungicide that works on mites, whiteflies and aphids.
$15.15

Organocide Ready To Use - 24 oz spray

Organocide is an organic insecticide and fungicide that works on mites, whiteflies and aphids.
$10.40

Pest Out Organic Insecticide - Spray bottle - 1 quart

Pest Out miticide and insecticide is 100% organic! It provides reliable control of spidermites, thrips, aphids and other pests for up to ten days per application.
$9.26

Physan 20

Need to sterilize your growroom? Spray-N-Grow's Physan 20 is your solution! Excellent for controlling bacteria and fungi on seeds, seedlings, cuttings and ornamental plants. Eliminates foul odors and bacteria on contact. The biodegradable formula is safe for people, plants, pets and the environment!
$9.02 - $40.80

PM Wash Mold and Mildew Plant Cleaner

That Stuff PM Wash is a new revolutionary way to solve your mold and mildew problem during all stages of plant growth.
$32.25 - $66.45

Power Wash Residue Plant Cleaner

That Stuff Power Wash is a new revolutionary way to remove residual chemicals left by other plant sprays.
$28.03 - $55.05

Prozap Insect Guard Card

The Prozap Insect Guard card is a broad spectrum insecticide that helps control both flying and crawling insects.
$12.11

Pyrethrin Garden Insect Spray Concentrate - 1 pint

Bonide Pyrethrin Garden Insect Spray Concentrate is a natural option for economical, broad spectrum garden insect control.
$17.85

Rasta Bobs Death Mite - Concentrate 16 oz

Got a spider mite infestation in your garden? Rasta Bobs Death Mite is a plant-based non-toxic alternative to chemical insecticides.
$46.50

Rasta Bobs Death Mite - RTU Spray 16 oz

Got a spider mite infestation in your garden? Rasta Bobs Death Mite is a plant-based non-toxic alternative to chemical insecticides.
$25.60

Root Cleaner

The best part about Root Cleaner is that you won’t have to “stack” products. Root Cleaner kills both pests and their eggs, which eliminates the need for multiple products, and also prevents pests from building an “immunity” to the cleaner.
$32.25 - $280.20

Safer 3-in-1 Garden Spray RTU 32 oz

Safer 3-in-1 Garden Spray is an organic insecticide / fungicide that kills insects, mites and fungi all at one time!
$7.55

Safer Garden Fungicide Concentrate - 16 oz

When Safer Brand Garden Fungicide Concentrate is diluted, it makes 4-8 gallons of spray, based on the strength needed.
$9.87

Safer Garden Fungicide RTU - 1 quart

Safer Brand RTU Garden Fungicide is specially formulated with sulfur which inhibits the attack of fungal diseases.
$6.89

Safer Insecticidal Soap Concentrate - 1 pint

A good solution for tough insect infestations in your garden.
$10.21

Safer Insecticidal Soap Ready-To-Use Spray - 1 quart

A good solution for tough insect infestations in your garden.
$8.50

SaferGro Mildew Cure Concentrate

This natural fungicide is approved for use on edible crops! Mildew Cure is long lasting and safe to use around people and pets.
$11.35 - $17.05

SaferGro Mildew Cure RTU spray - 32 oz

This natural fungicide is approved for use on edible crops! Mildew Cure is long lasting and safe to use around people and pets.
$7.27

Sensi Zym

Advanced Nutrients Sensi Zym is a super concentrate of 88 different enzymes and has a safe shelf life of at least 18 months.
$16.39 - $222.25

Serenade Garden Disease Control - 1 qt concentrate

Serenade Garden Disease Control controls bacterial spot, powdery mildew, rust, gray mold, leaf blight, scab and more. There are no weather or timing restrictions for application. For the concentrate, the mix ratio is 1 oz. per gallon.
$18.00

Serenade Garden Disease Control - 1 qt spray

Serenade Garden Disease Control controls bacterial spot, powdery mildew, rust, gray mold, leaf blight, scab and more. There are no weather or timing restrictions for application. For the concentrate, the mix ratio is 1 oz. per gallon.
$9.45

Slug Shields 6-inch 12 pack

Slug Shields are an eco-friendly deterrent which prevents slugs and snails from damaging your plants.
$11.30

SNS 203 Natural Pesticide Concentrate

SNS-203 Natural Pesticide Concentrate is fully bio-degradable and non-toxic to animals.
$7.59 - $75.95

SNS 209 Concentrate

Use SNS 209 Systemic Insect Control as preventative maintenance to prevent bug infestations. It infuses plants with a small amount of rosemeric acid, distributing it throughout cell walls.
$7.59 - $16.63

SNS 244 Fungicide - 1 quart RTU with sprayer

SNS 244 is an all natural ready-to-use fungicide that is made up of 100% pure Thyme botanical extracts.
$20.43

SNS 311 Plant and Vegetable Wash - 4 oz

SNS 311 Plant and Vegetable Wash is a safe, natural way to remove wax, surface pesticide residues and dirt from plants and produce.
$7.59

SNS-217 Spider Mite Control

Sierra Natural Science Spider Mite Control (SNS-217) is made up of 100% pure Rosemary botanical extracts. These botanicals are all food grade materials. SNS-217 is fully bio-degradable and is not toxic to animals.
$7.59 - $72.68

Soil Sulfur

Sulfur helps overcome common plant diseases by changing the pH on the surface of the plants.
$6.41 - $9.98

Doktor Doom Spider Mite Knockout

Doktor Doom Spider Mite Knockout is a powerful spray that can be used indoors or out. It's safe to apply on food crops, such as tomatoes and other vegetables, up to one day before harvest.
$15.15

St. Gabriel Organics DE Insect Dust - 4.4 lbs

St. Gabriel Organics DE Insect Dust is a natural crawling insecticide made from FOOD GRADE Diatomaceous Earth (DE).
$8.50

Sulfur Vaporizer

Ideal for greenhouse use, the Sulfur Vaporizer helps overcome common plant diseases by changing the pH level on the surface of your plants.
$113.95

Sulfur Vaporizer Cup

This is original replacement equipment for the Sulfur Vaporizer.
$11.35

Sunleaves Block Covers

Algae requires light to survive and when there is none, it dies. UVA-inhibited Sunleaves Block Covers protect your garden from algae growth by preventing the light from penetrating down to the growing medium.
$5.65 - $11.35

X-Clude Formula 2 - 20 oz

1600 X-Clude Formula 2 is a ready-to-use aerosol insecticide whose active ingredient, pyrethrins (organic chemical compounds), have potent insecticidal activity.
$20.43

Yellow Sticky Ribbon Traps

Luckily, with this Yellow Sticky Ribbon Trap, you can begin to slow their infestation, and you can monitor which bugs are creating the biggest problem.
$21.80

Yellow Sticky Traps - 5 pack

Each Sticky Aphid / Whitefly Trap unfolds to expose about 30 square inches of non-toxic weatherproof adhesive. Both sides are coated so no matter which direction the insect touches it, it's caught!
$4.99

Zero Tolerance

Ed Rosenthal's Zero Tolerance eliminates plant pests. This herbal Pesticide-Fungicide is made from the highest quality oils of cinnamon, clove, rosemary and thyme.
$14.49 - $42.70

Zero Tolerance Concentrate

Ed Rosenthal's Zero Tolerance now comes in a powerful concentrate. It's so strong, it had to be packaged in a metal bottle! This 1-quart brushed aluminum concentrate makes five gallons of insecticide.
$59.80 - $94.95

Zero Tolerance Herbal Fungicide

Ed Rosenthal's all natural Zero Tolerance Herbal Fungicide destroys mold and fungi!
$14.49 - $42.70
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