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When purchasing a product, price is the consumer's primary concern. At present, Ortho has 306 products for sale. Ortho products range in price from $9.97 to $49.99, and the average price of all the products is about $20.74.

We found that most of the Ortho products are manufactured by The Scotts Company LLC, The Scotts Company, and Scotts Miracle Gro. The manufacturers provide Ortho with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Ortho products on Amazon.com. The brand holds an average rating of 4.4, testifying to its excellent reputation.

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Ortho Best Sellers

Last Updated: Jan 11, 2026

Ortho Orthene Fire Ant Killer1, Kills the Queen and Destroys Mounds, Begins Working in 60 minutes, 12 oz., 2-Pack

  • Ortho Orthene Fire Ant Killer1 kills the queen, destroys the mound and treats up to 162 mounds
  • This fire ant killer begins killing in just 60 minutes so you can get back to enjoying your yard fast
  • Kill fire ants outdoors on your lawn and around ornamental plants, including flowers, trees and shrubs

Ortho Orthene Fire Ant Killer1, Kills The Queen, Destroys up to 189 Mounds, Begins Working in 60 Minutes, 14 oz.

  • Ortho Orthene Fire Ant Killer1 kills the queen, destroys the mound, and treats up to 189 mounds
  • This fire ant killer begins killing in just 60 minutes so you can get back to enjoying your yard fast
  • Kill fire ants outdoors on your lawn and around ornamental plants, including flowers, trees and shrubs

Fire Ant Killer Lawn and Landscape, Broadcast Ready-to-Spray, Kills Fire Ants, Controls Ants, Fleas and American Dog Ticks, 32 fl. oz.

  • Ortho Orthene Fire Ant Killer Lawn & Landscape kills fire ants and prevents new mounds from forming for up to 3 months
  • This pest control product kills aphids, armyworms and other listed insects (see label for complete list), and will control ants, fleas, and American dog ticks for up to 3 months
  • Use this ant control product on roses and other ornamental plants, around trees and shrubs, and on lawns

Ortho Home Defense Insect Killer for Indoor and Perimeter2 with Comfort Wand, Controls Ants, Roaches, Spiders and More, 1.33 gal

  • Ortho Home Defense Insect Killer for Indoor & Perimeter2 kills the toughest home-invading insects, including ants, cockroaches, spiders, fleas, ticks, scorpions, earwigs, silverfish and periodical cicadas (as listed)
  • This insect killer spray provides a long-lasting bug barrier of up to 12 month protection against ants, roaches and spiders indoors on non-porous surfaces
  • Use this pest control spray indoors in kitchens and bathrooms or around doors and windows, and outdoors to the perimeter of foundations, patios, decks, garages or wherever insects are a recurring problem

Ortho Home Defense Max Indoor Insect Barrier with Extended Reach Comfort Wand, Kills Ants, Roaches, Spiders, Fleas and Ticks, 1 gal.

  • Start killing ants, roaches, spiders, fleas and ticks with Ortho Home Defense Max Indoor Insect Barrier
  • This insect control spray kills listed bugs and protects your home for 365 days against ants, roaches and spiders indoors on nonporous surfaces
  • Use this indoor insect spray in kitchens, bathrooms and basements, and around doors and windows; apply outdoors to foundations to create a barrier around your home

Ortho Home Defense Insect Killer for Indoor and Perimeter Refill2, Controls Ants, Roaches, Spiders and More, 1 gal

  • Ortho Home Defense Insect Killer for Indoor & Perimeter Refill2 kills the toughest home-invading insects, including ants, cockroaches, spiders, fleas, ticks, scorpions, earwigs, silverfish and periodical cicadas (as listed)
  • This insect killer spray provides a long-lasting bug barrier of up to 12 month protection against ants, roaches and spiders indoors on non-porous surfaces
  • Use this pest control spray indoors in kitchens and bathrooms or around doors and windows, and outdoors to the perimeter of foundations, patios, decks, garages or wherever insects are a recurring problem

Ortho Orthene Ant and Roach Killer, Provides Long-Lasting Insect Control, for Indoor and Outdoor Use, 1 lb.

  • Ortho Orthene Ant & Roach Killer is a ready-to-use insect killer dust that works to kill listed insects for up to 8 months
  • This odorless insect killer controls ants, roaches, fleas, ticks, spiders, scorpions, stink bugs and other listed pests
  • Use this pest control product indoors to treat cracks, crevices and other hiding and runway areas; apply outdoors as a perimeter treatment or to ornamentals, flowers and listed vegetable plants

Ortho Home Defense Max Bed Bug, Flea and Tick Killer with Comfort Wand, Bed Bug Spray, Kills Bed Bug Eggs, Fleas and Ticks, 1 gal.

  • Kill bed bugs, bed bug eggs, fleas and ticks with Ortho Home Defense Max Bed Bug, Flea & Tick Killer
  • This bed bug spray kills even the toughest bed bugs (pyrethroid-resistant bed bugs)
  • Use this indoor bug killer as a spot treatment around bed frames, baseboards and mattress seams, tufts and folds

Ortho GroundClear Year Long Vegetation Killer2 Concentrate, Kills and Prevents Weeds Up to 1 Year, 2 gal.

  • Ortho GroundClear Year Long Vegetation Killer2 Concentrate kills weeds, grasses and existing vegetation, and prevents regrowth for up to 1 year
  • The fast-acting weed killer starts working immediately and is rainproof in 1 hour
  • Use this weed control product where no plant growth is wanted for at least a year on driveways, sidewalks, fence lines, paver patios, walkways, gravel areas, parking areas, and other hardscapes

Ortho Home Defense Insect Killer for Indoor and Perimeter Concentrate, Kills Ants, Cockroaches and Spiders, 32 oz.

  • Ortho Home Defense Insect Killer for Indoor & Perimeter Concentrate kills listed home-invading bugs, including ants, cockroaches, spiders, fleas, and ticks
  • This insect control product creates a bug barrier that kills listed insects and also prevents new ants, spiders, and cockroaches for up to 12 months (indoors on non-porous surfaces)
  • This home pest control product is non-staining, odor-free, and dries in minutes

Ortho GroundClear Weed and Grass Killer with Comfort Wand, Kills Dandelions, Chickweed, Crabgrass, Moss and More in Patios and Landscapes, OMRI Listed, 1 gal.

  • People and pets may enter treated areas after spray has dried
  • This fast-acting weed control product absorbs on contact to produce results in just 15 minutes, and is rainproof in 2 hours (upon drying)
  • This weed and grass killer controls weeds in, on and around walkways and driveways, under trees, and in landscape beds; not for use on lawns or grasses you like

Ortho BugClear Insect Killer for Lawns and Landscapes Ready-to-Spray, Kills Periodical Cicadas, Mosquitoes, Ants, Spiders, Fleas, Ticks and More, 32 oz.

  • Kill 235 listed bugs, including ants, ticks, armyworms, mosquitoes, fleas, spiders and periodical cicadas, with Ortho BugClear Insect Killer for Lawns & Landscapes Ready-to-Spray
  • This outdoor bug spray starts killing within minutes, and provides long-lasting control
  • Use this Insect killer on lawns, around your home perimeter, and on ornamentals, flowers, trees, shrubs and listed vegetables and fruit trees

Ortho Orthene Ant Killer Ant Bait, Indoor Ant Killer, Kills The Queen and The Colony, 12 Stations

  • Ortho Orthene Ant Killer Ant Bait solves ant problems by killing the queen and the colony
  • Attack Ants at the Source: Bait stations are a sneak attack ants won't see coming - foraging worker ants find the bait then share it with the whole colony, and you see fewer ants in 3-7 days
  • Place Ant Bait Where Ants Like to Snack: Set bait stations in places such as along baseboards, in corners of rooms and cabinets, around pipes, in the pantry, on window sills, around doorways, and near garbage cans

Ortho Fire Ant Killer Broadcast Granules, Kills Mounds in 15 Minutes, 6 Month Protection, Treats 5,650 sq. ft., 13 lb.

  • Ortho Fire Ant Killer Broadcast Granules destroy fire ants, mounds and the queen, and prevents them from coming back so you can enjoy your yard all season long
  • Kill fire ant mounds and prevent new mounds from forming for up to 6 months with one broadcast treatment
  • Use this fire ant killer on lawns to kill mounds in just 15 minutes

Ortho Dial N Spray Hose-End Sprayer for Liquid Weed and Insect Killer, Fungicide, Fertilizer with 14 Dilution Settings

  • The Ortho Dial N Spray Hose End Sprayer makes it easy to spray liquid concentrates such as weed killers, insect killers, fungicides, and fertilizers by applying the exact amount every time, with no mixing, measuring, or mess
  • 3 spray patterns deliver the precise amount of treatment where needed: 1) broadcast is perfect for large areas, 2) jet reaches high places or tough rinse jobs, and 3) shower is light enough for gentle vegetation and flowers
  • 14 dilution settings automatically mix from 1 tsp to 8 oz per gallon of water

Ortho Home Defense Max Indoor Insect Barrier Refill Pouch for Battery-Powered Sprayer, Kills Ants, Roaches, Spiders, Fleas and Ticks, 1.5 L

  • Start killing ants, roaches, spiders, fleas and ticks with Ortho Home Defense Max Indoor Insect Barrier
  • This insect control spray kills listed bugs and protects your home for up to 365 days against ants, roaches, and spiders indoors on nonporous surfaces
  • Use this indoor insect spray in kitchens, bathrooms and basements, and around doors and windows; apply outdoors to foundations to create a barrier around your home

Ortho WeedClear Weed Killer for Lawns Refill, Kills More than 250 Weeds including Dandelion and Clover, 1 gal

  • Weed killer for lawns: Use Ortho WeedClear Weed Killer for Lawns to kill over 250 listed weeds including dandelion and clover down to the root, without harming your lawn (when used as directed)
  • Fast-acting weed control: Kills listed weeds like dandelion, clover, and chickweed down to the root and gets results with 1 application
  • Spot treatment for weeds: Kills weeds not the lawn when used as directed - use on St. Augustinegrass (not Floratam), Bermudagrass, Centipedegrass, Zoysiagrass, Buffalograss, and Bahiagrass, Kentucky Bluegrass, Ryegrass, Tall Fescue, and Fine Fescue

Ortho Lands B-Gon Grass Killer for Landscapes (4)

  • Kills weedy grasses without injuring ornamental plants
  • For use in and around ornamentals, ground covers, evergreens, shrubs, shade trees, and non-bearing tree crops and vines
  • Kills annual and perennial grassy weeds

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