Specticle FLO Pre-Emergent Herbicide

  • $434.99
  • $419.99

When it comes to keeping your warm season turf looking beautiful, look no further than Specticle FLO. It’s been proven to provide superior preemergence control of the most troublesome weeds. Specticle FLO is the best option for preventing annual bluegrass (Poa annua) in your warm season lawns like Bermudagrass, Zoysiagrass, Centipede, Bahiagrass, and St. Augustinegrass.

  • Extended residual control of Poa annua
  • Liquid formulation gets into soil quickly to get ahead of weeds
  • Provides long lasting,  broad-spectrum control of grassy and more than 60 broadleaf weeds
  • Covers up to 130,680 square feet

Specticle FLO liquid pre-emergent is designed for use only on warm-season grass. For maximum control against germinating weeds, Specticle FLO requires rainfall or irrigation prior to weed germination.

Specticle FLO uses the active ingredient indaziflam to control weeds for over 6 months.

Specticle FLO controls the following weeds.

Broadleaf Weeds:

  • American black nightshade
  • American burnweed (Fireweed)
  • Beggarticks
  • Bittercress
  • Black medic
  • Buckwheat, Wild
  • California burclover
  • Canada thistle, Common
  • Chamberbitter
  • Chickweed, Common
  • Chickweed, Mouse-ear
  • Clover, White
  • Corn speedwell
  • Cudweed, Linear-leaf/Purple
  • Cupid’s shaving brush
  • Curly dock
  • Dandelion, Cat’s Ear
  • Dandelion, Common
  • Dodder
  • Dogfennel
  • Eclipta
  • Evening primrose, Common
  • Evening primrose, Cutleaf
  • False chamomile
  • Filaree, Redstem
  • Florida pusley
  • Galinsoga
  • Garden spurge
  • Groundsel, Common
  • Hairy fleabane
  • Hairy nightshade
  • Henbit
  • Kochia
  • Lambsquarters, Common
  • Lawn burweed
  • Little mallow
  • London rocket
  • Longstalked phyllanthus
  • Mustard, Black
  • Mustard, Short-pod
  • Mustard, Wild
  • Parthenium
  • Pigweed, Prostrate
  • Pigweed, Redroot
  • Pink purslane
  • Plantain, Buckhorn
  • Plantain, Paleseed
  • Poinsettia, Wild
  • Prostrate knotweed
  • Prostrate spurge
  • Puncturevine
  • Purslane, Common
  • Ragweed, Common
  • Redmaids
  • Sesbania, Hemp
  • Shepherd's-purse
  • Sida, Prickly/Teaweed
  • Southern brassbuttons
  • Sowthistle, Annual
  • Spurge, Spotted
  • Stinkwort
  • Sunflower, Common
  • Swinecress
  • Tassel flower
  • Tropic ageratum
  • Velvetleaf
  • Vetch, Purple
  • Wild carrot
  • Willowherb
  • Woodsorrel, Yellow


  • Annual bluegrass
  • Annual kyllinga
  • Barnyardgrass, Common
  • Cheatgrass
  • Crabgrass, Blanket
  • Crabgrass, Henry
  • Crabgrass, Large/Hairy
  • Crabgrass, Smooth
  • Doveweed
  • Fall panicum
  • Foxtail brome
  • Foxtail, Giant
  • Foxtail, Green
  • Foxtail, Yellow
  • Goosegrass
  • Guineagrass
  • Kyllinga, Fragrant/Annual
  • Little barley
  • Mouse barley
  • Red brome
  • Rice flatsedge
  • Ryegrass, Italian
  • Ryegrass, Perennial
  • Sandbur
  • Sedge, Annual
  • Sedge, Globe
  • Tufted lovegrass

Quite the list right?

Coverage: 18 oz. bottle covers 130,680 square feet.

Active Ingredient: Indaziflam (7.4%)

Specticle FLO can be used on warm season grass types, such as the following:

Warm Season Lawns - Bermuda, St. Augustine, Zoysia, Centipede, Bahia, Buffalograss, Seashore paspalum

Read the product label for guidance on the best Pillar SC applications. 

Label: Specticle FLO Label

SDS: Specticle FLO Safety Data Sheet

Application: Battery-powered 4 gallon sprayer with large droplet nozzle recommended.

When to Apply: Late Summer / Early Fall. Water in after application.

Product is safe for warm season lawns. Do not apply to cool season grass.

Coverage: 18 oz bottle covers 130,680 square feet.

Application rates: .10 - .20 fl. oz per 1000 square feet. See Specticle FLO label for application rates specific to your grass type.

Does Specticle FLO need to be watered in?

  • Yes. Apply 1/4" of water from irrigation or rainfall to move Specticle FLO into the soil.

Can I apply fertilizer or Essential-G on the same day as Specticle FLO?

  • Yes. We recommend that fertilizer and Essential-G be applied before Specticle FLO.

How often do I need to apply Specticle FLO to prevent lawn weeds?

  • We recommend applying Specticle FLO once per year in the fall. 

Can I apply other liquids and and Specticle FLO on the same day?

  • Yes. We recommend applying other liquid products before Specticle FLO. 


Shipping: United States Only.

Currently NOT shipping to(AK,HI, CA, NY). For AZ, OR WA, just a small shipping charge of $5.00 will be applied. 

We can not ship to PO Boxes

Typically delivered in 3 - 7 business days.

Cancellations | Returns | Exchanges: All sales are final, no cancellations, returns, or exchanges