What Smartweed Looks Like:

Smartweed (Polygonum spp.) may have erect or creeping rootstocks. The stem is distinctly jointed, with each swollen joint or node covered by a thin sheath. Leaves are alternate and usually linear to elliptical. Flowers are white, or pink. Smartweed may be emeresed or submersed with only the flowers being displayed.

How to Treat Smartweed:

Avocet

Mix the following in a tank sprayer:
This solution treats 2,000 square feet
-4 oz Avocet
-2 oz CideKick
-1 gallon Water

THEN
Use The Airmax® Eco-System's 4-Step Process to keep your pond healthy all season.