Description of Madder, Field (Sherardia spp.):

Field madder is a prostrate winter annual weed with whorled leaves, square stems, and purple to pink flowers. Each whorl of leaves has from 4 to 6 leaves and erect stems that are square. The plant bears bunches of whiteish-pink flowers at the top of the stem. It may be mat-forming in mowed turf.

CertainLabel™

### Field Madder Optimized Control Options Finder

**Legend:**

Control

Suppression

No Control

*According to the manufacturer approved labels: The following*

**7 weed killers**, applied at the listed application rates, will control**Field Madder**.**Spot Treatment**

per

Label Rate:

**0.056**ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**177.187**gallonsat a cost of

**$0.76**per gallon**Blanket Treatment**

per

Label Rate:

**0.056**ounces per 1,000 sqft

Cost Effectiveness:

Covers

at a cost of

**177187**square feetat a cost of

**$0.76**per 1,000 sqft**Safe On**

Bermudagrass, Buffalograss, Centipedegrass, St. Augustinegrass, and Zoysiagrass

Safe Rate:

Safe Rate:

**0.056**-

**0.113**ounces per gallon

or

**0.056**-

**0.113**ounces per 1,000 sqft

**Spot Treatment**

per

Label Rate:

**0.75**-

**1.8**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**11.111**-**26.667**gallonsat a cost of

**$1.31**-**$3.15**per gallon**Blanket Treatment**

per

Label Rate:

**0.73**-

**1.84**fluid ounces per 1,000 sqft

Cost Effectiveness:

Covers

at a cost of

**10890**-**27225**square feetat a cost of

**$1.29**-**$3.21**per 1,000 sqft**Safe On**

Annual Bluegrass, Annual Ryegrass, Bentgrass, Colonial Bentgrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, and Tall Fescue

Safe Rate:

Safe Rate:

**1.1**-

**1.8**fluid ounces per gallon

or

**1.1**-

**1.84**fluid ounces per 1,000 sqft

Bermudagrass, Buffalograss, and Zoysiagrass

Safe Rate:

Safe Rate:

**0.75**-

**1.5**fluid ounces per gallon

or

**0.73**-

**1.47**fluid ounces per 1,000 sqft

**Spot Treatment**

per

Label Rate:

**1.2**-

**1.5**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**85.333**-**106.667**gallonsat a cost of

**$0.54**-**$0.68**per gallon**Blanket Treatment**

per

Label Rate:

**1.2**-

**1.5**fluid ounces per 1,000 sqft

Cost Effectiveness:

Covers

at a cost of

**85333**-**106667**square feetat a cost of

**$0.54**-**$0.68**per 1,000 sqft**Safe On**

Annual Ryegrass, Bahiagrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Tall Fescue, and Zoysiagrass

Safe Rate:

Safe Rate:

**1.2**-

**1.5**fluid ounces per gallon

or

**1.2**-

**1.5**fluid ounces per 1,000 sqft

Centipedegrass and St. Augustinegrass

Safe Rate:

Safe Rate:

**1**fluid ounces per gallon

or

**1**fluid ounces per 1,000 sqft

Bentgrass

Safe Rate:

Safe Rate:

**1**fluid ounces per gallon

or

**1**fluid ounces per 1,000 sqft

Bermudagrass

Safe Rate:

Safe Rate:

**0.75**-

**1.5**fluid ounces per gallon

or

**0.75**-

**1.5**fluid ounces per 1,000 sqft

**Spot Treatment**

per

Label Rate:

**1.1**-

**1.5**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**213.333**-**290.909**gallonsat a cost of

**$0.36**-**$0.50**per gallon**Blanket Treatment**

per

Label Rate:

**1.1**-

**1.5**fluid ounces per 1,000 sqft

Cost Effectiveness:

Covers

at a cost of

**213333**-**290909**square feetat a cost of

**$0.36**-**$0.50**per 1,000 sqft**Safe On**

Annual Bluegrass, Annual Ryegrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, and Tall Fescue

Safe Rate:

Safe Rate:

**1.1**-

**1.5**fluid ounces per gallon

or

**1.1**-

**1.5**fluid ounces per 1,000 sqft

Bahiagrass, Bermudagrass, Buffalograss, and Zoysiagrass

Safe Rate:

Safe Rate:

**1.1**-

**1.5**fluid ounces per gallon

or

**1.1**-

**1.5**fluid ounces per 1,000 sqft

Bentgrass

Safe Rate:

Safe Rate:

**0.66**fluid ounces per gallon

or

**0.66**fluid ounces per 1,000 sqft

**Spot Treatment**

per

Label Rate:

**0.37**-

**1.1**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**29.091**-**86.486**gallonsat a cost of

**$0.44**-**$1.31**per gallonInstructions:

See green rates section above for your grass type and rates.

**Blanket Treatment**

per

Label Rate:

**0.37**-

**1.1**fluid ounces per 1,000 sqft

Cost Effectiveness:

Covers

at a cost of

**29091**-**86486**square feetat a cost of

**$0.44**-**$1.31**per 1,000 sqftInstructions:

See green rates section above for your grass type and rates.

**Safe On**

Fine Fescue, Kentucky Bluegrass, Red Fescue, Tall Fescue, and Zoysiagrass

Safe Rate:

Safe Rate:

**0.75**-

**1.1**fluid ounces per gallon

or

**0.75**-

**1.1**fluid ounces per 1,000 sqft

Centipedegrass, Seashore Paspalum, and St. Augustinegrass

Safe Rate:

Safe Rate:

**0.37**-

**0.55**fluid ounces per gallon

or

**0.37**-

**0.55**fluid ounces per 1,000 sqft

Bentgrass and Bermudagrass

Safe Rate:

Safe Rate:

**0.75**fluid ounces per gallon

or

**0.75**fluid ounces per 1,000 sqft

**Spot Treatment**

per

Label Rate:

**0.75**-

**1.5**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**85.333**-**170.667**gallonsat a cost of

**$0.47**-**$0.94**per gallon**Blanket Treatment**

per

Label Rate:

**1.1**-

**1.5**fluid ounces per 1,000 sqft

Cost Effectiveness:

Covers

at a cost of

**85333**-**116364**square feetat a cost of

**$0.69**-**$0.94**per 1,000 sqft**Safe On**

Annual Bluegrass, Annual Ryegrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, and Tall Fescue

Safe Rate:

Safe Rate:

**1.1**-

**1.5**fluid ounces per gallon

or

**1.1**-

**1.5**fluid ounces per 1,000 sqft

Bahiagrass, Bermudagrass, Buffalograss, and Zoysiagrass

Safe Rate:

Safe Rate:

**0.75**-

**0.83**fluid ounces per gallon

or

**1.1**-

**1.5**fluid ounces per 1,000 sqft

Bentgrass

Safe Rate:

Safe Rate:

**0.66**fluid ounces per gallon

or

**0.66**fluid ounces per 1,000 sqft

**Spot Treatment**

per

Label Rate:

**0.73**-

**1.47**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**217.687**-**438.356**gallonsat a cost of

**$0.32**-**$0.64**per gallon**Blanket Treatment**

per

Label Rate:

**0.73**-

**1.47**fluid ounces per 1,000 sqft

Cost Effectiveness:

Covers

at a cost of

**217687**-**438356**square feetat a cost of

**$0.32**-**$0.64**per 1,000 sqft**Safe On**

Bahiagrass, Bermudagrass, St. Augustinegrass, and Zoysiagrass

Safe Rate:

Safe Rate:

**0.73**-

**0.92**fluid ounces per gallon

or

**0.73**-

**0.92**fluid ounces per 1,000 sqft

Bahiagrass, Bermudagrass, St. Augustinegrass, and Zoysiagrass

Safe Rate:

Safe Rate:

**0.73**-

**0.92**fluid ounces per gallon

or

**0.73**-

**0.92**fluid ounces per 1,000 sqft

Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, and Tall Fescue

Safe Rate:

Safe Rate:

**1.1**-

**1.47**fluid ounces per gallon

or

**1.1**-

**1.47**fluid ounces per 1,000 sqft

Bentgrass

Safe Rate:

Safe Rate:

**0.66**fluid ounces per gallon

or

**0.66**fluid ounces per 1,000 sqft