Description of Cornflower (Centaurea cyanus):

Cornflower, aka "bachelor's button," is well known for its color which is described as "cornflower blue." It belongs to the daisy family and can grow from between 1 to 3 feet in height. The leaves are grayish-green and the flowers blue. It blooms from June to September.

CertainLabel™

### Cornflower Optimized Control Options Finder

**Legend:**

Control

Suppression

No Control

*According to the manufacturer approved labels: The following*

**10 weed killers**, applied at the listed application rates, will control**Cornflower**.**Spot Treatment**

per

Label Rate:

**1**-

**1.5**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**21.333**-**32**gallonsat a cost of

**$0.49**-**$0.74**per gallon**Blanket Treatment**

per

Label Rate:

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

Cost Effectiveness:

Covers

at a cost of

**29040**square feetat a cost of

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

Annual Ryegrass, Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Carpetgrass, Centipedegrass, Chewings Fescue, Fine Fescue, Hard Fescue, Kentucky Bluegrass, Kikuyu Grass, Perennial Ryegrass, Red Fescue, St. Augustinegrass, Tall Fescue, and Zoysiagrass

Safe Rate:

Safe Rate:

**1**-

**1.5**fluid ounces per gallon

or

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

**Spot Treatment**

per

Label Rate:

**1**-

**1.25**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**12.8**-**16**gallonsat a cost of

**$1.61**-**$2.01**per gallon**Blanket Treatment**

per

Label Rate:

**1**-

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

Cost Effectiveness:

Covers

at a cost of

**12800**-**16000**square feetat a cost of

**$1.61**-**$2.01**per 1,000 sqft**Safe On**

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

Safe Rate:

Safe Rate:

**1**-

**1.25**fluid ounces per gallon

or

**1**-

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

Bentgrass

Safe Rate:

Safe Rate:

**1**-

**1.25**fluid ounces per gallon

or

**1**-

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

**Spot Treatment**

No spot treatment rates listed. Please, review the label or contact the merchant for more information.

**Blanket Treatment**

per

Label Rate:

**0.37**-

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

Cost Effectiveness:

Covers

at a cost of

**217800**-**871200**square feetat a cost of

**$0.00**per 1,000 sqft**Safe On**

Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Chewings Fescue, Fine Fescue, Hard Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, St. Augustinegrass, Tall Fescue, and Zoysiagrass

Safe Rate:

Safe Rate:

**0.37**-

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

**Spot Treatment**

per

Label Rate:

**0.18**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**175.251**gallonsat a cost of

**$1.04**per gallon**Blanket Treatment**

per

Label Rate:

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

Cost Effectiveness:

Covers

at a cost of

**175251**square feetat a cost of

**$1.04**per 1,000 sqft**Safe On**

Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Centipedegrass, Chewings Fescue, Kentucky Bluegrass, Kikuyu Grass, Perennial Ryegrass, Red Fescue, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass

Safe Rate:

Safe Rate:

**0.09**-

**0.51**fluid ounces per gallon

or

**0.09**-

**0.51**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

**21.333**-**29.091**gallonsat a cost of

**$1.72**-**$2.34**per gallon**Blanket Treatment**

per

Label Rate:

**1.1**-

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

Cost Effectiveness:

Covers

at a cost of

**21333**-**29091**square feetat a cost of

**$1.72**-**$2.34**per 1,000 sqft**Safe On**

Annual Ryegrass, Bahiagrass, Bermudagrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Tall Fescue, 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

Annual Ryegrass, Bahiagrass, Bermudagrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Tall Fescue, 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:

**0.67**fluid ounces per gallon

or

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

**Spot Treatment**

per

Label Rate:

**1.33**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**24.06**gallonsat a cost of

**$0.81**per gallon**Blanket Treatment**

per

Label Rate:

**0.73**-

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

Cost Effectiveness:

Covers

at a cost of

**27657**-**43560**square feetat a cost of

**$0.45**-**$0.70**per 1,000 sqft**Safe On**

No safe on treatments listed. Please, review the label or contact the merchant for more information.

**Spot Treatment**

per

Label Rate:

**0.73**-

**1.28**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**250**-**438.356**gallonsat a cost of

**$0.57**-**$1.01**per gallon**Blanket Treatment**

per

Label Rate:

**0.73**-

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

Cost Effectiveness:

Covers

at a cost of

**250000**-**438356**square feetat a cost of

**$0.57**-**$1.01**per 1,000 sqft**Safe On**

Chewings Fescue, Fine Fescue, Hard Fescue, Red Fescue, and Tall Fescue

Safe Rate:

Safe Rate:

**0.73**-

**1.28**fluid ounces per gallon

or

**0.73**-

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

Kentucky Bluegrass and Perennial Ryegrass

Safe Rate:

Safe Rate:

**0.73**-

**1.28**fluid ounces per gallon

or

**0.73**-

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

**Spot Treatment**

per

Label Rate:

**0.91**-

**1.29**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**24.806**-**35.165**gallonsat a cost of

**$1.41**-**$1.99**per gallon**Blanket Treatment**

per

Label Rate:

**0.91**-

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

Cost Effectiveness:

Covers

at a cost of

**24806**-**35165**square feetat a cost of

**$1.41**-**$1.99**per 1,000 sqft**Safe On**

Bahiagrass, Bentgrass, Bermudagrass, Chewings Fescue, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Tall Fescue, and Zoysiagrass

Safe Rate:

Safe Rate:

**0.91**-

**1.29**fluid ounces per gallon

or

**0.91**-

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

Centipedegrass and St. Augustinegrass

Safe Rate:

Safe Rate:

**116.48**-

**165.12**fluid ounces per gallon

or

**0.91**-

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

**Spot Treatment**

per

Label Rate:

**0.33**-

**0.67**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**47.761**-**96.97**gallonsat a cost of

**$0.29**-**$0.59**per gallon**Blanket Treatment**

per

Label Rate:

**0.73**-

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

Cost Effectiveness:

Covers

at a cost of

**21769**-**43836**square feetat a cost of

**$0.64**-**$1.28**per 1,000 sqft**Safe On**

No safe on treatments listed. Please, review the label or contact the merchant for more information.

**Spot Treatment**

per

Label Rate:

**0.73**-

**1.1**fluid ounces per gallon

Cost Effectiveness:

Makes

at a cost of

**29.091**-**43.836**gallonsat a cost of

**$1.05**-**$1.58**per gallon**Blanket Treatment**

per

Label Rate:

**0.73**-

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

Cost Effectiveness:

Covers

at a cost of

**29091**-**43836**square feetat a cost of

**$1.05**-**$1.58**per 1,000 sqft**Safe On**

Safe Rate:

**0.73**-

**1.1**fluid ounces per gallon

or

**0.73**-

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

Bentgrass

Safe Rate:

Safe Rate:

**0.73**-

**1.1**fluid ounces per gallon

or

**0.73**-

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