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Zoysiagrass

Description

Zoysiagrass is a warm-season grass that spreads by rhizomes and stolons to produce a very dense, wear-resistant turf. It is best adapted to the Piedmont and Coastal Plain regions of North Carolina, but some of the more cold tolerant cultivars can be grown in the western part of the state as well. There are three major species of zoysiagrass suitable for turf including Japanese lawngrass (Z. japonica), mascarenegrass (Z. tenuifolia), and manilagrass (Z. matrella). Zoysiagrass can often be confused with bermudagrass. However, zoysiagrass has hairs standing upright on the leaf blade whereas bermudagrass does not. Zoysiagrass is also stiff to the touch and offers more resistance than bermudagrass.

lawn Maintenance for September - November

Fertilization

Fertilize with 1 pound of potash (K2O) using 1.6 pounds of muriate of potash (0-0-60), 2 pounds of potassium sulfate (0-0-50), or 5 pounds of sul-po-mag (0-0-22) per thousand square feet. To determine the amount of product required to apply 1 pound of potash per thousand feet, divide 100 by the third number in the fertilizer ratio. For example, for a 6-6-12 fertilizer, divide 100 by 12. The result is 8.3 pounds of product per thousand square feet.

Insect Control

Follow the March-May insect control guidelines.

Irrigation

Follow the March-May irrigation guidelines. Dormant zoysiagrass may still need to be watered periodically when warm, windy weather prevails.

Mowing

Mow the lawn using the March-May guidelines.

Weed Control

Apply preemergence or postemergence herbicides as needed to control winter annual and perennial broadleaf weeds such as chickweed and hen bit. Preemergence herbicides will not control existing perennial weeds. Apply postemergence herbicides only when weeds are present.

Presentations

Publications

Species Data

Seedhead/Flower

seedhead a spikelet, with seeds alternating along head

dscn1000
dscn1000
dscn1000
Vernation type

leaves rolled in the bud

dscn0752
dscn0752
dscn0752
vernation
vernation
vernation
vernation2
vernation2
vernation2
vernation4
vernation4
vernation4
Ligule Type

short fringe of hairs, 0.008 inches (0.2 mm) long

dscn0599
dscn0599
dscn0599
ligule2
ligule2
ligule2
Growth Season/Life Cycle

warm season turf

Auricle type

absent

dscn0599
dscn0599
dscn0599
dscn1005
dscn1005
dscn1005
vernation2
vernation2
vernation2
Leaf blade tip shape

sharp-pointed; hairy above with at least a few long hairs near base, leaf blade stiff

leaftip2
leaftip2
leaftip2
Leaf blade width

0.08 - 0.16 inches (2 - 4 mm) wide

leaftip2
leaftip2
leaftip2
Stolon Presence

present; strong

stolon2
stolon2
stolon2
stolon7
stolon7
stolon7
Rhizome Presence

present

Collar Type

continuous; edges hairy

collar3
collar3
collar3
hairycollar
hairycollar
hairycollar
vernation
vernation
vernation
vernation4
vernation4
vernation4
Sheath Margin

split with overlapping margins; sheath may have tuft of hairs at throat

dscn0611
dscn0611
dscn0611
vernation
vernation
vernation
vernation2
vernation2
vernation2
zoysia
zoysia
zoysia