Warm-season · transition zone
Zoysiagrass care calendar
Dense, slow-growing warm-season turf. Late to green up, late to go dormant. Lower N needs than bermuda; excellent shade tolerance for a warm-season grass.
Mowing height
1"–2" (reel) · 1.5"–2.5" (rotary)
N per season
2–3 lb / 1,000 sq ft
Green-up
Soil ~65–70°F sustained (slower than bermuda)
Dormancy
First hard frost
Jan
winter
Dormant.
- Soil testZoysia does best in slightly acidic soil (6.0–6.5).
Feb
winter
Prep.
- Order pre-emergentProdiamine — timing follows soil temp, not date.
Mar
spring
Pre-emergent window.
- Apply pre-emergentSoil 2" at 55°F for 3+ days. Zoysia is still dormant — pre-emergent doesn't harm it.
Apr
spring
Slow green-up.
- PatienceZoysia lags bermuda by 2–4 weeks. Straw color into mid-April is normal.
- Post-emergent for winter weedsSafe on dormant zoysia in most cases — read the label.
May
spring
Wake up.
- First N app0.5–0.75 lb N / 1,000 sq ft. Slow-release preferred.
- First mow at target heightReel mower rewards you here — clean cuts, denser turf.
Jun
summer
Growing hard.
- Feed0.5 lb N / 1,000 sq ft. Zoysia burns easily — don't overdo it.
- Deep water1" per week including rain. Zoysia handles drought better than bermuda.
Jul
summer
Peak growth.
- Iron for colorChelated iron greens up without pushing top growth.
- Grubs checkJuly is peak grub-egg season. Preventative if you've had past damage.
Aug
summer
Cruise.
- Optional light feed0.25–0.5 lb N. Skip if lawn is dark and dense.
- Sedges & sandbursSedgehammer, Certainty for tougher sedges.
Sep
fall
Last feed.
- Final NWrap N applications by mid-month. Zoysia stores carbs early.
- Fall pre-emergentProdiamine before soil drops to 70°F.
Oct
fall
Wind down.
- Potassium boost0.5–1 lb K / 1,000 sq ft for winter hardiness.
- Aerate — only if actively growingZoysia recovers slowly; skip if temps already dropping.
Nov
fall
Leaf pickup.
- Clear leavesDense zoysia holds leaves — mulch-mow or rake.
Dec
winter
Dormant.
- NothingRest.
Time this to your actual weather
This calendar is a great baseline. Patch shifts every task to your real soil temp, GDD, and forecast.
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