Best Time to Overseed Bermuda in Clovis, CA
The Clovis overseed window for perennial ryegrass over dormant Bermuda runs October 10 – November 10. Soil temperature at 4" depth needs to be steadily below 70°F but above 50°F — that window is short in Clovis because of how warm fall stays here (July average high 99°F). Overseed too early and the warm Bermuda crowds out the seedlings; too late and the seed germinates slowly then gets nipped by frost.
Clovis overseed window at a glance
Step-by-step: overseeding Bermuda in Clovis
- 1
Mow Bermuda short (1¼ – 1½")
About a week before your target seed date, drop your Bermuda lawn down to its lowest comfortable height. Removing the top growth lets the ryegrass seed reach the soil.
- 2
Dethatch lightly
Run a thatch rake or verticutter across the lawn to scratch the soil surface. You want soil contact for the ryegrass seed — heavy thatch will trap seed above the soil where it dries out and dies.
- 3
Spread perennial ryegrass seed at 8 – 10 lb / 1,000 sq ft
Use a drop or rotary spreader, walking the lawn in two passes at 90° to each other for even coverage. Perennial ryegrass tolerates traffic and looks more like Bermuda than annual ryegrass.
- 4
Top-dress with ¼" of compost or pure sand (optional)
A thin top-dress holds seed in place and locks in moisture. Skip it if you have a heavy-clay soil — top-dressing helps loosen tight ground but isn't required.
- 5
Water short, frequent cycles for 14 days
Run sprinklers 2 – 3 times a day at 5 – 7 minutes per zone to keep the seed bed moist (not soaked). Once you see consistent germination at day 10 – 14, drop back to one longer cycle every other day.
- 6
First mow at 2½" once ryegrass reaches 3"
Wait until ryegrass blades hit ~3" before the first mow — usually day 18 – 25. Use a sharp blade; pulling at young seedlings rips them out of the loose soil.
Overseeding in Clovis — frequently asked
- When is the best time to overseed Bermuda lawns in Clovis?
- The Clovis overseed window runs October 10 to November 10 — about a week later than Fresno because the foothill influence keeps Clovis evenings a touch warmer in early October. Aim for the run of nights right after the first sustained cool-down.
Want us to do it for you?
We handle Bermuda overseeding across Clovis every October — mow, dethatch, seed, top-dress, and the 14-day watering schedule. Get a quote in 30 seconds via the Clovis cost calculator or read more on our full overseeding guide.
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