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| January |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Fertilizing: Fertilize once with a 3-1-2 ratio (e.g. 21-7-14).
Watering: Water every 5-10 days, depending on the weather, to a soil depth of 4-6 inches.
Mowing: Recommend regular mowing DO NOT mow or walk on frosted turf.
Dethatch/Aerify: None
Seeding: None
Sodding: Overseeded sod (OSR) available (hybrid bermuda)
Pre-Emergent Weed Control: None |
Non-Overseeded Bermudagrass
Fertilizing: None
Watering: As dormant grass, water to a soil depth of 8-10 inches once a month, or less if it rains.
Mowing: None, dormant
Dethatch/Aerify: None
Seeding: None
Sodding: None
Pre-Emergent Weed Control: None |
| February |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Fertilizing: Fertilize once with a 3-1-2 ratio (e.g. 21-7-14).
Watering: Water every 5-10 days, depending on the weather, to a soil depth of 4-6 inches.
Mowing: Recommend regular mowing DO NOT mow or walk on frosted turf.
Dethatch/Aerify: None
Seeding: None
Sodding: Overseeded sod (OSR) available (hybrid bermuda)
Pre-Emergent Weed Control:To control spring and early summer weeds, apply one time February 25–March 5 in Phoenix, March 1–15 in Tucson. Follow label directions.
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Non-Overseeded Bermudagrass
Fertilizing: None
Watering: As dormant grass, water to a soil depth of 8-10 inches once a month, or less if it rains.
Mowing: None, dormant
Dethatch/Aerify: None
Seeding: None
Sodding: None
Pre-Emergent Weed Control:To control spring and early summer weeds, apply one time February 25–March 5 in Phoenix, March 1–15 in Tucson. Follow label directions.
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| March |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Fertilizing: Fertilize once with a 3-1-2 ratio (e.g. 21-7-14).
Watering: Deep water (8-10 inches) every 3-5 days.
Mowing:When nighttime temperatures are above 60ºF for at least 5 days in a row, over a period of 2-3 weeks mow progressively lower to 1/2 inch with a reel mower, 3/4 inch with a rotary mower, to encourage spring transition back to bermudagrass.
Dethatch/Aerify: None
Seeding: None
Sodding: Overseeded sod (OSR) available (hybrid bermuda and BOBsod)
Pre-Emergent Weed Control:To control spring and early summer weeds, apply one time February 25–March 5 in Phoenix, March 1–15 in Tucson. Follow label directions.
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Non-Overseeded Bermudagrass
Fertilizing: None
Watering: As dormant grass, water to a soil depth of 8-10 inches once a month, or less if it rains.
Mowing: None, dormant
Dethatch/Aerify: None
Seeding: None
Sodding: None
Pre-Emergent Weed Control:To control spring and early summer weeds, apply one time February 25–March 5 in Phoenix, March 1–15 in Tucson. Follow label directions.
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| April |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Fertilizing: Fertilize once with a 3-1-2 ratio (e.g. 21-7-14).
Watering: Deep water (8-10 inches) every 3-5 days.
Mowing:Maintain at 3/4 inch or lower to encourage spring transition back to bermudagrass.
Dethatch/Aerify: None
Seeding: None
Sodding:Non-overseeded sod available (hybrid bermuda and BOBsod)
Pre-Emergent Weed Control:None
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Non-Overseeded Bermudagrass
Fertilizing:Fertilize once with a 3-1-2 ratio (e.g. 21-7-14)
Watering: Deep water (8-10 inches) every 5-7 days
Mowing: Mow at minimum recommended height to encourage turf density.
Dethatch/Aerify: None
Seeding: None
Sodding:Non-overseeded sod available (hybrid bermuda and BOBsod)
Pre-Emergent Weed Control:None
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| May |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Fertilizing: Fertilize once with a 3-1-2 ratio (e.g. 21-7-14).
Watering: Deep water (8-10 inches) every 3-5 days.
Mowing: Maintain at 1/2 inch with a reel mower and 3/4 inch with a rotary mower until the overseed (OSR) dies.
Dethatch/Aerify:After May 15
Seeding: Common or turf type bermudagrass
Sodding:Non-overseeded sod available (hybrid bermuda and BOBsod)
Pre-Emergent Weed Control:None
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Non-Overseeded Bermudagrass
Fertilizing:Fertilize once with a 3-1-2 ratio (e.g. 21-7-14)
Watering: Deep water (8-10 inches) every 3-5 days
Mowing: Mow progressively higher to recommended height
Dethatch/Aerify:After May 15
Seeding: Common or turf type bermudagrass
Sodding:Non-overseeded sod available (hybrid bermuda and BOBsod)
Pre-Emergent Weed Control:None
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| June |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Spring transition back to bermudagrass should be completed by the end of June. Refer to each month’s section on Non-Overseeded Bermudagrass for turf care recommendations for June, July and August.
If you have followed the mowing recommendations and still have areas with ryegrass, it’s probably growing in shaded and/or wet areas which favor ryegrass.
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Non-Overseeded Bermudagrass
Fertilizing:Fertilize once with a 3-1-2 ratio (e.g. 21-7-14)
Watering: When it’s 90º F and above, deep water every 2-3 days
Mowing: Mow at recommended height.
Dethatch/Aerify: Remove thatch when more than 1/2 inch thick. Aerify as needed during the first four weeks of summer.
Seeding: Common or turf type bermudagrass
Sodding:Non-overseeded sod available (hybrid bermuda, BOBsod, and St. Augustine)
Pre-Emergent Weed Control:None
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| July |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Spring transition back to bermudagrass should be completed by the end of June. Refer to each month’s section on Non-Overseeded Bermudagrass for turf care recommendations for June, July and August.
If you have followed the mowing recommendations and still have areas with ryegrass, it’s probably growing in shaded and/or wet areas which favor ryegrass.
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Non-Overseeded Bermudagrass
Fertilizing:Fertilize once with a 3-1-2 ratio (e.g. 21-7-14)
Watering: When it’s 90º F and above, deep water every 2-3 days, reduce lawn watering when it rains.
Mowing: Mow at maximum recommended height to enhance stress tolerance.
Dethatch/Aerify: Remove thatch when more than 1/2 inch thick. Aerify as needed during the first four weeks of summer.
Seeding: Common or turf type bermudagrass
Sodding:Non-overseeded sod available (hybrid bermuda and BOBsod, ans St. Augustine)
Pre-Emergent Weed Control:None
Soil Amendment: Apply gypsum. Follow label directions.
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| August |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Spring transition back to bermudagrass should be completed by the end of June. Refer to each month’s section on Non-Overseeded Bermudagrass for turf care recommendations for June, July and August.
If you have followed the mowing recommendations and still have areas with ryegrass, it’s probably growing in shaded and/or wet areas which favor ryegrass.
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Non-Overseeded Bermudagrass
Fertilizing:Fertilize once with a 3-1-2 ratio (e.g. 21-7-14)
Watering: When it’s 90º F and above, deep water every 2-3 days, reduce lawn watering when it rains.
Mowing: Mow at maximum recommended height to enhance stress tolerance.
Dethatch/Aerify: No later than August 15.
Seeding: Common or turf type bermudagrass. DO NOT plant after August 31.
Sodding:Non-overseeded sod available (hybrid bermuda, BOBsod, and St. Augustine)
Pre-Emergent Weed Control: If you’re NOT going to overseed this fall, to control winter annual weeds apply once August 25–September 15 in Phoenix; September 1-21 in Tucson.
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| September |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Fertilizing: Do not fertilize 4-6 weeks before overseeding
Watering: When it’s 90º F and above, deep water every 2-3 days; below 90º F, water every 3-5 days (DO NOT shut the water off completely- it could hurt the bermudagrass).
Mowing: Mow at maximum recommended height to enhance stress tolerance. If temperatures drop below 100º F begin to lower mowing height in preparation for overseeding (OSR).
Dethatch/Aerify: None
Seeding: None
Sodding: Non-overseeded sod available (hybrid bermuda, BOBsod, and St. Augustine)
Pre-Emergent Weed Control: None
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Non-Overseeded Bermudagrass
Fertilizing: Fertilize once with a 3-1-2 ratio (e.g. 21-7-14) only if you DO NOT intend to overseed
Watering: When it’s 90º F and above, deep water every 2-3 days; below 90º F, water every 3-5 days
Mowing: Mow at maximum recommended height to enhance stress tolerance.
Dethatch/Aerify: None
Seeding: None
Sodding:Non-overseeded sod available (hybrid bermuda, BOBsod, and St. Augustine)
Pre-Emergent Weed Control: If you’re NOT going to overseed this fall, to control winter annual weeds apply once August 25–September 15 in Phoenix and September 1-21 in Tucson. Follow label directions.
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| October |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Fertilizing: Do not fertilize 4-6 weeks before overseeding. Do not fertilize OSR until after 1st mowing.
Watering: After overseeding, 3-4 times daily for 5-10 minutes to keep seeds damp until germination.
Mowing: Mow bermuda progressively (over 2-3 weeks) lower to 1/2 inch with a reel mower, 3/4 inch with a rotary mower, to prepare for overseeding. When OSR is 2 inches, barely mow the ryegrass, no lower than 1 1/2 inches. Once established (when each plant has 3 to 4 blades), can lower height.
Dethatch/Aerify: Before overseeding, lightly dethatch only if necessary to ensure rye seed has soil contact.
Seeding: When nighttime temperatures are below 65º or it’s less than 78º–83º daytime, overseed with rye for winter color and protect dormant bermuda.
Sodding: Non-overseeded sod available (hybrid bermuda and BOBsod)
Pre-Emergent Weed Control: After third mowing to control winter annual weeds apply once by November 30.
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Non-Overseeded Bermudagrass
Fertilizing: Fertilize once with a 3-1-2 ratio (e.g. 21-7-14)
Watering: Deep water (8-10 inches) every 3-7 days
Mowing: If not dormant, mow at maximum recommended height to enhance stress tolerance.
Dethatch/Aerify: None
Seeding: None
Sodding: Non-overseeded sod available (hybrid bermuda and BOBsod)
Pre-Emergent Weed Control: None
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| November |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Fertilizing: Do not fertilize OSR until after 1st mowing
Watering: After OSR is established, water every 3-10 days to a soil depth of 4-6 inches
Mowing: When OSR is 2 inches, barely mow the ryegrass, no lower than 1 1/2 inches. Once established (when each plant has 3 to 4 blades), can lower height.
Dethatch/Aerify: None
Seeding: When nighttime temperatures are below 65º or it’s less than 78º–83º daytime, overseed with rye for winter color and to protect dormant bermuda. Overseeding should be completed no later than November 15.
Sodding: Overseeded sod (OSR) available (hybrid bermuda and BOBsod) Pre-Emergent Weed Control: After third mowing to control winter annual weeds apply once by November 30.
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Non-Overseeded Bermudagrass
Fertilizing: None
Watering: Prior to grass going dormant, water every 5-10 days. Once grass goes dormant, water to a soil depth of 8-10 inches once a month, or less if it rains.
Mowing: None
Dethatch/Aerify: None
Seeding: None
Sodding: None
Pre-Emergent Weed Control: None
Tip: After the last cut on bermuda is a good time to have the mower blades sharpened for the first cut of OSR or for spring
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| December |
| Bermudagrass/Overseeded with Ryegrass (OSR)
Fertilizing: Fertilize once with a 3-1-2 ratio (e.g. 21-7-14)
Watering: After OSR is established, water every 4-14 days, to a soil depth of 4-6 inches
Mowing: After OSR is established (when each plant has 3 to 4 blades), recommend lower mowing height
Dethatch/Aerify: None
Seeding: None
Sodding: Overseeded sod (OSR) available (hybrid bermuda and BOBsod)
Pre-Emergent Weed Control: None
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Non-Overseeded Bermudagrass
Fertilizing: None
Watering: As dormant grass, water to a soil depth of 8-10 inches once a month, or less if it rains.
Mowing: None, dormant
Dethatch/Aerify: None
Seeding: None
Sodding: None
Pre-Emergent Weed Control: None
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