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Mowing, watering, and fertilizing tips for Elite Tall Fescue lawns in East Tennessee
This Elite Tall Fescue guide walks you through the mowing, watering, fertilizing, and weed control that keep the unique blend selected for your lawn looking its best season after season.

Mowing is the foundation of good elite tall fescue lawn maintenance — get the height and frequency right and the rest gets easier.
| Mow when grass is this tall: | 3.25 inches (8.2cm) |
| Set cutting height of mower to: | 2.5 inches (6.3cm) |
Watering is a key part of elite tall fescue lawn maintenance. Water to supplement rainfall shortages only, and avoid fixed timer irrigation settings.
Water to supplement rainfall shortages only. Avoid fixed timer irrigation settings.
Tall Fescue performs best when it receives at least 1 inch of water per week; 2 inches in the heat of summer.
If one (two in the heat) or more inches of rainfall occurs in a week, additional irrigation is not necessary. (Example: if 1/2 inch of rain occurs within a growing week, apply 1/2 inch by irrigation.)
Do not waste water by over watering; avoid run-off and standing water for any period of time. (How and When to Water)
Weed control rounds out your elite tall fescue lawn maintenance routine. The best weed control is preventive:
Look up Gladiator Sod & Landscape’s yellow spreader settings here.
| Month | Fertilizer & Weed Control (lbs/1,000 sq.ft.) | Timing |
| Feb | 16-4-8 + Iron w/ pre-emergent @ 6 lbs. | First Week |
| April | 16-4-8 + Iron w/ pre-emergent @ 6 lbs. | First Week |
| July | 5-10-30* + Iron w/ Acelepryn (insecticide) @ 5 lbs. | Second Week |
| Sept | 5-10-30* + Iron @ 6 lbs. (no pre-emergent)** | Second Week |
| Nov | 16-4-8 + Iron @ 6 lbs. | middle of month |
**Be sure to omit pre-emergent when overseeding in Autumn
Fungus Control is an important part of elite tall fescue lawn maintenance: Tall Fescue sod is susceptible to fungus during the hot, humid summer months. It is best to take preventative action and apply fungicide during the warm months by following the schedule below.
To care for your Tall Fescue lawn like a pro, we recommend applying Professional Grade Fungicide every 14-28 days during summer, coupled with 5 preventative cultural practices. Begin lawn fungicide applications when nighttime low temperatures rise to 60°F.
| Month | Fungicide | Timing |
| May | Professional fungicide | Second Week |
| June | Professional fungicide | Second Week |
| July | Professional fungicide | Second Week |
| Aug | Professional fungicide | Second Week |
Thatch Removal: Tall Fescue doesn’t build up a layer of thatch in the same way that it builds up in warm season lawns. However, if the lawn has become “thatchy” with dried-up leaf debris from the summer, remove the debris in early fall before you reseed. Use a commercial dethatching machine or rake heavily. Collect and remove all debris.

Need a hand with best landscaping services in Knoxville, TN or ready to transform your outdoor space with the best landscaping services in Knoxville, TN? Contact Gladiator SOD and Landscaping today to schedule a consultation. Let us help you bring your vision to life and create the beautiful, functional outdoor space you’ve always dreamed of.
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All Locations
Mon-Sat (7am-8pm)
Sun (7am-2pm)
6620 Oak Ridge Hwy #102
Knoxville, TN 37931
Phone: (865) 963-1096
179 Belle Forest Cir Ste 103C
Nashville, TN 37221
Phone: (865) 963-1096
402 N B St
Lenoir City, TN 37771
Phone: (865) 963-1096
5.0verified by TrustindexTrustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.