Turfgrass Trial Explorer
1. Choose cultivar or trial
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Select a cultivar
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Select a trial
2019 Bermudagrass - 2019-23
2013 Bermudagrass - 2013-17
2007 Bermudagrass - 2007-12
2002 Bermudagrass - 2002-06
1998 Bermudagrass on-site - 1998-01
1997 Bermudagrass - 1997-02
1992 Bermudagrass - 1992-96
1986 Bermudagrass - 1986-91
2020 Bentgrass (Putting Green) - 2020-22
2020 Bentgrass (Fairway/Tee) - 2021-22
2014 Bentgrass (Putting Green) - 2015-19
2014 Bentgrass (Fairway/Tee) - 2015-19
2008 Bentgrass (Putting Green) - 2009-13
2008 Bentgrass (Fairway/Tee) - 2009-13
2003 Bentgrass (Putting Green) - 2003-07
2003 Bentgrass (Fairway/Tee) - 2003-07
1998 Bentgrass (Putting Green) - 1998-02
1998 Bentgrass (Fairway/Tee) - 1998-02
1997 Bentgrass on-site - 1997-01
1993 Bentgrass (Green) - 1993-97
1993 Bentgrass (Fairway/Tee) - 1993-97
1989 Bentgrass (Native Soil Green) - 1990-93
1989 Bentgrass (Modified Soil Green) - 1990-93
1989 Bentgrass (Fairway/Tee) - 1990-93
2002 Buffalograss - 2003-06
1996 Buffalograss - 1996-00
1991 Buffalograss - 1991-95
2022 Cool-Season Fairway Water Use 2023
2016 Cool-Season Water Use - 2017-20
2015 Low Input Cool-Season - 2015-20
2020 Fineleaf Fescue - 2021-22
2014 Fineleaf Fescue - 2015-19
2008 Fineleaf Fescue - 2008-13
2003 Fineleaf Fescue - 2003-07
1998 Fineleaf Fescue - 1998-02
1993 Fineleaf Fescue - 1993-97
1989 Fineleaf Fescue - 1990-93
1983 Fineleaf Fescue - 1983-87
2017 Kentucky Bluegrass - 2018-22
2011 Kentucky Bluegrass - 2012-16
2005 Kentucky Bluegrass - 2005-10
2000 Kentucky Bluegrass - 2000-05
1995 Kentucky Bluegrass - 1995-00 (Medium-High Input)
1995 Kentucky Bluegrass - 1995-00 (Low Input)
1990 Kentucky Bluegrass - 1991-95 (Low Maintenance)
1990 Kentucky Bluegrass - 1990-95 (Medium-High Maintenance)
1985 Kentucky Bluegrass - 1986-90
1980 Kentucky Bluegrass - 1980-85
2016 USGA/NTEP On-Site Overseeding of Bermudagrass Fairways - 2017-18
2004 USGA/GCSAA/NTEP On-Site Overseeding of Bermudagrass Fairways - 2005-06
1999 On-Site Overseeding of Bermudagrass Fairways - 1999-01
2022 Perennial Ryegrass - 2023
2016 Perennial Ryegrass - 2017-21
2010 Perennial Ryegrass - 2010-14
2004 Perennial Ryegrass - 2005-09
1999 Perennial Ryegrass - 1999-03
1994 Perennial Ryegrass - 1994-98
1990 Perennial Ryegrass - 1991-94
1986 Perennial Ryegrass - 1986-90
1982 Perennial Ryegrass - 1982-86
2016 St. Augustinegrass - 2017-20
2007 St. Augustinegrass - 2007-12
2002 St. Augustinegrass - 2002-06
1996 St. Augustinegrass - 1996-00
1989 St. Augustinegrass - 1990-93
2016 Seashore Paspalum - 2016-20
2007 Seashore Paspalum - 2007-12
2018 Tall Fescue - 2019-23
2012 Tall Fescue - 2012-17
2006 Tall Fescue - 2006-11
2001 Tall Fescue - 2001-05
1996 Tall Fescue - 1996-00
1992 Tall Fescue - 1992-95
1987 Tall Fescue - 1987-91
1983 Tall Fescue - 1983-87
2019 Warm-Season (Putting Green) - 2021-23
2018 Warm-Season Water Use Drought - 2021-22
2018 Warm-Season (Low Input) - 2018-22
2013 Warm-Season Putting Green - 2013-17
2019 Zoysiagrass - 2019-23
2013 Zoysiagrass - 2013-17
2007 Zoysiagrass - 2007-12
2002 Zoysiagrass - 2002-06
1996 Zoysiagrass - 1996-01
1991 Zoysiagrass - 1991-95
2. Choose variable(s)
Variable guide
QUALITY RATINGS
QUALITY SPRING
QUALITY SUMMER
QUALITY FALL
QUALITY WINTER
GENETIC COLOR
GREENUP
LEAF TEXTURE
WEAR TOLERANCE
SEEDLING VIGOR
DENSITY SPRING
DENSITY SUMMER
DENSITY FALL
PCT living ground cover spring
PCT living ground cover summer
PCT living ground cover fall
FROST TOLERANCE
WINTER COLOR
WINTER KILL
DROUGHT TOLERANCE wilting
DROUGHT TOLERANCE dormancy
DROUGHT TOLERANCE recovery
DISEASES Typhula blight
DISEASES Melting-out spring
DISEASES Melting-out fall
DISEASES Leaf spot
DISEASES Stem rust
DISEASES Dollar spot
DISEASES Red thread
DISEASES Brown patch (Warm temperature)
DISEASES Pythium blight
DISEASES Stripe smut
DISEASES Crown rust
DISEASES Powdery mildew
DISEASES Fusarium Patch
DISEASES Fusarium Blight
SOD WEBWORM
BILLBUGS
DISEASES LEAF RUST
PERCENT WEEDS
POA ANNUA INVASION
CANOPY HEIGHT
STEMINESS
DISEASES SUMMER PATCH
DISEASES MICRODOCHIUM PATCH
DISEASES NECROTIC RING SPOT
DISEASES ANTHRACNOSE
DISEASES BROWN PATCH COOL
DISEASES DAMPING OFF
DISEASES FAIRY RING
DISEASES GRAY LEAF SPOT
DISEASES PYTHIUM ROOT ROT
DISEASES TAKE ALL PATCH
COLOR SEPTEMBER
COLOR OCTOBER
COLOR NOVEMBER
COLOR DECEMBER
SEEDHEAD
MOWING QUALITY
DISEASES SNOW MOLD
DISEASES PINK SNOW MOLD
DISEASES PINK PATCH
PERCENT ESTABLISHMENT
CHINCH BUG
PERCENT POA ANNUA
DISEASES FUSARIUM PATCH
WHITE GRUB
DISEASES BROWN BLIGHT
PERCENT ESTABLISHMENT MAY
PERCENT ESTABLISHMENT JUNE
PERCENT ESTABLISHMENT JULY
PERCENT ESTABLISHMENT AUGUST
VERTICAL GROWTH
PERCENT CRABGRASS
PERCENT TYPHULA BLIGHT
THATCH ASHED DRY WEIGHT
PYTHIUM BLIGHT AUGUST
TILLER COUNTS MARCH
TILLER COUNTS JUNE
PLANT HEIGHT
SCALPING RATING
SOD STRENGTH
PERCENT ESTABLISHMENT 4 WEEKS
PERCENT ESTABLISHMENT 8 WEEKS
PERCENT ESTABLISHMENT SEPTEMBER
PERCENT ESTABLISHMENT OCTOBER
PERCENT SCALPING
Show results for individual years (1 variable only)?
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01
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03
04
05
06
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09
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3. Filter by site characteristics and management practices (optional)
STATE
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USDAIBARC
Utah
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Washington
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Wisconsin
Wyoming
SOIL
PH
3.5 or less
3.6 - 4.5
4.6 - 5.5
5.6 - 6.0
6.1 - 6.5
6.6 - 7.0
7.1 - 7.5
7.6 - 8.5
8.6 +
SOIL
TEXTURE
Sand
Loamy sand
Sandy loam
Loam
Silt loam and silt
Sandy clay loam
Silty clay loam
Sandy clay
Silty clay and clay
SHADE
Dense shade
Uniform or artificial shade
Partial shade
Light shade
Full sun
IRRIGATION
PRACTICED
No irrigation
Irrigated only during severe →
→ moisture stress and dormancy
Irrigated to prevent dormancy
Irrigated to prevent stress
PHOSPHORUS
(i)
0 - 60
61 - 150
151 - 270
271 - 450
451 +
NITROGEN
(i)
0 - 1.0
1.1 - 2.0
2.1 - 3.0
3.1 - 4.0
4.1 - 5.0
5.1 - 6.0
6.1 - 7.0
7.1 - 8.0
8.1 +
POTASSIUM
(i)
0 - 150
151 - 240
241 - 375
376 - 500
9501 +
MOWING
HEIGHT
0 - 0.5"
0.6 - 1.0"
1.1 - 1.5"
1.6 - 2.0"
2.1 - 2.5"
2.6 - 3.0"
3.1 - 3.5"
3.6 - 4.0"
4.1 +
TRAFFIC
DESIGNATION
No traffic - Mechanical
Spring - Mechanical
Summer - Mechanical
Fall - Mechanical
Winter - Mechanical
Spring - Athletic
Summer - Athletic
Fall - Athletic
Winter - Athletic
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* Top performing statistical group:
green
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Copyright The National Turfgrass Evaluation Program (NTEP) - Version 1.0, June 2022
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