Turfgrass Species-Cool Season Grasses - Bluegrass and Fescue - slide set 3

Light Requirements:

1. Rough bluegrass

2. Kentucky bluegrass

3. Fine fescue

4. Annual bluegrass

5. Supina bluegrass

6. Tall fescue

Light Requirements:

1. Rough bluegrass → moderate to heavy shade

2. Kentucky bluegrass → sun to moderate shade

3. Fine fescue → partial sun to shade

4. Annual bluegrass → sun to shade

5. Supina bluegrass → sun to shade

6. Tall fescue → 3-4 hours direct sun

Annual bluegrass grows best in…

It tolerates __ to __

damp, fertile soil.

sun to shade

Annual bluegrass is __ maintenance and requires irrigation to be…

high; frequent

Annual bluegrass Description

1. Collar-broad, divided

2. Blade-2-3 mm wide; light to dark green ecotypes

Annual bluegrass Mowing Height - Lawns and Greens

Lawns: 2.5-3.5 inches

Greens: maintained at ≤1 inch

Annual bluegrass - Fertility Requirement

2-6 lbs of Nitrogen per 1,000 ft2 /yr

What soil and light conditions does Kentucky bluegrass prefer?

Fertile, well-drained soil.

Sun to moderate shade

What climate does Kentucky bluegrass grow in?

Temperate to subarctic

Where is Kentucky bluegrass commonly used?

Lawns

Athletic fields

Golf courses

Kentucky bluegrass requires __ maintenance

low to high - depending on the cultivar

Kentucky bluegrass Mowing Height - Spring/Fall and Summer

2.5-3 inches in Spring/Fall

3.5-4 inches in Summer

Kentucky bluegrass - Fertility Requirement

2-6 lbs of Nitrogen per 1,000 ft2 /yr

Kentucky bluegrass - Irrigation

as needed to maintain growth

Rough bluegrass require what kind of soil?

Light requirement?

damp/moist, fertile soils

moderate to heavy shade

Rough bluegrass has poor __ __

wear tolerance

Rough bluegrass require __ maintenance

moderate

Rough bluegrass - Mowing Height

2.5-3.5 inches

Rough bluegrass - Fertility Requirement

2-4 lbs of Nitrogen per 1,000 ft2 /yr

Rough bluegrass irrigation is necessary when?

during drought

Supina bluegrass require what kind of soil?

Light requirement?

damp/moist, heavy loam or clay, fertile soils

sun to shade

Supina bluegrass requires __ maintenance

high

Supina bluegrass - Mowing Height

0.5-2.5 inches

Supina bluegrass - Fertility Requirement

4-6 lbs of Nitrogen per 1,000 ft2 /yr

Supina bluegrass - when is irrigation necessary?

during drought

Supina bluegrass - Limitations

1. Expensive seed

2. Thatch builds up quickly

3. Will spread

Two groups of fescue

1. Coarse

2. Fine

Tall fescue - Good Characteristics

Wear, heat, drought tolerance

Tall fescue - Poor Characteristics

Cold tolerance, bunching, high water use

What kind of soil does Tall fescue like?

a wide variety

Tall fescue is widely used as a….

utility turfgrass

Tall fescue requires __ maintenance

low to moderate

Tall fescue - Mowing Height

Light requirements?

2.5-4 inches

3-4 hours direct sunlight

Fine fescue requires __ maintenance

low to moderate

Fine fescue - Mowing Height and Light Requirement

2.5-4 inches

shade to partial sun

Fine fescue - Fertility Requirement

2 lbs N/1,000 ft2/yr