# item.guide
Side-by-Side Comparison Lawn & Garden

Garden Hoses vs. Grass Mowing Heights

Comparing 2 standards across 16 specifications. 16 key differences identified.

Comparing:
Garden Hoses
Grass Mowing Heights

Residential garden hoses standardize at 5/8-inch (15.9 mm) inside diameter delivering 10–15 GPM, fitted with 3/4"-11.5 NH Garden Hose Threads (GHT). Lightweight hoses measure 1/2-inch (6–8 GPM), while commercial high-flow hoses measure 3/4-inch (18–22+ GPM).

View full Garden Hoses spec sheet →

Turfgrass cutting heights vary between cool-season grasses (Kentucky Bluegrass 2.5–3.5", Tall Fescue 3–4") and warm-season grasses (Bermudagrass 1–2", Zoysia 1–2"), governed by the One-Third Rule never removing more than 1/3 of the blade in a single mowing.

View full Grass Mowing Heights spec sheet →

Specification Comparison Table

16 Parameters
Parameter / Spec
Governing Standards
ASME B1.20.7 (GHT Threads) / RMA Hose Specifications GCSAA Guidelines / University Turf Extension Research
1/2-Inch Hose (12.7 mm ID)
Flow: 6–8 GPM (23–30 L/min) | Lightweight for balconies and small yards
5/8-Inch Hose (15.9 mm ID)
Flow: 10–15 GPM (38–57 L/min) | Universal residential benchmark
3/4-Inch Hose (19.1 mm ID)
Flow: 18–22+ GPM (68–83 L/min) | Commercial pressure washers & long runs
Fitting Thread Standard
3/4"-11.5 NH (Garden Hose Thread–GHT) with rubber compression washer
Light-Duty Burst Pressure
200 to 250 PSI (14–17 bar)
Medium-Duty Burst Pressure
300 to 400 PSI (21–28 bar)
Commercial Heavy-Duty Burst
500+ PSI (34+ bar) with crush-proof machined brass couplings
The One-Third Rule
Never remove more than 1/3 of total grass blade height in one mowing
Kentucky Bluegrass
2.5 to 3.5 inches (6.4–8.9 cm) | Cool-season standard
Tall Fescue
3.0 to 4.0 inches (7.6–10.2 cm) | Drought-tolerant cool-season
Perennial Ryegrass
2.0 to 3.0 inches (5.1–7.6 cm) | Cool-season overseed
Fine Fescue
2.0 to 3.0 inches (5.1–7.6 cm) | Shade-tolerant cool-season
Bermudagrass
1.0 to 2.0 inches (2.5–5.1 cm) | Warm-season sun lover (Reel or rotary)
Zoysiagrass
1.0 to 2.0 inches (2.5–5.1 cm) | Dense warm-season carpet
St. Augustinegrass
3.0 to 4.0 inches (7.6–10.2 cm) | Coarse warm-season lawn