Soil pH in Wagoner, OK: Lime or Sulfur?

Typical topsoil pH in Wagoner, OK

Typical topsoil in Wagoner, OK is pH 6.05, already right for vegetable garden (6-7). Test before adding anything.

What Wagoner needs, by plant

• Already in range: lawn (cool-season grass), vegetable garden, strawberries, roses, pink hydrangeas.
• Just outside, test first: tomatoes (off by 0.2), potatoes (off by 0), azaleas and rhododendrons (off by 0).
• Sulfur: blueberries 2.3 lb/100 sq ft over 2 applications; blue hydrangeas 1.8 lb/100 sq ft.

What to do next

If your test lands near 6.05, you can skip lime and sulfur for lawn (cool-season grass), vegetable garden, tomatoes, potatoes, strawberries, roses, azaleas and rhododendrons, pink hydrangeas.

How mixed the soil is

Of the 351,833 surveyed acres in Wagoner, OK, 67% are moderately acidic (5.5-6.5), 28% are near neutral (6.5-7.3), 4% are strongly acidic (below 5.5), 1% are alkaline (above 7.3). Mapped soils run from pH 4.6 to 7.9, a spread of 3.3 units across 185 soil components. 67% of the land falls in one class, so the county figure is a fair first guess for most yards here.

Clay, organic matter and rates

Topsoil here averages 20.4% clay and 2.08% organic matter, which this site treats as loam. Moving it one pH unit takes about 7 lb of lime or 2.3 lb of sulfur per 100 sq ft. 3% of mapped components carry free carbonate (lime already in the ground).

Wagoner against the rest of Oklahoma

pH 6.05 is 0.5 below the Oklahoma median of 6.55. 21 of 77 Oklahoma counties have more acidic topsoil. Nationally it is level with than the US county median of 6.05.

Closest in pH within the state: Okmulgee (5.97), Craig (5.99), Rogers (6.03), Creek (6.04), Tulsa (6.12), Nowata (6.15), Okfuskee (6.15), Choctaw (6.19).

The range in Oklahoma runs from Adair at 5.12 to Beaver at 7.65; Wagoner sits 37% of the way up.