Lawn Care Guide for Bourbon County
Bourbon County, Kansas
Data Story
About Lawn Care in Bourbon County, Kansas
Steady Growing Conditions in Bourbon County
Bourbon County matches the state average with a lawn difficulty score of 59.6, indicating a standard Kansas lawn experience. As a Zone 7a region, it supports many southern grass varieties that can handle warmer winter lows. It remains nearly 10 points easier to manage a lawn here than the national median.
High Rainfall Meets Long Growing Seasons
Bourbon County receives a robust 43.7 inches of rain, the highest among its neighbors, providing a great natural water supply. However, 53 extreme heat days and 4,457 growing degree days mean the grass grows fast and requires frequent mowing. The high precipitation helps offset the heat, but high humidity can increase fungal risks.
Clay-Rich Soils with Optimal Acidity
A soil pH of 6.25 makes Bourbon County an excellent place for phosphorus and nitrogen availability. The soil is 28.9% clay, which keeps that 43.7 inches of rainfall from draining away too quickly. Gardeners should watch for drainage issues during heavy downpours, as specific drainage data is not available to confirm runoff rates.
Critical Water Management for 100% Dry Areas
Despite the high annual rainfall, the county is currently 100% abnormally dry and saw 23 weeks of drought last year. This volatility makes it essential to water deeply once a week rather than light daily sprinkling. Deep watering encourages roots to dive further into the clay, protecting them when the rain stops.
Early Spring Starts for Bourbon Turf
With the last frost occurring early on April 5, Bourbon County residents can start their lawn work before most of the state. Zoysia or Bermuda grass are excellent Zone 7a choices that love the local heat and high growing degree days. If you prefer cool-season grass, ensure it is well-established before the 53 heat days begin.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Bermudagrass
Cynodon dactylon
Climate Snapshot
Annual Precip
43.7"
Growing Degree Days
4,456.8
Base 50F
Last Spring Frost
04/05
First Fall Frost
10/28
Days Above 95F
53
Hardiness Zone
7a
Seeding Calendar — Zone 7A
Seasonal Lawn Care Checklist
Spring
- Apply pre-emergent herbicide when soil reaches 55F
- Begin mowing when grass reaches 3 inches
- Start irrigation if rainfall is below 1 inch/week
- Soil test every 2-3 years — adjust lime or sulfur as needed
Summer
- Mow at recommended height weekly
- Water deeply 1-2 times per week (1 inch total)
- Avoid fertilizing cool-season grasses in peak heat
- Scout for grubs and treat if >10 per sq ft
Fall
- Overseed warm-season lawns if thinning
- Apply fall fertilizer (highest N application for cool-season)
- Continue mowing until growth stops
- Rake or mulch leaves to prevent smothering
Winter
- Apply pre-emergent for winter weeds
- Service mower and sharpen blades
- Plan spring soil amendments based on fall test
- Keep lawn clear of debris
Watering Deficit Calculator
Monthly Deficit
0.4"
inches of water
Monthly Water
1,143
gallons
Estimated Monthly Cost
$9.15
at $0.008/gallon average
Estimates based on 44" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Bourbon County
Persistent Drought Conditions
Bourbon County experienced drought conditions for 23 of the past 52 weeks. Prioritize water-efficient grasses and consider reducing lawn area.
Learn more about regional lawn challenges at The Lawn Report.
Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com
Data sourced from USDA SSURGO, NOAA Climate Normals (1991-2020), USDA Plant Hardiness Zone Map, and US Drought Monitor. Lawn difficulty scores and grass recommendations are estimates for informational purposes only.
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