Crop Spraying in Hays County, TX by Drone for Pasture and Brush

Crop spraying prices in Hays County

Crop spraying in Hays County, TX by drone is quoted per acre, application only. Drone operators serving the county quote $7–75 per acre, with several starting at $12. Texas A&M AgriLife's 2026 custom rates for South Texas put aerial herbicide at $11.72 per acre and aerial brush work at $13.43. Our rates:

Service	Typical rate	Notes
Hay insecticide	from $10/acre	Fall armyworm
Pasture weed control	from $11/acre	Broadleaves, Johnsongrass
Brush	from $14/acre	Mesquite, prickly pear, cedar regrowth
Fence-row and spot work	from $16/acre	Mapped plants and edges
Vineyard	from $18/acre	Labeled products only

Each visit has a $275 minimum, and neighbors on the same road can share a trip. Product is billed separately. Quotes reflect brush density, slopes, homes nearby and the spray volume on the label.

Small places between Austin and San Antonio

Hays County had 940 farms in the 2022 Census of Agriculture, and 60% were under 50 acres; 61% sold less than $2,500 a year. Pasture covers 71% of farm land.

Land use or livestock	2022
Pasture	101,286 acres
Woodland	19,462 acres
Cropland	11,350 acres
Hay and haylage	4,209 acres
Cattle	7,610 head
Goats	4,628 head

Crop spraying in Hays County is mostly small-tract work: pastures, fence rows and brush on places near Dripping Springs, Wimberley, Driftwood, Kyle and Niederwald.

Keeping land productive

Many Hays County owners keep their land under agricultural or wildlife-management valuation. Wildlife valuation requires three of seven management practices each year, and habitat control is one of them. Whether a specific brush or weed program counts depends on your plan and your appraisal district, so check with them first. Either way, records from each flight document the work.

Two landscapes on one county line

The Balcones Escarpment splits the county: Hill Country limestone and cedar to the west, Blackland Prairie to the east.

Field condition	Tractor sprayer	Spray drone
Rocky Hill Country slopes	Tire damage, rollover risk	Follows terrain
Cedar and brush thickets	Can't get through	Flies over the canopy
Blackland after rain	Bogs down	No soil contact
Small fenced pastures	Gates and fences	Flies over fences

Edwards Aquifer care

Much of western and central Hays County sits on the Edwards Aquifer recharge and contributing zones. State rules there target waste wells, landfills and new feedlots rather than farm spraying, but many pesticide labels carry groundwater advisories for porous, karst ground. Operators follow those label limits, use low volumes and map caves, sinkholes and wells as no-spray zones.

San Marcos River and protected species

San Marcos Springs and the upper river are home to seven federally listed species, including Texas wild-rice, the fountain darter and the San Marcos salamander. Operators check EPA's Bulletins Live! Two for any added limits, keep wide buffers along the San Marcos and Blanco rivers and creeks, and fly only in light wind blowing away from water.

Vineyards around Driftwood and Dripping Springs

Driftwood and Dripping Springs have more than ten wineries, and grapes are highly sensitive to 2,4-D and dicamba drift. Texas growers have documented herbicide damage to vineyards for years. Operators check FieldWatch's DriftWatch and BeeCheck before every job, keep buffers from registered vines and choose products that won't volatilize toward them.

Live oaks and oak wilt

Oak wilt is present in 76 Texas counties and spreads through live oak roots about 75 feet a year. Avoid wounding oaks from February through June. Drones don't touch trees, so spraying under and around oak mottes avoids the cuts and scrapes that equipment can cause.

Johnsongrass and pasture weeds

AgriLife's 2025 guide treats Johnsongrass in bermuda pastures with Purestand MAX once Johnsongrass is 18–24 inches tall, with no mowing for 14 days before or after, or with Plateau after full bermuda green-up. Annual broadleaves are easiest to kill small in spring, and mesquite and prickly pear are sprayed in their own windows.

A Hays County spray year

Window	Typical drone work
March to April	Winter and early broadleaves
May to June	Mesquite in full leaf, Johnsongrass
June to August	Prickly pear, cedar regrowth
July to frost	Fall armyworm in hay
Fall	Fence rows and spot work

Airspace near San Marcos and Austin

San Marcos Regional Airport sits inside Class D airspace with a tower open most of the day, so fields near San Marcos and Niederwald need authorization. Austin-Bergstrom's Class C lies to the north, mostly above low-altitude spray flights over Buda and Kyle. Operators check airspace for every field.

Texas licensing for drone application

The Texas Department of Agriculture (TDA) requires a Commercial Applicator license with the Aerial category plus a use category such as Pasture and Rangeland. Hays County and its neighbors aren't on TDA's regulated-herbicide list. The FAA requires Part 107, Part 137 and a Section 44807 exemption for drones of 55 pounds or more.