Our rigorous multi-year, multi-site trialing program ensures that only the most drought-tolerant cultivars earn the TWCA Qualified Seal. To qualify, products must contain at least 70% TWCA-qualified material and meet strict turf quality standards. Independent peer review keeps the process objective and transparent.
Everyone has a role to play in conserving water — find yours with TWCA.
TWCA-qualified grasses save up to water while maintaining a healthy, usable lawn.
Gain access to the most rigorously drought-tested grass products in the industry—multi-year, multi-site trials, independently validated.
Launch a TWCA Trade-Up Program in your local water district to promote drought-tolerant landscaping.
Join a national network of university and private research sites advancing turfgrass science.
Each year TWCA awards $1,700 to honor innovation in turfgrass science and advocacy.
TWCA sets the industry standard for water-saving turfgrass. Each qualified grass must prove its drought tolerance through years of rigorous, multi-site trials and controlled drought testing. Results are measured with objective digital image analysis and reviewed by independent scientists. Only grass varieties that consistently meet TWCA’s high standards earn the seal — giving homeowners, landscapers, and sod farms confidence in proven water savings without sacrificing turf quality.
Estimate run times and schedule irrigation for TWCA‑qualified turf based on lawn size, system output, and seasonal conditions. Use it to dial in efficient watering and avoid waste.
A step‑by‑step checklist for soil prep, seeding rates, watering, mowing, and first fertilization. Designed for a smooth establishment period with clear, homeowner‑friendly instructions.
Stay updated on TWCA trials, qualified varieties, and practical water-saving tips. Get the latest resources, program news, and announcements as soon as they’re released.
