TWCA

TWCA TWCA is a 501c3 non-profit dedicated to water conservation and committed to preserving the ecological benefits of turfgrass in our managed environment.

We use a multi-year, multi-site trialing approach to qualify drought tolerant turf cultivars.

07/14/2026

Attention Twin Cities Residents! Twin City Seed is partnering with the Nokomis East Neighborhood Association and the Turfgrass Water Conservation Alliance TWCA to put on a workshop and seed sale for local residents. The workshop will take place tomorrow night at New Branches Church, and the program will include access to special pricing on some of our seed mixtures. Follow the link below to sign up! https://www.nokomiseast.org/buildingbetteryards2026

Summer heat puts landscapes to the test. TWCA-qualified turfgrass is proven to maintain quality while using up to 40% le...
06/03/2026

Summer heat puts landscapes to the test. TWCA-qualified turfgrass is proven to maintain quality while using up to 40% less water than conventional options.

Learn more at tgwca.org

Years of rigorous research. Proven performance you can trust.www.tgwca.org
05/27/2026

Years of rigorous research. Proven performance you can trust.

www.tgwca.org

Happy Memorial Day!
05/25/2026

Happy Memorial Day!

When you see the TWCA seal, you know your turf is backed by proven efficiency and performance. www.tgwca.org
05/20/2026

When you see the TWCA seal, you know your turf is backed by proven efficiency and performance.

www.tgwca.org

Resilience starts with rigorous testing. Only the strongest varieties earn approval.https://www.tgwca.org/
05/15/2026

Resilience starts with rigorous testing. Only the strongest varieties earn approval.

https://www.tgwca.org/

Choose grass seed that matches your climate and growing conditions. In northern and transition zones, cool-season grasse...
05/13/2026

Choose grass seed that matches your climate and growing conditions. In northern and transition zones, cool-season grasses deliver rich color throughout the year, while warm-season grasses thrive in the heat and drought common in southern regions.

To learn more visit
https://www.tgwca.org/

Water conservation is not a trend. It is the future of turf.Become a TWCA member and align with turfgrass cultivars that...
05/07/2026

Water conservation is not a trend. It is the future of turf.

Become a TWCA member and align with turfgrass cultivars that deliver proven water savings backed by research. Together, we are setting a higher standard for performance and responsibility.

Explore membership details:
www.tgwca.org/membership/

Entries are tested across multiple locations and years. Cultivars must meet or exceed the drought‑tolerance standard at ...
05/05/2026

Entries are tested across multiple locations and years. Cultivars must meet or exceed the drought‑tolerance standard at all locations for at least two years to qualify.

To learn more visit https://www.tgwca.org/qualification/

Address

Corvallis, OR
97330

Telephone

+15412571962

Website

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