2023 Washington Code > Chapter 15.08 – Horticultural pests and diseases

2022 Washington Code > Chapter 15.08 – Horticultural pests and diseases

2020 Washington Code > Chapter 15.08 – Horticultural pests and diseases

2019 Washington Code > Chapter 15.08 – Horticultural pests and diseases

2018 Washington Code > Chapter 15.08 – Horticultural pests and diseases

2016 Washington Code > Chapter 15.08 – Horticultural pests and diseases

2015 Washington Code > Chapter 15.08 – Horticultural pests and diseases

2014 Washington Code > Chapter 15.08 – Horticultural pests and diseases

2013 Washington Code > Chapter 15.08 – Horticultural pests and diseases