What plant hardiness zone is Loon Lake

Loon Lake is located at Stevens County, Washington (WA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Loon Lake is 6a by the USDA scale.

Coldest zone's winter temperature is −10 … -5 °F.

Plants of 6a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6a USDA.

Loon Lake, Washington @ wikipedia.