What plant hardiness zone is Swede Heaven

Swede Heaven is located at Snohomish County, Washington (WA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Swede Heaven is 8a by the USDA scale.

Coldest zone's winter temperature is +10 … +15 °F.

Plants of 8a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8a USDA.

Swede Heaven, Washington @ wikipedia.