I looked at the Sunset Zones and for Anchorage would add one more. I live in a micro-climate in Anchorage according to the local botanical garden map. We are to the west all but on the coast of the inlet. I grow zone 4 plants easily, every so often a 5 but rarely. We are usually at least 10 degrees warmer than the colder areas but have a pretty constant west south wind in the afternoons off the water than can chill things down. I can grow cold weather crops like cabbage, cauliflower, broccoli, by planting seeds directly in the ground by the latter part of May but I also plant indoors from April 15 to May 15 to get some double crops over summer. Am going to try planting garlic and onions this fall. I know the garlic will grow as the Anchorage Botanical Garden has some growing in a front bed and they are colder than I am (although the bed gets north sun not blocked by trees). Not sure about the onions but I found a couple of volunteers in my raised beds this spring (either that or chives.)
