It's usually early September, but I've seen it as early as August 17 and technically, according to my landscaper, it can happen any month. Mostly because we radiate so well
I'm starting to get that itch to start working on my yard and plant things. Then I checked last year records to see the last frost and realized we were at 35F in late June. That's 3 months away. Just shoot me...
Sap is going strong though so at least there's that. 0.8" of cement last night; made it easier to carry the sap sled