Out here in the Marshall area, I've got lots of big buds with flowers too. The trickle of sap I got in the past day is a little off-color too.
But - the forecast for the next two nights calls for a low of 16, both nights, so I may yet be in luck for a bud "reset". Looks like the Twin Cities & Hastings areas might be a tad warmer though. Keep up the hope! -maybe the temps will bottom out well for you...
Dan
-15 years sugaring and counting - hoping to create a tradition my kids will always remember
-400 taps, mostly buckets (Silver Maples + a few Boxelders just for the heck of it)
-Custom-built 2x6 evap with Smoky Lake Maple raised flue, boiling in dad's old farm granary, now converted to sugar shack
-Cobbled-together RO with XLE4040 membrane
-New in 2021: experimenting with 3/16 tubing & a Shurflo pump.