Jack-in-the-pulpits, Dutchman's Breeches, Bleeding Hearts, and Spring Beauties are the indicators I look for.
My Grandad swore that there was no point in looking until the oak leaves were the size of a squirrel's ear....
"Forget pounds and ounces, I'm figuring displacement!"
If we accept that: MBG(+)FGSF(=)HBG(F1) And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1) Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT? PB answer: It depends.