Blackberry Winter. Out of all the cold snap types, Blackberry Winter is the one most folks have heard mentioned before. Like Dogwood Winters, Blackberry Winters happen in late spring when the flowers of the blackberry bush are in bloom.Click to see full answer. Correspondingly, which comes first blackberry winter or dogwood winter?If not they bloom around the spring equinox. Dogwood Winter usually comes second thru third week of April (10th – 17th) and is followed by Locust Winter at April’s end (May Day or Maying time). Blackberry Winter hits around 10th-15th of May and Longjohn Winter finishes May.Subsequently, question is, what are the 5 winters? Here are the five little winters and when they occur in Tennessee: Redbud Winter: early April. Dogwood Winter: late April. Locust Winter: early May. Blackberry Winter: mid May. Britches Winter: late May. In respect to this, what month is blackberry winter in? Answer: Blackberry winter is mainly a Southern term used to describe a brief period of cold weather that coincides with the time the blackberries are in bloom, (typically in early to mid May).What comes after redbud winter?In some areas, a late cold snap occurs with the blooming of the locust trees (Robinia pseudoacacia) usually before the dogwoods bloom or the redbuds (Cercis canadensis). So you have Locust Winter, and Redbud Winter happening after the first flush of warm spring days and before Dogwood Winter and Blackberry Winter.