blackberry winter

Etymology
So-called because it (typically) falls when blackberries are flowering.

Noun

 * 1)  A period of cold weather that falls when blackberries are flowering, or more generally any time in spring or early summer (March, April or May).

Coordinate terms

 * squaw winter
 * Indian summer and synonyms listed there

Translations

 * Catalan: sants de glaç
 * Dutch:
 * Finnish:
 * French:
 * German:, see also
 * Swedish: järnnätt