burgeon (EN)
verb

verb “burgeon”

burgeon; he burgeons; past burgeoned, part. burgeoned; ger. burgeoning
  1. to increase in size or amount
    As spring arrived, the tiny buds on the trees began to burgeon, signaling the end of winter.
  2. to produce buds
    As spring arrived, tiny buds began to burgeon on the bare branches, signaling the end of winter.