Historic & Scenic Sites in and around Washington County, MO by Esther & Gene Carroll History of Washington County Jails & Courthouses by Esther Carroll These links are a part of Carrolls' Corner - lots of Washington County History!
In a humid environment, over 60% of newly hatched fleas can live without a host for 2 months. In a cool, dry environment, only 10% will live without an immediate host. Humidity is the key to flea survival.
Report Abuse. Adult fleas can live one to two months without a blood meal and seven to eight months with a blood meal ...watch your feet.eport Abuse. Adult fleas can live one to two months without a blood meal and seven to eight months with a blood meal ...