flea and tick control do flea nad tick go dorment in winter
Unfortunately not for fleas at least.
Our houses are too warm and cosy with central heating etc that they don't have to have a break - they just keep going all year.
As ticks don't tend to live in houses I think they do tend to die off during the cold months though.
They do not go dormant. Changes in temperature hot to cold, or cold to hot increase breeding activity.
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