Posh are on the crest of a wave having secured their place in the final of the Johnstone's Paint Trophy this week, but Ferguson says his players mustn't be complacent against Boro.
"Stevenage play a particular way, they've got high energy and we're going to have to match that," Ferguson told ITV News Anglia.
"When we get the ball, we're going to have to play good football - that will be the key. It's always a difficult game at Stevenage and I don't expect anything different on Saturday."
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Showers, possibly heavy and thundery in places at first, will die out this evening. Sunny spells and a few showers on Thursday.