The Jamaica captain will remain at Deepdale until Wednesday, April 6 as North End, rock-bottom of the npower Championship, bid to avoid relegation.
Gardner, 32, is set to make his debut for Phil Brown's men in Tuesday's home clash with Leeds.
He becomes reunited with the Preston boss after Brown's spell at Bolton as assistant to Sam Allardyce at the Reebok Stadium.
Source: PA
Source: PA