A new and distinct cultivar of Red Hot Poker plant named Kniphofia ‘;Jackpot’; with long, gracefully-arching, strap-like, keeled, glaucous, gray-green foliage and numerous scapes beginning in early summer and repeating though early fall. Habit is densely growing, winter-hardy, tolerant of heat, deer and rabbits. Numerous scapes of vivid reddish-orange flowers on tall scapes beginning in early summer and repeating into early October. The new plant is useful for landscaping as a specimen, en masse, or as a long-lasting cut flower.