Have you caught the Hoya bug yet, or are you planning to buy your first Hoya? If so, my Hoya Krimson Princess care guide covers all aspects of growing this Hoya plant. Hoya Krimson Princess Hoya Krimson Princess or Hoya carnosa ‘Rubra‘ (latin Hoya carnosa ‘Krimson Princess’) is a variegated variant of the ever popular Hoya …