(image credits, IG: hoyalian) One of the most spectacular Hoya species is the Hoya macgillivrayi; this beauty is widely cultivated as an ornamental plant. Additionally, many hybrids involving the Hoya macgillivrayi plant have been developed for horticulture. The Hoya macgillivrayi plant requires filtered bright sunlight and a mildly humid environment with 60% to 80% humidity. …