Philodendron Billietiae Aurea Variegated week 26 with the pattern often becoming with the pattern often becoming more pronounced on newer growth and in brighter light it produces stronger growth and more defined foliage over time Growth is vining and climbing over time with aerial roots developing along the stem and it performs best in bright indirect light warm temperatures high humidity and a loose well aerated substrate that supports steady active growth and stable variegation expression Philodendron Billietiae Aurea Variegated is a rare tropical aroid known for its long narrow foliage and striking orange petioles combined with irregular variegation that appears as sectors marbling and splashes of cream yellow and light green across the leaf surface