Yes, compost tea is beneficial for Plumeria as it provides a nutrient-rich liquid fertilizer derived from compost. Compost tea contains a diverse array of beneficial microorganisms that can improve soil health and aid in nutrient uptake by the plant. Compost tea can be applied as a soil drench or foliar spray to support overall plant growth and health. It’s essential to use well-made, well-aerated compost tea to ensure the presence of beneficial microbes. Compost tea can be applied in combination with regular root fertilization to provide a balanced nutrient supply for Plumeria.