Morrenia odorata | Latexplant | Strangler vine White Milkweed Starter Plant Morrenia odorata, Rubber vine, strangler vine, milkweed vine or latex vine. Latexplant likes sun to partial shade and blooms repeatedly throughout the Spring, Summer, and early Fall. Strangler vine has a fragrant flower that attracts bees, butterflies, and birds. The plant is very drought tolerant. This ornamental perennial milkweed vine from Brazil has 5 inch ivy shaped, deep green leaves and a lovely vanilla fragrance, star shaped, greenish white flowers and as with most milkweeds it will support the growth of larval Monarch caterpillars. USDA Hardiness Zones 8 to 11