Grown in full sun to partial shade, Aloysia gratissima is a large and moderately tolerant shrub native to Mexico and South America. It can grow up to 5-10 feet tall, producing fragrant white or off-white flowers with yellow and orange centers in the spring through fall. Attracting butterflies and hummingbirds, this ethnomedical plant is drought tolerant, low-water use, and tolerant of soils which are poorly drained.
It thrives in USDA Zones 8-11. In cold regions, Aloysia gratissima should be grown in a large enough pot to prevent it from freezing, and the pot should be brought inside during severe weather. Provide shade or mulch when temperatures dip too low, and be sure to water deeply after periods of extreme cold. Use a slow-release fertilizer to encourage healthy growth.
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