If you’re looking for a California native tree, consider the Tecate cypress (Hesperocyparis forbesii). This drought and salt-tolerant plant can grow in USDA zones 7 to 9 in a wide range of soils.
The worst blow yet to the butterfly — and its rare host plant, the Tecate cypress — came in 2003, when the Mine fire tore across 46,000 acres of the San Ysidro (Otay) Mountains. A single new wildfire ...