Deadly mushrooms are popping up in Parks. Note that all vegetative resources in County Parks are protected, including mushrooms. Mushroom collecting and eating is not allowed. The forested slopes and steep, cool canyons of Huddart Park are located within easy reach of the population centers of the San Francisco Peninsula. The park is only 3.5 miles west of Highway 84.
Report Abuse. Depends on the species and variety as to how big a hibiscus plant will grow. Your local soil and climate will also be a determining factor in this as well.Most tropical (woody) types average 6-15 feet tall and the hardy or perennial species range from 3-12 feet in my experience.eport Abuse. Depends on the species and variety as to how big a hibiscus plant will grow. Your local soil and climate will also be a determining factor in this as well.
Rose of Sharon. Also known as hardy hibiscus, Rose of Sharon (Hibiscus syriacus) grows as specimens or hedges in USDA hardiness zone 5b through 9a. The shrubs prefer well-drained soil and are moderately drought tolerant. Rose of Sharon grows to a height of 8 to 12 feet with a spread of 4 to 10 feet at maturity. Growth rate is slow to moderate, growing to maturity in seven to eight years. The deciduous shrubs are covered with white to pink to purple flowers during summer.