General Information Holy Grail Hibiscus is a delightful shrub. It is great in borders, as a focal point planting or a variety of other landscaping areas. It is rounded in overall shape, growing to 5 feet tall and wide. The oval shaped leaves have a good deal of ornamental value. They are a deep purple-black in color, giving this shrub a great deal of ornamental value all through the growing season. The flowers are very large in size, growing up to 9 inches wide! They are a beautiful deep red in color. These flowers bloom from midsummer into the fall. These flowers are great for attracting butterflies and a variety of other pollinators. Hibiscus 'Holy Grail' grows to a height of 4 to 5 feet, with a similar spread. It is recommended for USDA climate zones 4 to 9. It tends to grow and flower best in full sunlight. Holy Grail does well with average amounts of moisture in well drained soils. NOT AVAILABLE FOR SALE IN THESE US STATES AND TERRITORIES: AK, HI, GM, PR, VI. Due to Department of Agriculture regulations, we cannot send plants to California. Our products will ship with USPS, FedEx or UPS. They should take 2 to 3 days to reach most areas that we ship to. All of our plants will be shipped out within 7 to 10 business days, with certain exceptions.