Calotropis Gigantea Seeds Blue Crown Flower Important to Monarch Butterflies Calotropis gigantea Crown Flower Giant Calotrope This unique and hard to find variety grows in shrub form and can reach about 10 feet as a standard plant. It is the important plant for monarch butterfly reproduction. Upright growth is marked by gray green leaves accented by clusters of purple white blossoms. These booms are commonly used in Hawaii for leis Fun Facts: 1. Native to India, China as well as Cambodia 2. Hardy outdoors in zones 9+ 3. The genus name comes from the Greek words kalos meaning beautiful and tropos meaning boat We have been in the garden - seed business for over 40 years and were one of the first to sell on ebay many years ago. We will give you quality seed and service. We will be there for you not only today but down the road from now should you need growing help or more seeds. We thank you in advance for your business. Our seeds/bulbs are guaranteed to be fresh but are NOT guaranteed as to results. Sorry, but there are too many variables in gardening that can impact germination. Flower seeds/bulbs are a live organism. Their germination depends on many factor including heat, cooling, sun, shade, moisture, time of sowing, etc. None of these things We can control so We can not be held responsible for them. So please do not ask for a refund, replacement or to return unused seeds/bulbs.