Yellow / Orange / Silky Gold Butterfly Milkweed Seeds Monarch Host Plant (asclepias curassavica ) (24+ Seeds) 24+ Seeds per pack with detailed growing instructions included from Onalee's Seeds Perennial plant (zones 4-9; self-sowing annual in other areas) is a native to North America which grows 3-4 high. Full sun/part shade. Dry, sandy soil. Suitable for containers or landscape. Butterfly Garden plant. Attractive to Monarch Butterflies who use leaves as a host plant for their caterpillars. Must-have for your butterfly garden! Bloom the first year and can be planted anytime after last frost. Create your own butterfly garden by combining these with Torch Mexican Sunflowers (check my other offerings!)  you will be amazed at the variety and quantity of butterflies you will attract to your garden with these plants!! Dont worry if the caterpillars eat the leaves  that is a milkweed plant's purpose in your garden, to help propagate more butterflies! To make sure you have plants for yourself to enjoy, be sure to plant enough for you AND the butterflies!