Over-wintering populations of monarch butterflies reached a record low this year. Several factors, including excessive or untargeted herbicide use, have combined to reduce the insectâ€™s summer breeding habitat, and loss of winter habitat in Mexico has also played a role. Brevard naturalist and monarch advocate Ina Warren will be the presenter. Free seeds of locally native milkweed given. $5. Located along U.S. 276 four miles south of the Blue Ridge Parkway.