Blanche_F My neighbor has Hardy Hibiscus and their seeds sprouted unwelcome seedlings which if I miss it, became plants. I hate them! My neighbor loves them. But the plants are at the fences and they are all blooming into my yard. I do not mind him planting in his yard, but I do not like them to 'share' them with me. I get all kinds of plants from my neighbors----Japanese honeysuckles, the ivy AND the bushes, English Ivy, crepe myrtles, black walnut and I also got Porcelain berries from the birds, I think, BEAUTIFUL berries, that change colors from beige into pink, then blue then beautiful purple--but they are rampant, climbed up tree branches, I spent all year cutting them----so invasive, I thought they were grape leaves that my neighbor had previously planted ---but no, they are Porcelain berries. I still have to continue taking the branches into bins for discard into trash, cannot be recycled----Please, when purchasing plants or seeds, please do not plant invasive plants--I once bought & planted one, butterfly plant--after noticing they sprouted everywhere, I got rid of them----When you purchase them, they have beautiful and fragrant flowers, make sure that they are not the invasive ones. Another mistake I made was also planting the fragrant Autumn clematis. Now they are sprouting everywhere, I got the wrong one that is invasive----I still am fighting them and pulling them out----