Where/How can I find information on native flowers, plants, trees, grasses and animals, and other things I can plant on our property (about an acre) to provide a home fo... view the full question and answerRockford, ILTrimming native Yucca filamentosa for winter in Illinois I live in northern IL and I have approximately 5 yucca plants, Adams needle, my question is do I need to trim them down for w