Unraveling the Mystery Behind Purple Stems on Weed Plants Beaver Seeds Companion Gardening Big Daddy Garden Company I personally do very well with nightshade vegetables and these foods such as tomatoes and bell peppers are rich in vitamin C and carotenoids such as lycopene and lutein, zeaxanthin and other Fall cleanup and pruning is well underway, but sedum is one plant you should leave alone in the fall. Its usually done blooming by November, leaving behind crispy crunchy seedheads. Instead of