Geodes can be found all over the world. Areas with the most geodes, however, tend to be deserts, volcanic ash beds, or areas with plentiful limestone. In the United States, for example, you can find plenty of geodes in California, Arizona, New Mexico, Utah, Nevada, Iowa, Missouri, Illinois, Indiana, Kentucky, and Ohio.
Water and Sunlight. Basil plants are low-maintenance and do not require much care. What little care they require, however, is important to keeping the herb healthy and the foliage supple. Too much water, too little water and lack of sun will turn the basil leaf tips brown and cause them to curl. Basil -- whether growing indoors or out -- requires at least six hours of full sun to keep it healthy.
Butterfly Bush Has Brown Leaf Spots. Growers are often alarmed when leaf spots appear suddenly and spread across leaf surfaces. Buddleia leaves with spots can be caused by a few different problems, including fungal disease and sap-sucking pests. butterfly bush with spotted leaves should be checked carefully from top to bottom before treatment, just to be sure youâve fingered the right culprit. Advertisement. Fungal leaf spots and downy mildew cause many widespread spots, ranging in color from yellow to tan and even black or brown.