Crop Rotation Group Miscellaneous ● Soil Fertile, well-drained soil, or use containers. Position Full sun to partial shade. Frost tolerant Limited. Lobelia can take cool weather but is easily damaged by frost. Feeding Mix a standard application of a balanced organic fertilizer into the soil prior to planting. In midsummer, drench plants with a liquid plant food to stimulate new growth. Companions Alyssum. Lobelia varieties that bloom blue are wonde
