PlotPal

Dahlia

Dahlia is listed botanically as Dahlia pinnata. It may also be listed as Garden dahlia, Pinnate dahlia. Dahlias are warm-season flowering plants grown from tuberous roots and prized for a huge range of flower forms and colors. They bloom from midsummer until frost when given sun, fertile soil, and regular deadheading. PlotPal's canonical care record lists full sun and moderate water needs. The current taxonomy reference places it in the genus Dahlia and in the family Asteraceae. Its source-backed growth habit is listed as forb/herb. PlotPal currently carries Dahlia as an outdoor growing and flower reference. Growing note: Plant tubers after frost danger has passed and soil has warmed. Avoid heavy watering before shoots emerge, then water deeply as plants grow. Stake tall varieties early and deadhead regularly to keep flowers coming. Propagation or sowing note: Plant tubers after frost; some varieties can also be grown from seed or cuttings Plant-health prevention note: Provide airflow, avoid chronically wet soil, remove infected foliage promptly, and lift/store tubers where winters are too cold for them to survive in ground. Pest-prevention note: Inspect buds and leaf undersides regularly, reduce dense debris around stems, and treat outbreaks early with targeted low-impact controls. Common pests in the reference include Aphids, Spider mites, Earwigs. Common plant-health issues in the reference include Powdery mildew, Botrytis blight, Tuber rot. Use this guide as practical growing context, then adjust decisions to the actual weather, soil, container or bed, variety, and conditions in your garden.