Early spring through fall finish. Standard ppp.
Pinch 1-2 weeks after transplant. A second pinch is recommended for 8" or larger containers. PGR's should not be needed, but B-9 applications can be used if necessary in small pot production.
Good sanitation practices include keeping greenhouses clean at all times, eliminating weeds and debris, disinfecting equipment in greenhouses as often as possible and keeping hose ends off of the greenhouse floor. Good water management practices are critical for good, healthy plant growth. Treat with a broad-spectrum fungicide at transplant. Good air circulation is key to healthy plant growth. White fly, aphids, thrips, spider mites, cyclamen mites and leaf miners can be problematic. Scout aggressively and treat as needed. Do not allow populations to get out of control before treating the crop. Powdery mildew is less problematic in Dahlightful than other Dahlia, but scout and treat as necessary. Powdery mildew can be problematic under low-light, high humidity and cool temperatures. Good cultural practices should alleviate most issues with the disease, but scout and treat as necessary.
-Dahlias are long-day plants. Provide 14 hour day-length or night interruption lighting through week 13 (April 1) to allow the plants to bulk up, and to prevent premature budding and tuber formation.