Early Spring through Fall Finish. Standard PPP.
One pinch at liner planting. Trim back as needed. Sumagic at 5-10 ppm may be used to control growth. Growth can be controlled using lower temperatures.
General pest and disease practices as listed in notes. Powdery Mildew can be a problem for verbena. Proper air circulation, humidity control and water management will aid in control and prevention. A routine preventative spray program is encouraged. Preventative mildew sprays should be used regularly.