Zinnia Star Bright Mix Seedling Tray

For best results with Star Bright Mix, grow one seedling plug per 1801-cell or 4-inch container. Use well-drained soil with a pH of 5.5-6.0, EC of 1.2-1.5 mS/cm (2:1), and moderate feed (175-225 ppm N). Provide temperatures between 65-70 to prevent disease and maintain a compact habit. Zinnia doesn't typically require PGRs or pinching. Watch for aphids, thrips, and botrytis. This variety is disease resistant. 

A mix of yellow, orange, and white single flowers 2" in diameter bloom from spring through late summer.

This plant doesn't require pinching.

Space containers for adequate airflow and sunlight penetration around the base and foliage of each plant. We recommend spacing 4-inch containers 6-10" apart, adjusting as needed for your commercial greenhouse.

This plant doesn't require PGRs. Control height with proper cultural practices, including temperatures of 65-70, full sun, and adequate spacing between containers. 

Scout for aphids and thrips as part of your commercial greenhouse's Integrated Pest Management plan. This plant isn't prone to pests. 

Aphids are small, soft-bodied insects that cause damage by sucking sap from plant tissue. They reproduce quickly and are particularly attracted to young growth. Curling and yellowed leaves, stunted growth, and stickiness on leaves are signs of an infestation. These insects also spread diseases and reproduce rapidly. Use biological controls or horticultural oils to discourage and kill aphids.

Thrips are tiny insects that eat plant tissue and can transmit viruses. Watch for silvery-white streaks or black spots on foliage and distorted growth. Use natural predators (like predatory mites), insecticidal soap, neem oil, and sticky traps to control infestations and prevent spread.

Watch for signs of botrytis and stem rot. This Zinnia variety is disease resistant.

Botrytis is a common fungal disease that causes brown spots on stems, leaves, and flowers. Remove and destroy affected plants, maintain appropriate humidity levels, and apply fungicides with boscalid, fenhexamid, or iprodione to control the spread. Water plants in the morning and allow the soil to dry slightly between waterings.

Stem rot is a fungal disease that causes wilting, browning, and death of plant stems. Prevent infection with proper sanitization, adequate drainage, and good airflow. Don't overwater, and allow the soil to dry slightly between waterings. Maintain appropriate temperatures and humidity levels in the greenhouse and grow disease-resistant plants. Regularly check plants for signs of disease and remove and destroy infected plants to prevent spread. Apply a fungicide if necessary. 

Plant one seedling plug per 1801 cell or 4-inch container. Use well-drained soil and bury the ellepot in the middle of the container.