One of the easiest annuals to grow, zinnia flowers bring an explosion of color wherever they go. The show lasts from late spring until the first frost in fall. Butterflies and hummingbirds are attracted to the cheery flowers that bloom in nearly every bright color imaginable. They grow quickly and reliably, making them a great choice for first-time flower growers. Add in their low maintenance requirements and the variety of sizes and shapes, and you canât lose.
Watering: zinnias need moist soil to grow their best. This is especially true of young plants. Water deeply a few times a week so a soil stays moist 15-20 cm or 6 to 8 inches deep. Don't overwater because zinnias can also succumb to rot diseases especially on wet, clay soils. Once established, zinnias a relatively drought tolerant.
Universal fertilizer is a granular and mineral product intended for the fertilization of all types of garden cultivations. Its balanced content is suitable both for fruit trees, fruit bushes, vegetables, and ornamental plants. The even composition of individual elements makes the fertilizer universal.
Most often planting instructions will suggest planting in loam soil. Loam soil should be rich in minerals and nutrients for the plants and loose enough that roots and spread out and grow strong.
Zinnia flowers are typically grown as annuals, so you do not need to overwinter these container plants indoors. The important thing to remember with zinnia flowers is to not plant them outdoors until nighttime temperatures are above 50 degrees Fahrenheit.