No matter when you plant zinnias keep in mind they grow best in a garden bed or container that receives plenty of light. When buying zinnia seeds be sure to read the information listed on the seed packet to learn about the days to maturity for that specific variety. Some even have flowers that look like buttons! Common blossom colors include red, pink, white, purple, yellow, orange, and green, as well as many bi-colors. Some zinnias have single flowers with a single row of petals while others have semi-double or fully double blooms. There are dozens of varieties of zinnias to choose from with flowers in a wide range of sizes, shapes, and colors. These include soil and air temperature, the average last frost date, the days to maturity for the varieties you wish to grow, and whether you’re direct sowing seeds outdoors or giving them a head start indoors. There are various factors that influence when to plant zinnias. Timing considerations for when to plant zinnias Zinnias are popular annual flowers that are easy to grow from seeds.

Below I’ll walk you through all the steps of when to plant zinnias.

For the best display of flowers you need to plant zinnias at the right time. Knowing when to plant zinnias can mean the difference between months of beautiful blooms or a short show at the end of the growing season. They also make long-lived cut flowers in bouquets and arrangements. The colorful blooms attract pollinators like bees and beneficial insects.

Zinnias are one of the easiest annuals to grow from seeds started indoors or direct sown in the garden.

Zinnia flower seedlings