When To Plant Zinnias?

Zinnias are available in many varieties, including dwarf types that are excellent for container growing or planting in a small garden space. They grow well in full sun to part shade but will produce more flowers if they receive at least six hours of sunlight each day. Zinnias don’t require much care and can be grown in almost any type of soil as long as it drains well and remains moist, but they do need regular watering during hot weather when they’re actively growing.

When To Plant Zinnias?

You can plant zinnias either before or after frost has passed in your area. To get an early start on your zinnia garden, plant them indoors 4 to 6 weeks before the last expected frost date for your area.

Move the seedlings outdoors once temperatures stay consistently above 55°F (13°C). Alternatively, you can wait until after the last expected frost has passed before planting directly into the ground in your garden or in containers outside.

Where Is The Best Place To Plant Zinnias?

Zinnias are annuals that grow well in warm climates. They can be grown as annuals or perennials, depending on the variety you choose.

When choosing where to plant zinnias, consider the following:

Location: Zinnias grow best in full sun, but they can tolerate partial shade if necessary.

Soil: Zinnias grow best in well-drained soil with plenty of organic matter. If your soil is heavy or clay-like, amend it with compost or other organic material before planting your zinnias.

Watering: Zinnia plants need regular watering during their growing season (summer), but don’t overdo it — too much water at one time can cause root rot. Water deeply enough so that water reaches the roots, but don’t allow them to sit in standing water for more than an hour after watering.

What Is The Best Month To Plant Zinnias?

Zinnias are frost-tender annuals, so they’re only suitable for growing in areas with mild winters. The best time to plant zinnias is either in the spring or fall. In warmer climates, you should plant your zinnia seeds right after the last frost has passed; this will give them plenty of time to grow before the heat of summer sets in.

In colder regions, you’ll want to wait until late summer when all danger of frosts has passed and your soil is warm enough for germination.

How Long Do Zinnias Take To Grow?

Zinnias generally take 60 to 70 days from seed to flower, which is about the same time frame as other annual flowers like marigolds and cosmos.

You can also use zinnia seeds to start new plants every year. It’s best to start growing zinnia plants indoors about eight weeks before it’s time for them to go outside. This gives the plant enough time to get strong roots and mature leaves before transplanting outdoors.


I hope you found this article helpful. You now know when and where to plant zinnias, as well as the best month for growing them. Zinnias are beautiful flowers that can be used in many different ways – they make great cut flowers or can even be grown as an edible crop! With these tips at your disposal, I’m sure that you’ll have a successful planting season with these lovely plants.