One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Prairie View you will be able to determine when it's possible to plant zinnia.

Planting Calendar for Zinnia

Frost tolerance for zinnia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You can not plant zinnia until after all chance of frost has passed because they require warm weather.

The earliest that you can plant zinnia in Prairie View is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant zinnia and expect a good harvest is probably August. Any later than that and your zinnia may not have a chance to grow to maturity. Starting your zinnia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Prairie View. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Prairie View is not always accurate the actual date of last frost will vary from year to year. Half of the time in Prairie View it frosts late in the year after March 15 so make sure that you are prepared to protect your zinnia if you have a surprise late frost.

USDA Zone Info for Prairie View

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Prairie View

You may be interested in your other planting guides for Prairie View.