The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's a good idea to plant creeping zinnia is to use the USDA zone info for Papillion.

Planting Calendar for Creeping Zinnia

Frost tolerance for creeping zinnia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Creeping Zinnia are barely cold tolerant which means that you can get them planted just a bit earlier than more sensitive plants.

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

The last month that you can plant creeping zinnia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your creeping zinnia may not have a chance to really do well. Starting your creeping zinnia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Papillion the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Papillion is just an average the actual date of last frost will vary from year to year. Half of the time in Papillion there is a last frost after April 15 so make sure that you are prepared to protect your creeping zinnia in the event of a late frost.

USDA Zone Info for Papillion

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Papillion

You may be interested in your other planting guides for Papillion.