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.

In Idaho Falls you can determine when you can plant creeping zinnia by checking out the USDA zone info.

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.

Since creeping zinnia do ok in moderate cold you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant creeping zinnia in Idaho Falls 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. You can get started a few weeks earlier by starting your creeping zinnia indoors.

Last Frost Date

The average date of last frost is April 15 in Idaho Falls. It might get as low as -20°F during the coldest months of winter.

Remember that USDA zone info for Idaho Falls is just an average and the actual date of last frost will vary from year to year. Since half of the time in Idaho Falls you get surprised by a frost after April 15 be ready to cover your creeping zinnia if you have one of those late frosts.

USDA Zone Info for Idaho Falls

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

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

Plants to Grow in Idaho Falls

You may be interested in your other planting guides for Idaho Falls.