The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of figuring out when it's possible to plant gaillardia is to check out the USDA zone info for Caldwell.

Planting Calendar for Gaillardia

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

Gaillardia do well in very little cold which means that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant gaillardia in Caldwell 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 gaillardia and expect a good harvest is probably August. If you wait any later than that and your gaillardia may not have a chance to fully mature. If you are starting your gaillardia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Caldwell the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Caldwell is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Caldwell last frost occurs after April 15 so just be sure to be ready to protect your gaillardia if you have a surprise late frost.

USDA Zone Info for Caldwell

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Caldwell

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