When to Plant Gaillardia in Nashua, NH

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant gaillardia in Nashua should be determined by looking at the USDA zone info.


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.

You can plant gaillardia a bit earlier in the year because they do ok in moderate cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant gaillardia
Possibly ok, but a risky time to plant gaillardia
Probably not a good time to plant gaillardia

The earliest that you can plant gaillardia in Nashua 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. Starting your gaillardia indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Nashua is an average the actual date of last frost is different every year. Since half of the time in Nashua last frost occurs after April 15 be ready to cover your gaillardia if you have a late frost.

USDA Zone Info for Nashua

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 Nashua

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