When to Plant Gaillardia in New Castle, DE

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for New Castle can be read to determine when to plant gaillardia.


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 can survive in a tiny bit of cold which means that you can plant them just a tiny bit earlier in the year than more sensitive plants.

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 New Castle 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. Any later than that and your gaillardia may not have a chance to really do well. You can get started a few weeks earlier by starting your gaillardia indoors.

Last Frost Date

In New Castle the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for New Castle is not always accurate and the actual date of last frost is different every year. Half of the time in New Castle you get surprised by a frost after April 15 so always be ready to protect your gaillardia if you have a surprise late frost.

USDA Zone Info for New Castle

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

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

Plants to Grow in New Castle

You may be interested in your other planting guides for New Castle.