When to Plant Gaillardia in New Castle, PA

One of the first steps you take when you are determining 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 best time to plant gaillardia in New Castle should be estimated by checking out 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.

Gaillardia do ok in mild cold which tells us 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. If you wait any later than that and your gaillardia may not have a chance to really do well. If you are starting your gaillardia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in New Castle. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for New Castle is an average the actual date of last frost is different every year. Half of the time in New Castle there is a last frost after April 15 so be sure to be ready to cover your gaillardia if you have one of those late frosts.

USDA Zone Info for New Castle

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°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.