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.

You should be able to figure out when you can plant primula by using the USDA zone info for Ellwood City.

Planting Calendar for Primula

Frost tolerance for primula:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Primula can survive in quite a bit of cold which means that you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant primula in Ellwood City is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant primula and expect a good harvest is probably September. You probably don't want to wait any later than that or else your primula may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your primula indoors.

Last Frost Date

On average the last frost is on April 15 in Ellwood City. You should expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Ellwood City may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Ellwood City there is a last frost after April 15 be ready to protect your primula if you have one of those late frosts.

USDA Zone Info for Ellwood City

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 Ellwood City

You may be interested in your other planting guides for Ellwood City.