One of the first steps you take when you are getting a good idea 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.

A common way of getting a good idea when it's a good idea to plant oenothera is to refer to the USDA zone info for Pataskala.

Planting Calendar for Oenothera

Frost tolerance for oenothera:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Oenothera are moderately cold tolerant which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant oenothera in Pataskala 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 oenothera and expect a good harvest is probably September. Any later than that and your oenothera may not have a chance to fully mature. Starting your oenothera indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Pataskala. In the coldest months of winter you can expect an average low temperature of -10°F.

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

USDA Zone Info for Pataskala

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 Pataskala

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