One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Lenoir City you can estimate when it's the best time to plant oenothera by referring to the USDA zone info.

Planting Calendar for Oenothera

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

Oenothera do well in moderate cold which means that you can get them planted earlier than other frost tender plants.

The earliest that you can plant oenothera in Lenoir 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 oenothera and expect a good harvest is probably September. If you wait any later than that and your oenothera may not have a chance to fully mature. If you are starting your oenothera indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Lenoir City. You should expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that USDA zone info for Lenoir City is an average and the actual date of last frost is different every year. Since half of the time in Lenoir City you get a frost after April 15 be ready to cover your oenothera in the event of a surprise late frost.

USDA Zone Info for Lenoir City

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 Low	0°F
Highest Expected Low	5°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 Lenoir City

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