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.

In Horn Lake you can determine when it's a good idea to plant oenothera by reviewing 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 plant them earlier than more sensitive plants.

The earliest that you can plant oenothera in Horn Lake 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 really do well. You can get started a little bit earlier by starting your oenothera indoors.

Last Frost Date

The average date of last frost is March 15 in Horn Lake. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Horn Lake is not always accurate the actual date of last frost is different every year. Since half of the time in Horn Lake you get a frost after March 15 be ready to protect your oenothera if you have a surprise late frost.

USDA Zone Info for Horn Lake

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Horn Lake

You may be interested in your other planting guides for Horn Lake.