One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's a good idea to plant oenothera is to look at the USDA zone info for Neosho.

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 mild cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant oenothera in Neosho 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Neosho. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Neosho is an average the actual date of last frost is different every year. Half of the time in Neosho last frost occurs after April 15 so make sure that you are ready to cover your oenothera in the event of one of those late frosts.

USDA Zone Info for Neosho

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Neosho

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