When to Plant Oenothera in Plattsmouth, NE

One of the first steps you take when you are figuring out 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.

The first chance to plant oenothera in Plattsmouth can be estimated by using 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.

Since oenothera are moderately cold tolerant you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant oenothera
Possibly ok, but a risky time to plant oenothera
Probably not a good time to plant oenothera

The earliest that you can plant oenothera in Plattsmouth 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 really do well. If you are starting your oenothera indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Plattsmouth. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Plattsmouth is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Plattsmouth it frosts late in the year after April 15 so make sure that you are ready to protect your oenothera if you have a surprise late frost.

USDA Zone Info for Plattsmouth

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Plattsmouth

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