One of the best tools that you have as gardeners to help us determine 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.

You can determine when it's a good idea to plant oenothera in Espanola 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.

Oenothera tend to make it in moderate cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant oenothera in Espanola 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. You probably don't want to wait any later than that or else your oenothera may not have a chance to grow to maturity. Starting your oenothera indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Espanola. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Espanola is just an average the actual date of last frost is different every year. Half of the time in Espanola you get a frost after April 15 so just be sure to be ready to protect your oenothera in the event of a surprise late frost.

USDA Zone Info for Espanola

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 Espanola

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