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.

In Easthampton you can figure out when it's possible to plant oenothera by looking at 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 some cold which means that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant oenothera in Easthampton 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. You can get started a little bit earlier by starting your oenothera indoors.

Last Frost Date

The average date of last frost is April 15 in Easthampton. You can expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for Easthampton may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Easthampton it frosts late in the year after April 15 be ready to protect your oenothera in the event of a late frost.

USDA Zone Info for Easthampton

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 Easthampton

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