One of the first steps you take when you are determining 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.

By using the USDA zone info for Union you should be able to estimate when you can plant lenten rose.

Planting Calendar for Lenten Rose

Frost tolerance for lenten rose:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant lenten rose a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant lenten rose in Union 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 lenten rose and expect a good harvest is probably September. Any later than that and your lenten rose may not have a chance to fully mature. Starting your lenten rose indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Union is an average the actual date of last frost changes from year to year. Half of the time in Union last frost occurs after April 15 so just be sure to be ready to protect your lenten rose if you have a late frost.

USDA Zone Info for Union

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 Union

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