Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant lenten rose in Zone 2b should be determined by looking at the USDA zone info.

Planting Calendar for Lenten Rose

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

Lenten Rose tend to make it in mild cold which means that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lenten rose in Zone 2b is April. However, you really should wait until May 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 August. Any later than that and your lenten rose may not have a chance to grow to maturity. Starting your lenten rose indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Zone 2b the average date of last frost happens on May 15. It might get as low as -45°F during the coldest months of winter.

Always keep in mind that USDA zone info for Zone 2b may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Zone 2b it frosts late in the year after May 15 so make sure that you are ready to protect your lenten rose if you have a surprise late frost.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	August 15
Lowest Expected Low	-45°F
Highest Expected Low	-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in your other planting guides for Zone 2b.