When to Plant Lenten Rose in Alma, MI

One of the first steps you take when you are getting a good idea 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 Alma it's possible to figure out when it's a good idea to 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 little earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant lenten rose in Alma 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. If you are starting your lenten rose 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 Alma. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Alma is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Alma it frosts late in the year after April 15 be ready to protect your lenten rose if you have a late frost.

USDA Zone Info for Alma

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 Alma

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