When to Plant Lenten Rose in Denison, IA

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant lenten rose in Denison can be estimated by reviewing 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.

Since lenten rose are moderately cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

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 Denison 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 really do well. You can get started a few weeks earlier by starting your lenten rose indoors.

Last Frost Date

The average date of last frost is April 15 in Denison. It might get as low as -20°F during the coldest months of winter.

Remember that USDA zone info for Denison may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Denison there is a last frost after April 15 so always be ready to cover your lenten rose in the event of a late frost.

USDA Zone Info for Denison

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Denison

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