When to Plant Pansies in Grimes, IA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Grimes it's possible to estimate when to plant pansies.


Planting Calendar for Pansies

Frost tolerance for pansies: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Pansies do well in cold which means that you can start planting them much earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant pansies in Grimes 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 pansies and expect a good harvest is probably September. Any later than that and your pansies may not have a chance to really do well. You can get started a few weeks earlier by starting your pansies indoors.

Last Frost Date

In Grimes the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Grimes and it is different every year. Since half of the time in Grimes you get surprised by a frost after April 15 be ready to protect your pansies if you have a surprise late frost.

USDA Zone Info for Grimes

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 Grimes

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