When to Plant Browallia in Centerville, IA

Before planting it is a good idea to find your USDA Zone info to estimate 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.

You can figure out when it's the best time to plant browallia in Centerville by referring to the USDA zone info.


Planting Calendar for Browallia

Frost tolerance for browallia: Not tolerant of frost.
When to plant: After all chance of frost has passed.

You really shouldn't plant browallia until after the last frost because they do not do well in cold weather.

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

The earliest that you can plant browallia in Centerville 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 browallia and expect a good harvest is probably August. If you wait any later than that and your browallia may not have a chance to grow to maturity. Starting your browallia indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Centerville the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Centerville is just an average and the actual date of last frost changes from year to year. Half of the time in Centerville last frost occurs after April 15 so just be sure to be ready to protect your browallia if you have one of those late frosts.

USDA Zone Info for Centerville

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Centerville

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