When to Plant Begonias in Atlantic, IA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when it's a good idea to plant begonias by looking at the USDA zone info for Atlantic.


Planting Calendar for Begonias

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

You can not plant begonias until after all chance of frost has passed because they are not cold tolerant.

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

The earliest that you can plant begonias in Atlantic 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 begonias and expect a good harvest is probably August. Any later than that and your begonias may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your begonias indoors.

Last Frost Date

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

Since the USDA zone info for Atlantic is not always accurate the actual date of last frost will vary from year to year. Half of the time in Atlantic last frost occurs after April 15 so just be sure to be ready to protect your begonias in the event of a late frost.

USDA Zone Info for Atlantic

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 Atlantic

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