When to Plant Didiscus in Iowa City, IA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant didiscus in Iowa City should be determined by referring to the USDA zone info.

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Planting Calendar for Didiscus

Frost tolerance for didiscus: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Didiscus do ok in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than more sensitive plants.

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

The earliest that you can plant didiscus in Iowa City is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant didiscus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your didiscus may not have a chance to fully mature. You can get started a little bit earlier by starting your didiscus indoors.

Last Frost Date

In Iowa City 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.

Since the USDA zone info for Iowa City is just an average the actual date of last frost will vary from year to year. Since half of the time in Iowa City you get a frost after April 15 be ready to cover your didiscus if you have a late frost.

USDA Zone Info for Iowa City

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 Iowa City

You may be interested in your other planting guides for Iowa City.