When can I plant Arctotis in Prospect Heights, IL

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

You can figure out when it's a good idea to plant arctotis in Prospect Heights by looking at the USDA zone info.


Planting Calendar for Arctotis

Frost tolerance for arctotis: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Arctotis can survive in some cold which means that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant arctotis in Prospect Heights 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 arctotis and expect a good harvest is probably September. If you wait any later than that and your arctotis may not have a chance to really do well. If you are starting your arctotis indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Prospect Heights. We can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Prospect Heights is just an average and our actual date of last frost is different every year. Since half of the time in Prospect Heights last frost occurs after April 15 be ready to cover your arctotis in the event of a late frost.

USDA Zone Info for Prospect Heights

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 Prospect Heights

You may be interested in our other planting guides for Prospect Heights.