When to Plant Arctotis in Wilmington, IL

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.

A common way of figuring out when to plant arctotis is to refer to the USDA zone info for Wilmington.


Planting Calendar for Arctotis

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

You can plant arctotis just a bit earlier in the year because they do well in moderate 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 Wilmington 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 fully mature. You can get started a few weeks earlier by starting your arctotis indoors.

Last Frost Date

On average the last frost is on April 15 in Wilmington. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Wilmington and it will vary from year to year. Since half of the time in Wilmington there is a last frost after April 15 be ready to protect your arctotis if you have one of those late frosts.

USDA Zone Info for Wilmington

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 Wilmington

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