frostdate name logo in white
frostdate name logo in white

When to Plant Xerianthemum in South Holland, 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 most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In South Holland you can estimate when it's possible to plant xerianthemum by reviewing the USDA zone info.


Planting Calendar for Xerianthemum

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

Since xerianthemum are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than more sensitive plants.

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

The earliest that you can plant xerianthemum in South Holland 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 xerianthemum and expect a good harvest is probably August. Any later than that and your xerianthemum may not have a chance to fully mature. If you are starting your xerianthemum indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In South Holland the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for South Holland is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in South Holland you get surprised by a frost after April 15 so just be sure to be ready to protect your xerianthemum if you have a surprise late frost.

USDA Zone Info for South Holland

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in South Holland

You may be interested in your other planting guides for South Holland.