When to Plant Euphorbia in Cary, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when it's the best time to plant euphorbia by reviewing the USDA zone info for Cary.


Planting Calendar for Euphorbia

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

Since euphorbia do ok in moderate cold you can plant them slightly earlier in the year than other frost tender plants.

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

The earliest that you can plant euphorbia in Cary 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 euphorbia and expect a good harvest is probably August. If you wait any later than that and your euphorbia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your euphorbia indoors.

Last Frost Date

The average date of last frost is April 15 in Cary. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Cary may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Cary last frost occurs after April 15 so always be ready to protect your euphorbia if you have a late frost.

USDA Zone Info for Cary

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 Cary

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