One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Libertyville can be looked at to determine when it's the best time to plant euphorbia.

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 are barely cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant euphorbia in Libertyville 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. Any later than that and your euphorbia may not have a chance to really do well. You can get started a few weeks earlier by starting your euphorbia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Libertyville. In the coldest months of winter you can expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Libertyville is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Libertyville it frosts late in the year after April 15 be ready to protect your euphorbia in the event of a surprise late frost.

USDA Zone Info for Libertyville

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 Libertyville

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