One of the best tools that you have as gardeners to help us estimate 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.

The USDA zone info for Warrenville can be reffered to in order to estimate when it's a good idea to plant red hot pokers.

Planting Calendar for Red Hot Pokers

Frost tolerance for red hot pokers:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant red hot pokers quite a bit earlier in the year because they do well in cold.

The earliest that you can plant red hot pokers in Warrenville 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 red hot pokers and expect a good harvest is probably September. You probably don't want to wait any later than that or else your red hot pokers may not have a chance to grow to maturity. Starting your red hot pokers indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Warrenville. 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 Warrenville is just an average and the actual date of last frost is different every year. Half of the time in Warrenville last frost occurs after April 15 so make sure that you are ready to protect your red hot pokers in the event of one of those late frosts.

USDA Zone Info for Warrenville

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 Warrenville

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