When to Plant Red Hot Pokers in Silvis, IL

One of the first steps you take when you are figuring out 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 first chance to plant red hot pokers in Silvis should be estimated by using the USDA zone info.


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 earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant red hot pokers
Possibly ok, but a risky time to plant red hot pokers
Probably not a good time to plant red hot pokers

The earliest that you can plant red hot pokers in Silvis 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 fully mature. Starting your red hot pokers indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Silvis the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Silvis and it will vary from year to year. Half of the time in Silvis there is a last frost after April 15 so be sure to be ready to cover your red hot pokers in the event of a late frost.

USDA Zone Info for Silvis

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 Silvis

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