When to Plant Trailing Portulaca in Posen, IL

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when you can plant trailing portulaca by using the USDA zone info for Posen.


Planting Calendar for Trailing Portulaca

Frost tolerance for trailing portulaca: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Since trailing portulaca require warm weather you need to wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant trailing portulaca in Posen is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant trailing portulaca and expect a good harvest is probably August. If you wait any later than that and your trailing portulaca may not have a chance to really do well. You can get started a little bit earlier by starting your trailing portulaca indoors.

Last Frost Date

The average date of last frost is April 15 in Posen. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Posen is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Posen you get a frost after April 15 so always be ready to cover your trailing portulaca in the event of a late frost.

USDA Zone Info for Posen

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 Posen

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