Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Palos Park should be read to determine when it's the best time to plant borage.

Planting Calendar for Borage

Frost tolerance for borage:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant borage just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant borage in Palos Park 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 borage and expect a good harvest is probably September. You probably don't want to wait any later than that or else your borage may not have a chance to fully mature. Starting your borage indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Palos Park is an average and the actual date of last frost will vary from year to year. Half of the time in Palos Park it frosts late in the year after April 15 so make sure that you are ready to cover your borage if you have a late frost.

USDA Zone Info for Palos Park

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 Palos Park

You may be interested in your other planting guides for Palos Park.