When to Plant Stocks in Highland Park, IL

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

The earliest that you can plant stocks in Highland Park should be determined by checking out the USDA zone info.


Planting Calendar for Stocks

Frost tolerance for stocks: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Stocks can survive in some cold which tells us that you can plant them slightly earlier in the year than more sensitive plants.

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

The earliest that you can plant stocks in Highland Park 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 stocks and expect a good harvest is probably August. You probably don't want to wait any later than that or else your stocks may not have a chance to fully mature. If you are starting your stocks indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Highland Park. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Highland Park is not always accurate the actual date of last frost is different every year. Since half of the time in Highland Park there is a last frost after April 15 be ready to cover your stocks in the event of one of those late frosts.

USDA Zone Info for Highland 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 Highland Park

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