When to Plant Nigella in Country Club Hills, IL

Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Country Club Hills you can figure out when it's the best time to plant nigella by reviewing the USDA zone info.

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Planting Calendar for Nigella

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

You can plant nigella a lot earlier in the year because they are very cold tolerant.

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

The earliest that you can plant nigella in Country Club Hills 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 nigella and expect a good harvest is probably September. Any later than that and your nigella may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your nigella indoors.

Last Frost Date

In Country Club Hills the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Country Club Hills is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Country Club Hills there is a last frost after April 15 be ready to cover your nigella in the event of one of those late frosts.

USDA Zone Info for Country Club Hills

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 Country Club Hills

You may be interested in your other planting guides for Country Club Hills.