The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when it's a good idea to plant nigella by looking at the USDA zone info for Cedar Lake.

Planting Calendar for Nigella

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

Nigella do well in cold which tells us that you can plant them much earlier than plants that are more sensitive to the cold.

The earliest that you can plant nigella in Cedar Lake 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 really do well. Starting your nigella indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Cedar Lake is an average and the actual date of last frost is different every year. Half of the time in Cedar Lake there is a last frost after April 15 so always be ready to cover your nigella if you have a surprise late frost.

USDA Zone Info for Cedar Lake

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 Cedar Lake

You may be interested in your other planting guides for Cedar Lake.