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.

In Enterprise you can figure out when it's a good idea to plant nigella by using the USDA zone info.

Planting Calendar for Nigella

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

Nigella tend to make it in cold weather which tells us that you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant nigella in Enterprise 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. You probably don't want to wait any later than that or else your nigella may not have a chance to really do well. Starting your nigella indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Enterprise. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Enterprise is an average the actual date of last frost changes from year to year. Half of the time in Enterprise you get a frost after March 15 so make sure that you are prepared to cover your nigella in the event of a surprise late frost.

USDA Zone Info for Enterprise

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Enterprise

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