One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Bartow you can determine when to plant nigella by looking at 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.

Since nigella do well in cold you can plant them quite a bit earlier in the year than more sensitive plants.

The earliest that you can plant nigella in Bartow is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant nigella and expect a good harvest is probably October. If you wait any later than that and your nigella may not have a chance to fully mature. Starting your nigella indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Bartow. In the coldest months of winter you can expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Bartow is an average and the actual date of last frost will vary from year to year. Half of the time in Bartow it frosts late in the year after February 15 so just be sure to be ready to protect your nigella in the event of a late frost.

USDA Zone Info for Bartow

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Bartow

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