One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Bountiful it's a good idea to determine when to plant nigella.

Planting Calendar for Nigella

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

Nigella are very cold tolerant which means that you can get them planted much earlier than other plants that might not handle the cold.

The earliest that you can plant nigella in Bountiful 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 fully mature. You can get started a couple of weeks earlier by starting your nigella indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Bountiful. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Bountiful is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Bountiful it frosts late in the year after April 15 so be sure to be ready to protect your nigella in the event of a surprise late frost.

USDA Zone Info for Bountiful

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Bountiful

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