One of the best tools that you have as gardeners to help us estimate 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.

It's possible to determine when it's the best time to plant nigella by referring to the USDA zone info for Hastings.

Planting Calendar for Nigella

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

Since nigella are one of those plants that can tolerate quite a bit of cold weather you can plant them earlier in the year than plants that are more sensitive to the cold.

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

The last month that you can plant nigella and expect a good harvest is probably August. If you wait any later than that and your nigella may not have a chance to really do well. You can get started a few weeks earlier by starting your nigella indoors.

Last Frost Date

The average date of last frost is May 15 in Hastings. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Hastings may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Hastings last frost occurs after May 15 so make sure that you are prepared to cover your nigella in the event of one of those late frosts.

USDA Zone Info for Hastings

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Hastings

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