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.

The first chance to plant nigella in Loveland can be determined 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 are very cold tolerant which means that you can plant them much earlier than more sensitive plants.

The earliest that you can plant nigella in Loveland 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. If you wait 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Loveland. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Loveland is an average the actual date of last frost changes from year to year. Since half of the time in Loveland last frost occurs after April 15 be ready to cover your nigella in the event of a surprise late frost.

USDA Zone Info for Loveland

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 Loveland

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