Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 figure out when it's possible to plant nigella by referring to the USDA zone info for Bellaire.

Planting Calendar for Nigella

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

You can plant nigella quite a bit earlier in the year because they do well in cold.

The earliest that you can plant nigella in Bellaire 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 grow to maturity. If you are starting your nigella indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Bellaire. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Bellaire is an average the actual date of last frost is different every year. Half of the time in Bellaire there is a last frost after April 15 so be sure to be ready to protect your nigella in the event of a late frost.

USDA Zone Info for Bellaire

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Bellaire

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