One of the first steps you take when you are estimating 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.

The USDA zone info for Pflugerville should be reviewed to estimate 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 Pflugerville 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. If you are starting your nigella indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Pflugerville. In the coldest months of winter you should expect an average low temperature of 15°F.

It's important to remember that USDA zone info for Pflugerville is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Pflugerville you get a frost after March 15 be ready to protect your nigella in the event of one of those late frosts.

USDA Zone Info for Pflugerville

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Pflugerville

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