When can I plant Nigella in Zone 10b

The USDA Zone info is a great tool for gardeners to help us determine our gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

In Zone 10b you can figure out when it's possible to plant nigella by looking at the USDA zone info.


Planting Calendar for Nigella

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

Nigella can survive in a bit of cold which means that you can plant them earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant nigella
Possibly ok, but a risky time to plant nigella
Probably not a good time to plant nigella

The earliest that you can plant nigella in Zone 10b is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant nigella and expect a good harvest is probably October. You probably don't want to wait any later than that or else your nigella may not have a chance to fully mature. 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 January 31 in Zone 10b. It might get as low as 35°F during the coldest months of winter.

Always keep in mind that USDA zone info for Zone 10b may not be accurate from year to year and our actual date of last frost changes from year to year. Half of the time in Zone 10b it frosts late in the year after January 31 so just be sure to be ready to cover your nigella if we have a late frost.

USDA Zone Info for Zone 10b

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low35°F
Highest Expected Low40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Zone 10b

You may be interested in our other planting guides for Zone 10b.