When to Plant Nigella in Litchfield Park, AZ

Before planting it is a good idea to find your USDA Zone info to figure out 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.

You can determine when it's a good idea to plant nigella in Litchfield Park 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.

You can plant nigella much earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

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 Litchfield Park 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. 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 little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Litchfield Park. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Litchfield Park may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Litchfield Park you get a frost after February 15 so always be ready to protect your nigella in the event of one of those late frosts.

USDA Zone Info for Litchfield Park

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°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 30°F.

Plants to Grow in Litchfield Park

You may be interested in your other planting guides for Litchfield Park.