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.

In Sea Cliff you can estimate when it's a good idea to plant nigella 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 quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant nigella in Sea Cliff 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. Any later than that and your nigella may not have a chance to grow to maturity. Starting your nigella indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Sea Cliff. You can expect an average low temperature of 0°F in the coldest months of winter.

Remember that USDA zone info for Sea Cliff is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Sea Cliff you get surprised by a frost after April 15 be ready to cover your nigella in the event of a surprise late frost.

USDA Zone Info for Sea Cliff

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Sea Cliff

You may be interested in your other planting guides for Sea Cliff.