The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Pittsburg it's possible to figure out when to plant romanesco.

Planting Calendar for Romanesco

Frost tolerance for romanesco:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Romanesco tend to make it in some cold which tells us that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant romanesco in Pittsburg 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 romanesco and expect a good harvest is probably October. Any later than that and your romanesco may not have a chance to really do well. Starting your romanesco indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Pittsburg the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Pittsburg is not always accurate the actual date of last frost will vary from year to year. Half of the time in Pittsburg there is a last frost after February 15 so always be ready to protect your romanesco in the event of one of those late frosts.

USDA Zone Info for Pittsburg

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 Low	25°F
Highest Expected Low	30°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 Pittsburg

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