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

The first chance to plant romanesco in Pleasanton should be estimated by checking out the USDA zone info.

Planting Calendar for Romanesco

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

Since romanesco do well in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant romanesco in Pleasanton 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. If you wait any later than that and your romanesco may not have a chance to really do well. You can get started a couple of weeks earlier by starting your romanesco indoors.

Last Frost Date

The average date of last frost is February 15 in Pleasanton. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Pleasanton may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Pleasanton it frosts late in the year after February 15 so always be ready to protect your romanesco in the event of a late frost.

USDA Zone Info for Pleasanton

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Pleasanton

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