One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant pincushion flower in Signal Hill should be determined by checking out the USDA zone info.

Planting Calendar for Pincushion Flower

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

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

The earliest that you can plant pincushion flower in Signal Hill 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 pincushion flower and expect a good harvest is probably October. If you wait any later than that and your pincushion flower may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pincushion flower indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Signal Hill. You should expect an average low temperature of 35°F in the coldest months of winter.

Remember that USDA zone info for Signal Hill is just an average and the actual date of last frost is different every year. Half of the time in Signal Hill you get surprised by a frost after January 31 so be sure to be ready to cover your pincushion flower if you have one of those late frosts.

USDA Zone Info for Signal Hill

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 Low	35°F
Highest Expected Low	40°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 Signal Hill

You may be interested in your other planting guides for Signal Hill.