Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when to plant pincushion flower by referring to the USDA zone info for Suisun City.

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 are moderately cold tolerant you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant pincushion flower in Suisun City 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. Any later than that and your pincushion flower may not have a chance to fully mature. You can get started a few weeks earlier by starting your pincushion flower indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Suisun City. You can expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for Suisun City is an average and the actual date of last frost changes from year to year. Since half of the time in Suisun City last frost occurs after February 15 be ready to protect your pincushion flower in the event of a late frost.

USDA Zone Info for Suisun City

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 Suisun City

You may be interested in your other planting guides for Suisun City.