One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when you can plant pincushion flower is to consult the USDA zone info for Hawthorne.

Planting Calendar for Pincushion Flower

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

Pincushion Flower do well in moderate cold which means that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant pincushion flower in Hawthorne 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 January 31 in Hawthorne. In the coldest months of winter you should expect an average low temperature of 35°F.

Since the USDA zone info for Hawthorne is not always accurate the actual date of last frost is different every year. Half of the time in Hawthorne it frosts late in the year after January 31 so make sure that you are prepared to cover your pincushion flower if you have one of those late frosts.

USDA Zone Info for Hawthorne

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 Hawthorne

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