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.

You will be able to determine when it's possible to plant pincushion flower by referring to the USDA zone info for Walnut.

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 earlier than other plants that might not handle the cold.

The earliest that you can plant pincushion flower in Walnut 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 little bit earlier by starting your pincushion flower indoors.

Last Frost Date

In Walnut the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 30°F.

Just be sure to remember that USDA zone info for Walnut is just an average and the actual date of last frost will vary from year to year. Since half of the time in Walnut there is a last frost after January 31 be ready to protect your pincushion flower if you have a surprise late frost.

USDA Zone Info for Walnut

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Walnut

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