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

It's possible to estimate when it's possible to plant pincushion flower by reviewing the USDA zone info for Sioux Center.

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 just a bit earlier in the year than more sensitive plants.

The earliest that you can plant pincushion flower in Sioux Center is February. However, you really should wait until March 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 September. Any later than that and your pincushion flower may not have a chance to grow to maturity. 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 April 15 in Sioux Center. In the coldest months of winter you should expect an average low temperature of -20°F.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Sioux Center and it will vary from year to year. Half of the time in Sioux Center it frosts late in the year after April 15 so make sure that you are ready to protect your pincushion flower if you have a surprise late frost.

USDA Zone Info for Sioux Center

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Sioux Center

You may be interested in your other planting guides for Sioux Center.