One of the best tools that you have as gardeners to help us estimate 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.

You will be able to estimate when it's a good idea to plant pincushion flower by looking at the USDA zone info for Huron.

Planting Calendar for Pincushion Flower

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

You can plant pincushion flower a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant pincushion flower in Huron is March. However, you really should wait until April 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 August. If you wait any later than that and your pincushion flower may not have a chance to grow to maturity. You can get started a little bit earlier by starting your pincushion flower indoors.

Last Frost Date

In Huron the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Huron may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Huron you get a frost after May 15 so make sure that you are ready to protect your pincushion flower in the event of a late frost.

USDA Zone Info for Huron

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Huron

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