One of the first steps you take when you are estimating your gardening schedule is find your 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.

The USDA zone info for Circle Pines can be used to determine when to plant pincushion flower.

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 can survive in some cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant pincushion flower in Circle Pines 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. You probably don't want to wait any later than that or else 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 May 15 in Circle Pines. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Circle Pines may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Circle Pines you get a frost after May 15 be ready to protect your pincushion flower if you have one of those late frosts.

USDA Zone Info for Circle Pines

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 Circle Pines

You may be interested in your other planting guides for Circle Pines.