One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Ishpeming can be looked at to determine when it's the best time 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 do ok in mild cold which tells us that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant pincushion flower in Ishpeming 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. Any later than that and your pincushion flower may not have a chance to grow to maturity. Starting your pincushion flower indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Ishpeming is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Ishpeming you get a frost after May 15 be ready to protect your pincushion flower in the event of one of those late frosts.

USDA Zone Info for Ishpeming

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 Ishpeming

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