When to Plant Pincushion Flower in Williston, ND

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when you can plant pincushion flower is to consult the USDA zone info for Williston.


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 are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant pincushion flower
Possibly ok, but a risky time to plant pincushion flower
Probably not a good time to plant pincushion flower

The earliest that you can plant pincushion flower in Williston 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. If you are starting your pincushion flower indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Williston. It might get as low as -30°F during the coldest months of winter.

Keep in mind that USDA zone info for Williston is an average and the actual date of last frost changes from year to year. Half of the time in Williston you get surprised by a frost after May 15 so be sure to be ready to protect your pincushion flower in the event of one of those late frosts.

USDA Zone Info for Williston

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°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 -25°F.

Plants to Grow in Williston

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