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.

By referring to the USDA zone info for Snohomish you should be able to determine when you can 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.

You can plant pincushion flower a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant pincushion flower in Snohomish 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. You probably don't want to wait any later than that or else your pincushion flower may not have a chance to fully mature. Starting your pincushion flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Snohomish the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Snohomish is not always accurate the actual date of last frost is different every year. Half of the time in Snohomish last frost occurs after March 15 so just be sure to be ready to protect your pincushion flower if you have a surprise late frost.

USDA Zone Info for Snohomish

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Snohomish

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