Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant pincushion flower in Sammamish should be figured out by checking out the USDA zone info.

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 Sammamish 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. If you wait 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

On average the last frost when the weather gets warmer is on March 15 in Sammamish. You can expect an average low temperature of 15°F in the coldest months of winter.

Keep in mind that USDA zone info for Sammamish is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Sammamish you get a frost after March 15 be ready to protect your pincushion flower if you have one of those late frosts.

USDA Zone Info for Sammamish

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 Sammamish

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