One of the first steps you take when you are determining 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 Liberty Lake can be looked at to estimate when it's the best time to plant strawflowers.

Planting Calendar for Strawflowers

Frost tolerance for strawflowers:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Strawflowers are barely cold tolerant which means that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant strawflowers in Liberty Lake 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 strawflowers and expect a good harvest is probably August. Any later than that and your strawflowers may not have a chance to really do well. You can get started a little bit earlier by starting your strawflowers indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Liberty Lake. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Liberty Lake is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Liberty Lake you get surprised by a frost after April 15 be ready to cover your strawflowers if you have one of those late frosts.

USDA Zone Info for Liberty Lake

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Liberty Lake

You may be interested in your other planting guides for Liberty Lake.