One of the first steps you take when you are estimating 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.

It's a good idea to figure out when it's a good idea to plant potatos by checking out the USDA zone info for Kirkland.

Planting Calendar for Potatos

Frost tolerance for potatos:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant potatos much earlier in the year because they do well in cold.

The earliest that you can plant potatos in Kirkland 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 potatos and expect a good harvest is probably September. You probably don't want to wait any later than that or else your potatos may not have a chance to fully mature. You can get started a few weeks earlier by starting your potatos indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Kirkland. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Kirkland is an average the actual date of last frost is different every year. Since half of the time in Kirkland last frost occurs after March 15 be ready to cover your potatos in the event of a surprise late frost.

USDA Zone Info for Kirkland

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 Kirkland

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