One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 Steilacoom should be used to determine when it's a good idea to plant potatos.

Planting Calendar for Potatos

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

Potatos do ok in cold weather which means that you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant potatos in Steilacoom 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. Any later than that and your potatos may not have a chance to really do well. Starting your potatos indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Steilacoom. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Steilacoom is just an average the actual date of last frost is different every year. Half of the time in Steilacoom you get a frost after March 15 so make sure that you are ready to protect your potatos in the event of one of those late frosts.

USDA Zone Info for Steilacoom

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 Steilacoom

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