The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when you can plant string beans is to examine the USDA zone info for Lake Stevens.

Planting Calendar for String beans

Frost tolerance for string beans:	Not tolerant of frost.
When to plant:	After the last frost.

Since string beans do not do well in cold weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant string beans in Lake Stevens is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant string beans and expect a good harvest is probably August. If you wait any later than that and your string beans may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your string beans indoors.

Last Frost Date

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

Since the USDA zone info for Lake Stevens is just an average the actual date of last frost is different every year. Since half of the time in Lake Stevens last frost occurs after March 15 be ready to protect your string beans in the event of a surprise late frost.

USDA Zone Info for Lake Stevens

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 Lake Stevens

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