One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Snoqualmie you can determine when to plant asparagus lettuce by referring to the USDA zone info.

Planting Calendar for Asparagus lettuce

Frost tolerance for asparagus lettuce:	Not tolerant of frost.
When to plant:	After the last frost.

Asparagus lettuce require warm weather which means that you need to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant asparagus lettuce in Snoqualmie 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 asparagus lettuce and expect a good harvest is probably August. Any later than that and your asparagus lettuce may not have a chance to fully mature. You can get started a little bit earlier by starting your asparagus lettuce indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Snoqualmie. In the coldest months of winter you should expect an average low temperature of 15°F.

Always keep in mind that USDA zone info for Snoqualmie may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Snoqualmie you get surprised by a frost after March 15 be ready to cover your asparagus lettuce if you have a late frost.

USDA Zone Info for Snoqualmie

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 Snoqualmie

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