The USDA Zone info is a great tool for gardeners to help us determine 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.

The earliest that you can plant nolana in Mercer Island can be estimated by checking out the USDA zone info.

Planting Calendar for Nolana

Frost tolerance for nolana:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since nolana do not do well in cold weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant nolana in Mercer Island 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 nolana and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nolana may not have a chance to really do well. If you are starting your nolana indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Mercer Island the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Mercer Island may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Mercer Island last frost occurs after March 15 so make sure that you are ready to cover your nolana in the event of a late frost.

USDA Zone Info for Mercer Island

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 Mercer Island

You may be interested in your other planting guides for Mercer Island.