Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when you can plant alternaria is to consult the USDA zone info for Everett.

Planting Calendar for Alternaria

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

Alternaria require warm weather which tells us that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant alternaria in Everett 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 alternaria and expect a good harvest is probably August. Any later than that and your alternaria may not have a chance to grow to maturity. If you are starting your alternaria indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Everett is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Everett you get a frost after March 15 so just be sure to be ready to protect your alternaria if you have a late frost.

USDA Zone Info for Everett

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 Everett

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