One of the first steps you take when you are making a decision about 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.

The earliest that you can plant alternaria in Puyallup should be determined by reviewing the USDA zone info.

Planting Calendar for Alternaria

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

Alternaria are not cold tolerant which means that it's necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant alternaria in Puyallup 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. You probably don't want to wait any later than that or else your alternaria may not have a chance to fully mature. You can get started a little bit earlier by starting your alternaria indoors.

Last Frost Date

In Puyallup the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 15°F.

Just be sure to remember that USDA zone info for Puyallup may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Puyallup last frost occurs after March 15 be ready to protect your alternaria in the event of one of those late frosts.

USDA Zone Info for Puyallup

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 Puyallup

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