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 perilla in Mukilteo can be determined by using the USDA zone info.

Planting Calendar for Perilla

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

Since perilla are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant perilla in Mukilteo 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 perilla and expect a good harvest is probably August. Any later than that and your perilla may not have a chance to really do well. You can get started a couple of weeks earlier by starting your perilla indoors.

Last Frost Date

The average date of last frost is March 15 in Mukilteo. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Mukilteo is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Mukilteo you get a frost after March 15 be ready to cover your perilla in the event of one of those late frosts.

USDA Zone Info for Mukilteo

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 Mukilteo

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