The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Mission Viejo you can determine when you can plant polygonums by referring to the USDA zone info.

Planting Calendar for Polygonums

Frost tolerance for polygonums:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since polygonums require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant polygonums in Mission Viejo is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant polygonums and expect a good harvest is probably September. If you wait any later than that and your polygonums may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your polygonums indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Mission Viejo. In the coldest months of winter you can expect an average low temperature of 35°F.

Always keep in mind that USDA zone info for Mission Viejo is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Mission Viejo you get a frost after January 31 be ready to protect your polygonums if you have one of those late frosts.

USDA Zone Info for Mission Viejo

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Mission Viejo

You may be interested in your other planting guides for Mission Viejo.