Before planting it is a good idea to find your USDA Zone info to estimate 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.

The earliest that you can plant polygonums in Livingston should be figured out by using the USDA zone info.

Planting Calendar for Polygonums

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

Since polygonums are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant polygonums in Livingston is March. However, you really should wait until April 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. Starting your polygonums indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Livingston. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Livingston is not always accurate the actual date of last frost is different every year. Half of the time in Livingston you get a frost after February 15 so be sure to be ready to protect your polygonums if you have a late frost.

USDA Zone Info for Livingston

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Livingston

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