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.

You should be able to estimate when to plant polygonums by checking out the USDA zone info for Raymondville.

Planting Calendar for Polygonums

Frost tolerance for polygonums:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant polygonums until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant polygonums in Raymondville 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. You probably don't want to wait any later than that or else your polygonums may not have a chance to really do well. You can get started a little bit earlier by starting your polygonums indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Raymondville. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Raymondville may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Raymondville there is a last frost after February 15 so just be sure to be ready to cover your polygonums if you have one of those late frosts.

USDA Zone Info for Raymondville

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 Raymondville

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