One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Brawley you can figure out when you can plant rhubarb by checking out the USDA zone info.

Planting Calendar for Rhubarb

Frost tolerance for rhubarb:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since rhubarb are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant rhubarb in Brawley is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant rhubarb and expect a good harvest is probably October. If you wait any later than that and your rhubarb may not have a chance to really do well. If you are starting your rhubarb indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Brawley. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Brawley may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Brawley you get a frost after February 15 so make sure that you are prepared to cover your rhubarb if you have one of those late frosts.

USDA Zone Info for Brawley

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 Brawley

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