Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when it's the best time to plant rhubarb is to consult the USDA zone info for Malibu.

Planting Calendar for Rhubarb

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

You can plant rhubarb just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant rhubarb in Malibu 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. Any later than that and your rhubarb may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your rhubarb indoors.

Last Frost Date

The average date of last frost is January 31 in Malibu. It might get as low as 35°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Malibu and it is different every year. Half of the time in Malibu it frosts late in the year after January 31 so make sure that you are prepared to protect your rhubarb in the event of one of those late frosts.

USDA Zone Info for Malibu

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 Malibu

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