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.

In Baldwin Park you can figure out when it's the best time to plant columbine by checking out the USDA zone info.

Planting Calendar for Columbine

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

Columbine are moderately cold tolerant which means that you can start planting them earlier than more sensitive plants.

The earliest that you can plant columbine in Baldwin Park 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 columbine and expect a good harvest is probably October. Any later than that and your columbine may not have a chance to really do well. If you are starting your columbine indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Baldwin Park. In the coldest months of winter you should expect an average low temperature of 30°F.

Keep in mind that USDA zone info for Baldwin Park is just an average and the actual date of last frost is different every year. Half of the time in Baldwin Park you get surprised by a frost after January 31 so be sure to be ready to cover your columbine in the event of one of those late frosts.

USDA Zone Info for Baldwin Park

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Baldwin Park

You may be interested in your other planting guides for Baldwin Park.