Before planting it is a good idea to find your USDA Zone info to determine 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 USDA zone info for La Mesa should be looked at to determine when it's possible to plant balsam.

Planting Calendar for Balsam

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

Balsam do not do well in cold weather which tells us that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant balsam in La Mesa is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant balsam and expect a good harvest is probably September. You probably don't want to wait any later than that or else your balsam may not have a chance to fully mature. Starting your balsam indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on January 31 in La Mesa. In the coldest months of winter you can expect an average low temperature of 30°F.

It's important to remember that USDA zone info for La Mesa is not always accurate and the actual date of last frost will vary from year to year. Half of the time in La Mesa you get surprised by a frost after January 31 so make sure that you are ready to cover your balsam if you have one of those late frosts.

USDA Zone Info for La Mesa

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 La Mesa

You may be interested in your other planting guides for La Mesa.