The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when you can plant balsam is to examine the USDA zone info for Covina.

Planting Calendar for Balsam

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

Balsam are not cold tolerant which tells us that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant balsam in Covina 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. You can get started a couple of weeks earlier by starting your balsam indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Covina. You can expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for Covina is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Covina there is a last frost after January 31 so just be sure to be ready to protect your balsam if you have one of those late frosts.

USDA Zone Info for Covina

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 Covina

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