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

In San Jacinto you can estimate when it's a good idea to plant impatiens by using the USDA zone info.

Planting Calendar for Impatiens

Frost tolerance for impatiens:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's not a good idea to plant impatiens until after the last frost has passed because they require warm weather.

The earliest that you can plant impatiens in San Jacinto is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant impatiens and expect a good harvest is probably September. If you wait any later than that and your impatiens may not have a chance to fully mature. You can get started a little bit earlier by starting your impatiens indoors.

Last Frost Date

The average date of last frost is February 15 in San Jacinto. You should expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for San Jacinto is an average and the actual date of last frost is different every year. Half of the time in San Jacinto you get a frost after February 15 so be sure to be ready to cover your impatiens in the event of one of those late frosts.

USDA Zone Info for San Jacinto

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 San Jacinto

You may be interested in your other planting guides for San Jacinto.