One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Citrus Heights can be used to figure out when to plant lobelia.

Planting Calendar for Lobelia

Frost tolerance for lobelia:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Lobelia tend to make it in pretty solid cold which tells us that you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant lobelia in Citrus Heights 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 lobelia and expect a good harvest is probably October. If you wait any later than that and your lobelia may not have a chance to grow to maturity. If you are starting your lobelia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Citrus Heights. In the coldest months of winter you should expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Citrus Heights is just an average and the actual date of last frost will vary from year to year. Half of the time in Citrus Heights it frosts late in the year after February 15 so make sure that you are prepared to cover your lobelia in the event of a late frost.

USDA Zone Info for Citrus Heights

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 Citrus Heights

You may be interested in your other planting guides for Citrus Heights.