One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of figuring out when you can plant schizanthus is to use the USDA zone info for Chula Vista.

Planting Calendar for Schizanthus

Frost tolerance for schizanthus:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant schizanthus until after the last frost has passed because they require warm weather.

The earliest that you can plant schizanthus in Chula Vista 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 schizanthus and expect a good harvest is probably September. Any later than that and your schizanthus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your schizanthus indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Chula Vista. It might get as low as 35°F during the coldest months of winter.

Keep in mind that USDA zone info for Chula Vista is an average and the actual date of last frost will vary from year to year. Half of the time in Chula Vista you get a frost after January 31 so make sure that you are ready to protect your schizanthus if you have one of those late frosts.

USDA Zone Info for Chula Vista

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Chula Vista

You may be interested in your other planting guides for Chula Vista.