The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when to plant schizanthus in Pasadena by checking out the USDA zone info.

Planting Calendar for Schizanthus

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

Since schizanthus are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant schizanthus in Pasadena 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 grow to maturity. You can get started a few weeks earlier by starting your schizanthus indoors.

Last Frost Date

The average date of last frost is January 31 in Pasadena. You can expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Pasadena is an average and the actual date of last frost will vary from year to year. Half of the time in Pasadena there is a last frost after January 31 so just be sure to be ready to protect your schizanthus in the event of a late frost.

USDA Zone Info for Pasadena

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 Pasadena

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