Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. 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 getting a good idea when you can plant doronicum is to consult the USDA zone info for Tustin.

Planting Calendar for Doronicum

Frost tolerance for doronicum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant doronicum a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant doronicum in Tustin 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 doronicum and expect a good harvest is probably October. You probably don't want to wait any later than that or else your doronicum may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your doronicum indoors.

Last Frost Date

In Tustin the average date of last frost happens on January 31. 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 Tustin may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Tustin you get a frost after January 31 be ready to cover your doronicum if you have one of those late frosts.

USDA Zone Info for Tustin

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 Tustin

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