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.

One way of making a decision about when it's possible to plant doronicum is to examine the USDA zone info for Madera.

Planting Calendar for Doronicum

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

Since doronicum do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant doronicum in Madera 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. Any later than that and your doronicum may not have a chance to really do well. You can get started a few weeks earlier by starting your doronicum indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Madera. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Madera may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Madera there is a last frost after February 15 be ready to protect your doronicum if you have a late frost.

USDA Zone Info for Madera

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Madera

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