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.

The first chance to plant doronicum in Westminster can be determined by referring to the USDA zone info.

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 bit 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 Westminster 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 grow to maturity. Starting your doronicum indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Westminster the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 35°F.

Remember that USDA zone info for Westminster may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Westminster it frosts late in the year after January 31 be ready to cover your doronicum in the event of one of those late frosts.

USDA Zone Info for Westminster

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 Westminster

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