One of the best tools that you have as gardeners to help us determine 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.

The first opportunity to plant doronicum in Victorville should be figured out by using 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.

Doronicum are moderately cold tolerant which tells us that you can get them planted earlier than other frost tender plants.

The earliest that you can plant doronicum in Victorville 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 doronicum and expect a good harvest is probably September. Any later than that and your doronicum may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your doronicum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Victorville. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Victorville and it changes from year to year. Half of the time in Victorville last frost occurs after March 15 so always be ready to cover your doronicum if you have one of those late frosts.

USDA Zone Info for Victorville

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Victorville

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