One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when to plant anchusa is to use the USDA zone info for Victorville.

Planting Calendar for Anchusa

Frost tolerance for anchusa:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

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

The earliest that you can plant anchusa 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 anchusa and expect a good harvest is probably September. Any later than that and your anchusa may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your anchusa indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Victorville. In the coldest months of winter you should expect an average low temperature of 15°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Victorville and it will vary from year to year. Since half of the time in Victorville it frosts late in the year after March 15 be ready to cover your anchusa if you have a surprise late frost.

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.