The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Cedar City you can determine when it's possible to plant anchusa by looking at the USDA zone info.

Planting Calendar for Anchusa

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

Anchusa are very cold tolerant which tells us that you can plant them a quite a bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant anchusa in Cedar City 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 little bit earlier by starting your anchusa indoors.

Last Frost Date

On average the last frost is on April 15 in Cedar City. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Cedar City is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Cedar City you get surprised by a frost after April 15 so make sure that you are ready to cover your anchusa in the event of one of those late frosts.

USDA Zone Info for Cedar City

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Cedar City

You may be interested in your other planting guides for Cedar City.