One of the first steps you take when you are determining your gardening schedule is find your 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 USDA zone info for Stafford can be looked at to estimate when it's possible to plant anchusa.

Planting Calendar for Anchusa

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

Since anchusa do well in cold you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant anchusa in Stafford 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 anchusa and expect a good harvest is probably October. Any later than that and your anchusa may not have a chance to fully mature. If you are starting your anchusa indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Stafford the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Stafford may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Stafford you get surprised by a frost after February 15 be ready to cover your anchusa in the event of a surprise late frost.

USDA Zone Info for Stafford

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 Stafford

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