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

You should be able to figure out when it's the best time to plant digitalis by using the USDA zone info for Warrenton.

Planting Calendar for Digitalis

Frost tolerance for digitalis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Digitalis can survive in mild cold which tells us that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant digitalis in Warrenton 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 digitalis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your digitalis may not have a chance to fully mature. You can get started a little bit earlier by starting your digitalis indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Warrenton. In the coldest months of winter you should expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Warrenton is an average and the actual date of last frost will vary from year to year. Half of the time in Warrenton there is a last frost after April 15 so always be ready to cover your digitalis if you have one of those late frosts.

USDA Zone Info for Warrenton

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Warrenton

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