One of the first steps you take when you are making a decision about 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.

It's possible to determine when it's the best time to plant digitalis by referring to the USDA zone info for Grapevine.

Planting Calendar for Digitalis

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

Since digitalis do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant digitalis in Grapevine 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. Any later than that and your digitalis may not have a chance to really do well. You can get started a little bit earlier by starting your digitalis indoors.

Last Frost Date

The average date of last frost is March 15 in Grapevine. You should expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that USDA zone info for Grapevine is just an average and the actual date of last frost will vary from year to year. Half of the time in Grapevine there is a last frost after March 15 so be sure to be ready to cover your digitalis in the event of a late frost.

USDA Zone Info for Grapevine

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Grapevine

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