One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant digitalis in Cairo should be estimated by checking out the USDA zone info.

Planting Calendar for Digitalis

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

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

The earliest that you can plant digitalis in Cairo 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 really do well. Starting your digitalis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Cairo is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Cairo you get a frost after March 15 so make sure that you are prepared to cover your digitalis in the event of a surprise late frost.

USDA Zone Info for Cairo

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 Cairo

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