One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 figure out when to plant didiscus by looking at the USDA zone info for Cairo.

Planting Calendar for Didiscus

Frost tolerance for didiscus:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Didiscus do ok in moderate cold which tells us that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant didiscus in Cairo is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant didiscus and expect a good harvest is probably August. If you wait any later than that and your didiscus may not have a chance to really do well. You can get started a few weeks earlier by starting your didiscus indoors.

Last Frost Date

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

Since the USDA zone info for Cairo may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Cairo last frost occurs after March 15 so just be sure to be ready to protect your didiscus in the event of one of those late frosts.

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.