One of the first steps you take when you are figuring out 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.

A common way of determining when you can plant didiscus is to refer to the USDA zone info for The Dalles.

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.

You can plant didiscus just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant didiscus in The Dalles 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. You probably don't want to wait any later than that or else your didiscus may not have a chance to fully mature. If you are starting your didiscus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in The Dalles. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for The Dalles is just an average the actual date of last frost is different every year. Half of the time in The Dalles last frost occurs after March 15 so just be sure to be ready to cover your didiscus in the event of one of those late frosts.

USDA Zone Info for The Dalles

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 The Dalles

You may be interested in your other planting guides for The Dalles.