Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Yuma you can determine when it's possible to plant streptocarpella by looking at the USDA zone info.

Planting Calendar for Streptocarpella

Frost tolerance for streptocarpella:	Not tolerant of frost.
When to plant:	After the last frost.

You really shouldn't plant streptocarpella until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant streptocarpella in Yuma 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 streptocarpella and expect a good harvest is probably September. If you wait any later than that and your streptocarpella may not have a chance to really do well. If you are starting your streptocarpella indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Yuma. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Yuma is not always accurate the actual date of last frost is different every year. Since half of the time in Yuma there is a last frost after January 31 be ready to cover your streptocarpella in the event of a late frost.

USDA Zone Info for Yuma

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Yuma

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