One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when to plant streptocarpella by checking out the USDA zone info for Irving.

Planting Calendar for Streptocarpella

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

Since streptocarpella are not cold tolerant you need to wait until after all chance of frost has passed before you can plant them.

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

The last month that you can plant streptocarpella and expect a good harvest is probably August. You probably don't want to wait any later than that or else your streptocarpella may not have a chance to really do well. You can get started a little bit earlier by starting your streptocarpella indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Irving. In the coldest months of winter you can expect an average low temperature of 10°F.

Keep in mind that USDA zone info for Irving is an average and the actual date of last frost will vary from year to year. Half of the time in Irving you get a frost after March 15 so make sure that you are ready to cover your streptocarpella in the event of one of those late frosts.

USDA Zone Info for Irving

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 Irving

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