The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when it's possible to plant browallia is to use the USDA zone info for Palmdale.

Planting Calendar for Browallia

Frost tolerance for browallia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since browallia require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant browallia in Palmdale 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 browallia and expect a good harvest is probably August. If you wait any later than that and your browallia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your browallia indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Palmdale. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Palmdale is just an average the actual date of last frost will vary from year to year. Half of the time in Palmdale it frosts late in the year after March 15 so make sure that you are ready to protect your browallia in the event of one of those late frosts.

USDA Zone Info for Palmdale

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 Palmdale

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