When to Plant Browallia in Youngtown, AZ

One of the first steps you take when you are getting a good idea 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.

One way of estimating when it's a good idea to plant browallia is to use the USDA zone info for Youngtown.


Planting Calendar for Browallia

Frost tolerance for browallia: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Since browallia do not do well in cold weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant browallia
Possibly ok, but a risky time to plant browallia
Probably not a good time to plant browallia

The earliest that you can plant browallia in Youngtown 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 browallia and expect a good harvest is probably September. Any later than that and your browallia may not have a chance to fully mature. Starting your browallia indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Youngtown the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Youngtown is an average the actual date of last frost will vary from year to year. Half of the time in Youngtown you get surprised by a frost after February 15 so just be sure to be ready to cover your browallia in the event of a late frost.

USDA Zone Info for Youngtown

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Youngtown

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