One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when it's possible to plant browallia by using the USDA zone info for Oakdale.

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 are not cold tolerant you have to wait until after the last frost before you can plant them.

The earliest that you can plant browallia in Oakdale 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 really do well. Starting your browallia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Oakdale 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 Oakdale is just an average the actual date of last frost changes from year to year. Since half of the time in Oakdale you get surprised by a frost after February 15 be ready to cover your browallia if you have one of those late frosts.

USDA Zone Info for Oakdale

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 Low	25°F
Highest Expected Low	30°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 Oakdale

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