Before planting it is a good idea to find your USDA Zone info to figure out 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.

It's a good idea to figure out when it's possible to plant browallia by checking out the USDA zone info for Gridley.

Planting Calendar for Browallia

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

It's not a good idea to plant browallia until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant browallia in Gridley 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. You can get started a couple of weeks earlier by starting your browallia indoors.

Last Frost Date

On average the last frost is on February 15 in Gridley. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Gridley is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Gridley you get surprised by a frost after February 15 be ready to cover your browallia if you have a late frost.

USDA Zone Info for Gridley

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 Gridley

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