One of the best tools that you have as gardeners to help us estimate 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.

A common way of estimating when it's a good idea to plant pentas is to check out the USDA zone info for Firebaugh.

Planting Calendar for Pentas

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

Since pentas require warm weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant pentas in Firebaugh 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 pentas and expect a good harvest is probably September. Any later than that and your pentas may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your pentas indoors.

Last Frost Date

In Firebaugh 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.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Firebaugh and it is different every year. Since half of the time in Firebaugh you get a frost after February 15 be ready to protect your pentas in the event of one of those late frosts.

USDA Zone Info for Firebaugh

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 Firebaugh

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