One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The best time to plant pentas in Buckeye can be estimated by referring to the USDA zone info.

Planting Calendar for Pentas

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

You should not plant pentas until after the last frost because they require warm weather.

The earliest that you can plant pentas in Buckeye 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. You probably don't want to wait any later than that or else your pentas may not have a chance to grow to maturity. Starting your pentas indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Buckeye. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Buckeye is just an average the actual date of last frost changes from year to year. Half of the time in Buckeye you get surprised by a frost after February 15 so make sure that you are prepared to protect your pentas in the event of a surprise late frost.

USDA Zone Info for Buckeye

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Buckeye

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