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.

By looking at the USDA zone info for Palm Bay it's possible to determine when you can plant four-o-clock flower.

Planting Calendar for Four-o-clock flower

Frost tolerance for four-o-clock flower:	Not tolerant of frost.
When to plant:	After the last frost.

Since four-o-clock flower are not cold tolerant it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant four-o-clock flower in Palm Bay 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 four-o-clock flower and expect a good harvest is probably September. Any later than that and your four-o-clock flower may not have a chance to really do well. You can get started a little bit earlier by starting your four-o-clock flower indoors.

Last Frost Date

The average date of last frost is February 15 in Palm Bay. You should expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Palm Bay may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Palm Bay there is a last frost after February 15 so just be sure to be ready to protect your four-o-clock flower if you have a surprise late frost.

USDA Zone Info for Palm Bay

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 Palm Bay

You may be interested in your other planting guides for Palm Bay.