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.

A common way of estimating when you can plant bidens is to refer to the USDA zone info for Ocean Springs.

Planting Calendar for Bidens

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

Since bidens do not do well in cold weather it's important to wait until after all chance of frost has passed before you can plant them.

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

Last Frost Date

The average date of last frost is February 15 in Ocean Springs. In the coldest months of winter you should expect an average low temperature of 20°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Ocean Springs and it will vary from year to year. Since half of the time in Ocean Springs you get a frost after February 15 be ready to cover your bidens in the event of a late frost.

USDA Zone Info for Ocean Springs

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 Ocean Springs

You may be interested in your other planting guides for Ocean Springs.