One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when to plant bidens by referring to the USDA zone info for Tarpon Springs.

Planting Calendar for Bidens

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

Bidens require warm weather which means that it is important to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant bidens in Tarpon 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 grow to maturity. Starting your bidens indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Tarpon Springs. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Tarpon Springs is an average the actual date of last frost changes from year to year. Half of the time in Tarpon Springs it frosts late in the year after February 15 so make sure that you are ready to protect your bidens in the event of a surprise late frost.

USDA Zone Info for Tarpon Springs

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 Tarpon Springs

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