Before planting it is a good idea to find your USDA Zone info to estimate 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.

You should be able to figure out when it's possible to plant dahlias by looking at the USDA zone info for Tarpon Springs.

Planting Calendar for Dahlias

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

You really shouldn't plant dahlias until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant dahlias 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 dahlias and expect a good harvest is probably September. If you wait any later than that and your dahlias may not have a chance to really do well. Starting your dahlias indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Tarpon Springs. In the coldest months of winter you should expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Tarpon Springs is an average and the actual date of last frost changes from year to year. Since half of the time in Tarpon Springs last frost occurs after February 15 be ready to cover your dahlias if you have 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.