One of the best tools that you have as gardeners to help us estimate 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.

In Flagler Beach you can figure out when it's possible to plant dahlia by using the USDA zone info.

Planting Calendar for Dahlia

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

Dahlia require warm weather which tells us that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant dahlia in Flagler Beach 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 dahlia and expect a good harvest is probably September. Any later than that and your dahlia may not have a chance to really do well. Starting your dahlia 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 Flagler Beach. You can expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for Flagler Beach is just an average and the actual date of last frost is different every year. Since half of the time in Flagler Beach last frost occurs after February 15 be ready to protect your dahlia in the event of a late frost.

USDA Zone Info for Flagler Beach

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 Flagler Beach

You may be interested in your other planting guides for Flagler Beach.