The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Boynton Beach you can determine when to plant dahlia by checking out the USDA zone info.

Planting Calendar for Dahlia

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

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

The earliest that you can plant dahlia in Boynton Beach is February. However, you really should wait until March 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. You probably don't want to wait any later than that or else your dahlia may not have a chance to really do well. Starting your dahlia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Boynton Beach. In the coldest months of winter you should expect an average low temperature of 35°F.

Keep in mind that USDA zone info for Boynton Beach is just an average and the actual date of last frost changes from year to year. Since half of the time in Boynton Beach you get a frost after January 31 be ready to cover your dahlia in the event of one of those late frosts.

USDA Zone Info for Boynton Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Boynton Beach

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