One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's a good idea to plant dahlia is to refer to the USDA zone info for Rockledge.

Planting Calendar for Dahlia

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

You can not plant dahlia until after all chance of frost has passed because they require warm weather.

The earliest that you can plant dahlia in Rockledge 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 fully mature. If you are starting your dahlia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Rockledge. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Rockledge is an average the actual date of last frost is different every year. Since half of the time in Rockledge you get a frost after February 15 be ready to cover your dahlia if you have one of those late frosts.

USDA Zone Info for Rockledge

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 Rockledge

You may be interested in your other planting guides for Rockledge.