One of the first steps you take when you are making a decision about 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.

The earliest that you can plant dahlia in Bolivar can be estimated 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.

Since dahlia require warm weather it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant dahlia in Bolivar is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant dahlia and expect a good harvest is probably August. If you wait any later than that and your dahlia may not have a chance to really do well. You can get started a few weeks earlier by starting your dahlia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Bolivar. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Bolivar is not always accurate the actual date of last frost will vary from year to year. Half of the time in Bolivar last frost occurs after April 15 so make sure that you are prepared to protect your dahlia in the event of one of those late frosts.

USDA Zone Info for Bolivar

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Bolivar

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