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.

In Bethany you can estimate when it's a good idea to plant dahlia by referring to 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 you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dahlia in Bethany 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 grow to maturity. You can get started a few weeks earlier by starting your dahlia indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Bethany. In the coldest months of winter you should expect an average low temperature of 0°F.

It's important to remember that USDA zone info for Bethany is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Bethany you get surprised by a frost after April 15 be ready to cover your dahlia if you have one of those late frosts.

USDA Zone Info for Bethany

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Bethany

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