Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when to plant dahlia is to consult the USDA zone info for Eagle Mountain.

Planting Calendar for Dahlia

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

Since dahlia are not cold tolerant you need to wait until after the last frost before you can plant them.

The earliest that you can plant dahlia in Eagle Mountain 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. Any later than that and your dahlia may not have a chance to really do well. 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

In Eagle Mountain the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Eagle Mountain is just an average the actual date of last frost changes from year to year. Since half of the time in Eagle Mountain you get surprised by a frost after April 15 be ready to protect your dahlia in the event of one of those late frosts.

USDA Zone Info for Eagle Mountain

Here is the info for USDA Zone 6b.

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

Plants to Grow in Eagle Mountain

You may be interested in your other planting guides for Eagle Mountain.