Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant dahlia in Belen can be determined by using the USDA zone info.

Planting Calendar for Dahlia

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

Since dahlia do not do well in cold 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 Belen 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Belen. You should expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that USDA zone info for Belen may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Belen last frost occurs after April 15 be ready to protect your dahlia if you have a late frost.

USDA Zone Info for Belen

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 Belen

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