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 dahlias in West Haverstraw should be estimated by reviewing the USDA zone info.

Planting Calendar for Dahlias

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

It's probably a bad idea to plant dahlias until after the last frost because they do not do well in cold weather.

The earliest that you can plant dahlias in West Haverstraw 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 dahlias and expect a good harvest is probably August. You probably don't want to wait any later than that or else your dahlias may not have a chance to really do well. You can get started a little bit earlier by starting your dahlias indoors.

Last Frost Date

The average date of last frost is April 15 in West Haverstraw. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for West Haverstraw is just an average the actual date of last frost is different every year. Half of the time in West Haverstraw you get a frost after April 15 so be sure to be ready to cover your dahlias in the event of a surprise late frost.

USDA Zone Info for West Haverstraw

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 West Haverstraw

You may be interested in your other planting guides for West Haverstraw.