The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when to plant alternaria by looking at the USDA zone info for Haverstraw.

Planting Calendar for Alternaria

Frost tolerance for alternaria:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Alternaria require warm weather which means that you need to wait until it warms up after all chance of frost has passed before you can plant them.

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

Last Frost Date

On average all chance of frost has passed is on April 15 in Haverstraw. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Haverstraw is just an average the actual date of last frost will vary from year to year. Half of the time in Haverstraw last frost occurs after April 15 so always be ready to protect your alternaria in the event of one of those late frosts.

USDA Zone Info for Haverstraw

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 Haverstraw

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