One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Haledon it's possible to determine when it's a good idea to plant watercress.

Planting Calendar for Watercress

Frost tolerance for watercress:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Watercress are barely cold tolerant which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant watercress in Haledon is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant watercress and expect a good harvest is probably August. If you wait any later than that and your watercress may not have a chance to really do well. You can get started a little bit earlier by starting your watercress indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Haledon may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Haledon there is a last frost after April 15 so always be ready to cover your watercress if you have a surprise late frost.

USDA Zone Info for Haledon

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 Haledon

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