Before planting it is a good idea to find your USDA Zone info to determine 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.

In Woodcliff Lake you can determine when it's possible to plant common hollyhock by looking at the USDA zone info.

Planting Calendar for Common hollyhock

Frost tolerance for common hollyhock:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Common hollyhock are moderately cold tolerant which tells us that you can plant them a little bit earlier than other plants that might not handle the cold.

The earliest that you can plant common hollyhock in Woodcliff Lake is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant common hollyhock and expect a good harvest is probably September. If you wait any later than that and your common hollyhock may not have a chance to grow to maturity. Starting your common hollyhock indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Woodcliff Lake is an average and the actual date of last frost changes from year to year. Half of the time in Woodcliff Lake you get a frost after April 15 so make sure that you are ready to cover your common hollyhock if you have one of those late frosts.

USDA Zone Info for Woodcliff Lake

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 Woodcliff Lake

You may be interested in your other planting guides for Woodcliff Lake.