One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's a good idea to plant hamburg root parsley is to examine the USDA zone info for Warwick.

Planting Calendar for Hamburg root parsley

Frost tolerance for hamburg root parsley:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since hamburg root parsley are one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant hamburg root parsley in Warwick 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 hamburg root parsley and expect a good harvest is probably September. If you wait any later than that and your hamburg root parsley may not have a chance to really do well. Starting your hamburg root parsley indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Warwick. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Warwick is an average the actual date of last frost changes from year to year. Since half of the time in Warwick you get a frost after April 15 be ready to cover your hamburg root parsley if you have a surprise late frost.

USDA Zone Info for Warwick

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Warwick

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