One of the best tools that you have as gardeners to help us figure out 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.

The first opportunity to plant hamburg root parsley in Roma can be estimated by referring to the USDA zone info.

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.

You can plant hamburg root parsley a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant hamburg root parsley in Roma is January. However, you really should wait until February 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 October. You probably don't want to wait any later than that or else your hamburg root parsley may not have a chance to grow to maturity. You can get started a little bit earlier by starting your hamburg root parsley indoors.

Last Frost Date

The average date of last frost is February 15 in Roma. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Roma is just an average the actual date of last frost is different every year. Half of the time in Roma there is a last frost after February 15 so be sure to be ready to protect your hamburg root parsley if you have a surprise late frost.

USDA Zone Info for Roma

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Roma

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