One of the first steps you take when you are determining 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 using the USDA zone info for Signal Hill it's possible to figure out when you can plant hamburg root parsley.

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 do well in moderate cold you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant hamburg root parsley in Signal Hill 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. If you wait any later than that and your hamburg root parsley may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your hamburg root parsley indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Signal Hill. You can expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Signal Hill is just an average the actual date of last frost is different every year. Half of the time in Signal Hill there is a last frost after January 31 so make sure that you are ready to protect your hamburg root parsley if you have one of those late frosts.

USDA Zone Info for Signal Hill

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Signal Hill

You may be interested in your other planting guides for Signal Hill.