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.

It's a good idea to estimate when it's the best time to plant hamburg root parsley by using the USDA zone info for San Dimas.

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.

Hamburg root parsley are one of those plants that can tolerate a little bit of cold weather which means that you can start planting them earlier than more sensitive plants.

The earliest that you can plant hamburg root parsley in San Dimas 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 the last frost is on January 31 in San Dimas. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for San Dimas may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in San Dimas you get a frost after January 31 so just be sure to be ready to cover your hamburg root parsley if you have a surprise late frost.

USDA Zone Info for San Dimas

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Dimas

You may be interested in your other planting guides for San Dimas.