Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Colton it's a good idea to determine when it's a good idea to 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.

You can plant hamburg root parsley just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant hamburg root parsley in Colton 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 really do well. Starting your hamburg root parsley indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Colton the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Colton and it is different every year. Half of the time in Colton last frost occurs after February 15 so make sure that you are ready to protect your hamburg root parsley in the event of one of those late frosts.

USDA Zone Info for Colton

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 Colton

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