Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's the best time to plant hamburg root parsley in San Juan by checking out 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.

Since hamburg root parsley are moderately cold tolerant you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant hamburg root parsley in San Juan 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. Any later than that and your hamburg root parsley may not have a chance to fully mature. 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 San Juan. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for San Juan and it can change quite a bit from year to year. Half of the time in San Juan it frosts late in the year after February 15 so always be ready to protect your hamburg root parsley if you have a surprise late frost.

USDA Zone Info for San Juan

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 San Juan

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