When can I plant Pennyroyal in Zone 13b

One of the best tools that we have as gardeners to help us estimate our 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 our area.

A common way of getting a good idea when it's possible to plant pennyroyal is to consult the USDA zone info for Zone 13b.


Planting Calendar for Pennyroyal

Frost tolerance for pennyroyal: Very tolerant of frost.
When you should plant them: Up to 7 weeks before last frost.

Pennyroyal tend to make it in pretty solid cold which means that you can plant them a lot earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant pennyroyal
Possibly ok, but a risky time to plant pennyroyal
Probably not a good time to plant pennyroyal

The earliest that you can plant pennyroyal in Zone 13b 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 pennyroyal and expect a good harvest is probably November. You probably don't want to wait any later than that or else your pennyroyal may not have a chance to fully mature. You can get started a few weeks earlier by starting your pennyroyal indoors.

Last Frost Date

In Zone 13b it never frosts. We should expect an average low temperature of 65°F in the coldest months of winter.

Just be sure to remember that our actual date of last frost is an average because it is based on the USDA zone info for Zone 13b and it changes from year to year. Since it never frosts in Zone 13b you do not have to be ready to cover your pennyroyal in the event of one of those late frosts.

USDA Zone Info for Zone 13b

Here is the info for USDA Zone 13b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low65°F
Highest Expected Low70°F

This means that on a really cold year, the coldest it will get is 65°F. On most years you should be prepared to experience lows near 70°F.

Plants to Grow in Zone 13b

You may be interested in our other planting guides for Zone 13b.