When to Plant Potatos in Rocklin, CA

Before planting it is a good idea to find your USDA Zone info to estimate 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.

By checking out the USDA zone info for Rocklin you will be able to estimate when you can plant potatos.


Planting Calendar for Potatos

Frost tolerance for potatos: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Potatos are one of those plants that can tolerate quite a bit of cold weather which tells us that you can plant them a quite a bit earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant potatos in Rocklin 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 potatos and expect a good harvest is probably October. If you wait any later than that and your potatos may not have a chance to really do well. Starting your potatos indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Rocklin may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Rocklin you get a frost after February 15 so always be ready to cover your potatos in the event of a surprise late frost.

USDA Zone Info for Rocklin

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 Low25°F
Highest Expected Low30°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 Rocklin

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