When to Plant Lupine in Placerville, 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.

The USDA zone info for Placerville should be reffered to in order to determine when you can plant lupine.


Planting Calendar for Lupine

Frost tolerance for lupine: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Lupine tend to make it in moderate cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

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

The earliest that you can plant lupine in Placerville 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 lupine and expect a good harvest is probably October. You probably don't want to wait any later than that or else your lupine may not have a chance to fully mature. Starting your lupine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Placerville. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Placerville is just an average the actual date of last frost changes from year to year. Since half of the time in Placerville there is a last frost after February 15 be ready to protect your lupine if you have a surprise late frost.

USDA Zone Info for Placerville

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low20°F
Highest Expected Low25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Placerville

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