When to Plant California Poppy in Norwalk, CA

The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 Norwalk it's a good idea to figure out when it's a good idea to plant california poppy.


Planting Calendar for California Poppy

Frost tolerance for california poppy: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Since california poppy are barely cold tolerant you can plant them slightly earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant california poppy in Norwalk is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant california poppy and expect a good harvest is probably September. If you wait any later than that and your california poppy may not have a chance to grow to maturity. Starting your california poppy indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Norwalk. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for Norwalk is an average the actual date of last frost changes from year to year. Since half of the time in Norwalk it frosts late in the year after January 31 be ready to cover your california poppy if you have a late frost.

USDA Zone Info for Norwalk

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low35°F
Highest Expected Low40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Norwalk

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