When to Plant Iceland Poppy in Signal Hill, CA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Signal Hill you should be able to determine when it's possible to plant iceland poppy.


Planting Calendar for Iceland Poppy

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

You can plant iceland poppy a little earlier in the year because they do well in moderate cold.

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

The earliest that you can plant iceland poppy in Signal Hill 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 iceland poppy and expect a good harvest is probably October. You probably don't want to wait any later than that or else your iceland poppy may not have a chance to really do well. You can get started a few weeks earlier by starting your iceland poppy indoors.

Last Frost Date

In Signal Hill the average date of last frost happens on January 31. It might get as low as 35°F during the coldest months of winter.

It's important to remember that USDA zone info for Signal Hill may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Signal Hill last frost occurs after January 31 be ready to protect your iceland poppy in the event of one of those late frosts.

USDA Zone Info for Signal Hill

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 Signal Hill

You may be interested in your other planting guides for Signal Hill.