When to Plant Iceland Poppy in Glendora, CA

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

By looking at the USDA zone info for Glendora it's a good idea to figure out when you can 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 Glendora 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. If you wait any later than that and your iceland poppy may not have a chance to grow to maturity. Starting your iceland poppy indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Glendora. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Glendora and it can change quite a bit from year to year. Since half of the time in Glendora last frost occurs after January 31 be ready to cover your iceland poppy in the event of a surprise late frost.

USDA Zone Info for Glendora

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Glendora

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