One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Yorba Linda should be looked at to figure out 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.

Since iceland poppy are moderately cold tolerant you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant iceland poppy in Yorba Linda 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. Any later than that and your iceland poppy may not have a chance to fully mature. If you are starting your iceland poppy indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Yorba Linda. It might get as low as 30°F during the coldest months of winter.

It's important to remember that USDA zone info for Yorba Linda is an average and the actual date of last frost changes from year to year. Half of the time in Yorba Linda there is a last frost after January 31 so make sure that you are prepared to protect your iceland poppy if you have a surprise late frost.

USDA Zone Info for Yorba Linda

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 Low	30°F
Highest Expected Low	35°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 Yorba Linda

You may be interested in your other planting guides for Yorba Linda.