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.

It's possible to estimate when to plant california poppy by referring to the USDA zone info for Loma Linda.

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 just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant california poppy in Loma Linda 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. You probably don't want to wait any later than that or else 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 February 15 in Loma Linda. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Loma Linda 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 Loma Linda you get a frost after February 15 be ready to cover your california poppy if you have one of those late frosts.

USDA Zone Info for Loma Linda

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Loma Linda

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