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.

The first opportunity to plant california poppy in Spring Valley can be determined by looking at the USDA zone info.

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.

California Poppy are barely cold tolerant which tells us that you can plant them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant california poppy in Spring Valley is March. However, you really should wait until April 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 August. You probably don't want to wait any later than that or else your california poppy may not have a chance to fully mature. If you are starting your california poppy indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Spring Valley. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Spring Valley is an average the actual date of last frost changes from year to year. Half of the time in Spring Valley you get a frost after April 15 so just be sure to be ready to cover your california poppy if you have a surprise late frost.

USDA Zone Info for Spring Valley

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Spring Valley

You may be interested in your other planting guides for Spring Valley.