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.

One way of estimating when it's a good idea to plant peonies is to use the USDA zone info for Signal Hill.

Planting Calendar for Peonies

Frost tolerance for peonies:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Peonies are barely cold tolerant which means that you can plant them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant peonies in Signal Hill 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 peonies and expect a good harvest is probably September. Any later than that and your peonies may not have a chance to really do well. You can get started a couple of weeks earlier by starting your peonies indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Signal Hill. You can expect an average low temperature of 35°F in the coldest months of winter.

Keep in mind that USDA zone info for Signal Hill is an average and the actual date of last frost changes from year to year. Half of the time in Signal Hill it frosts late in the year after January 31 so always be ready to protect your peonies if you have 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 Low	35°F
Highest Expected Low	40°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.