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

You should be able to determine when to plant bleeding hearts by checking out the USDA zone info for Corona.

Planting Calendar for Bleeding Hearts

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

Bleeding Hearts do ok in moderate cold which tells us that you can get them planted just a bit earlier than other plants that might not handle the cold.

The earliest that you can plant bleeding hearts in Corona 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 bleeding hearts and expect a good harvest is probably September. If you wait any later than that and your bleeding hearts may not have a chance to grow to maturity. If you are starting your bleeding hearts indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Corona the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Corona may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Corona last frost occurs after February 15 so always be ready to cover your bleeding hearts if you have a surprise late frost.

USDA Zone Info for Corona

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 Corona

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