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.

By looking at the USDA zone info for Seal Beach you should be able to estimate when you can plant bleeding hearts.

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 tend to make it in a tiny bit of cold which tells us that you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant bleeding hearts in Seal Beach 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. Any later than that and your bleeding hearts may not have a chance to really do well. If you are starting your bleeding hearts indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Seal Beach. You can expect an average low temperature of 35°F in the coldest months of winter.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Seal Beach and it can change quite a bit from year to year. Half of the time in Seal Beach last frost occurs after January 31 so make sure that you are ready to protect your bleeding hearts in the event of a surprise late frost.

USDA Zone Info for Seal Beach

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 Seal Beach

You may be interested in your other planting guides for Seal Beach.