One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when to plant balloon flower by looking at the USDA zone info for Yorba Linda.

Planting Calendar for Balloon Flower

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

You can plant balloon flower slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant balloon flower in Yorba 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 balloon flower and expect a good harvest is probably September. If you wait any later than that and your balloon flower may not have a chance to really do well. If you are starting your balloon flower indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Yorba Linda. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Yorba Linda is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Yorba Linda you get a frost after January 31 be ready to protect your balloon flower if you have one of those late frosts.

USDA Zone Info for Yorba Linda

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Yorba Linda

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