One of the first steps you take when you are determining 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 possible to plant blue lace flowers is to check out the USDA zone info for Rancho Santa Margarita.

Planting Calendar for Blue Lace Flowers

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

Blue Lace Flowers are barely cold tolerant which means that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant blue lace flowers in Rancho Santa Margarita 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 blue lace flowers and expect a good harvest is probably September. Any later than that and your blue lace flowers may not have a chance to fully mature. If you are starting your blue lace flowers indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Rancho Santa Margarita. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Rancho Santa Margarita is just an average the actual date of last frost changes from year to year. Since half of the time in Rancho Santa Margarita it frosts late in the year after January 31 be ready to protect your blue lace flowers in the event of one of those late frosts.

USDA Zone Info for Rancho Santa Margarita

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 Rancho Santa Margarita

You may be interested in your other planting guides for Rancho Santa Margarita.