Before planting it is a good idea to find your USDA Zone info to determine 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.

The USDA zone info for Rancho Santa Margarita can be read to determine when it's the best time to plant strawflowers.

Planting Calendar for Strawflowers

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

Since strawflowers are barely cold tolerant you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant strawflowers 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 strawflowers and expect a good harvest is probably September. Any later than that and your strawflowers may not have a chance to grow to maturity. Starting your strawflowers indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Rancho Santa Margarita. You can expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Rancho Santa Margarita is not always accurate and the actual date of last frost can change quite a bit 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 cover your strawflowers 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.