One of the first steps you take when you are estimating your gardening schedule is find your 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.

The best time to plant calla lily in Aliso Viejo can be determined by checking out the USDA zone info.

Planting Calendar for Calla Lily

Frost tolerance for calla lily:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since calla lily require warm weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant calla lily in Aliso Viejo 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 calla lily and expect a good harvest is probably September. If you wait any later than that and your calla lily may not have a chance to really do well. You can get started a couple of weeks earlier by starting your calla lily indoors.

Last Frost Date

The average date of last frost is January 31 in Aliso Viejo. You can expect an average low temperature of 30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Aliso Viejo is just an average and the actual date of last frost changes from year to year. Since half of the time in Aliso Viejo last frost occurs after January 31 be ready to cover your calla lily if you have a late frost.

USDA Zone Info for Aliso Viejo

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 Aliso Viejo

You may be interested in your other planting guides for Aliso Viejo.