The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 Irvine should be used to estimate when it's possible to plant shasta daisys.

Planting Calendar for Shasta Daisys

Frost tolerance for shasta daisys:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Shasta Daisys do well in moderate cold which tells us that you can plant them earlier than other frost tender plants.

The earliest that you can plant shasta daisys in Irvine is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant shasta daisys and expect a good harvest is probably October. If you wait any later than that and your shasta daisys may not have a chance to grow to maturity. Starting your shasta daisys indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Irvine. You should expect an average low temperature of 30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Irvine may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Irvine you get a frost after January 31 so just be sure to be ready to cover your shasta daisys in the event of a surprise late frost.

USDA Zone Info for Irvine

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 Irvine

You may be interested in your other planting guides for Irvine.