One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Fullerton you can figure out when it's a good idea to plant alstromeria by looking at the USDA zone info.

Planting Calendar for Alstromeria

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

Alstromeria do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant alstromeria in Fullerton 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 alstromeria and expect a good harvest is probably October. Any later than that and your alstromeria may not have a chance to grow to maturity. You can get started a little bit earlier by starting your alstromeria indoors.

Last Frost Date

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

Remember that USDA zone info for Fullerton is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Fullerton you get surprised by a frost after January 31 so be sure to be ready to protect your alstromeria if you have a surprise late frost.

USDA Zone Info for Fullerton

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 Fullerton

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