Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when to plant alstromeria by using the USDA zone info for Lompoc.

Planting Calendar for Alstromeria

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

Alstromeria tend to make it in a little bit of cold which means that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant alstromeria in Lompoc 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. You probably don't want to wait any later than that or else your alstromeria may not have a chance to really do well. You can get started a little bit earlier by starting your alstromeria indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Lompoc. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Lompoc is not always accurate the actual date of last frost will vary from year to year. Half of the time in Lompoc last frost occurs after February 15 so make sure that you are prepared to cover your alstromeria in the event of a late frost.

USDA Zone Info for Lompoc

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Lompoc

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