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.

In La Verne you can estimate when it's a good idea to plant alstromeria by referring to 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.

Since alstromeria are moderately cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant alstromeria in La Verne 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. If you wait any later than that and 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

The average date of last frost is February 15 in La Verne. It might get as low as 25°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for La Verne and it can change quite a bit from year to year. Half of the time in La Verne there is a last frost after February 15 so make sure that you are ready to cover your alstromeria if you have one of those late frosts.

USDA Zone Info for La Verne

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 La Verne

You may be interested in your other planting guides for La Verne.