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

In Auburn you can figure out 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.

Alstromeria are moderately cold tolerant which means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant alstromeria in Auburn 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 alstromeria and expect a good harvest is probably September. Any later than that and your alstromeria may not have a chance to really do well. Starting your alstromeria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Auburn. It might get as low as 10°F during the coldest months of winter.

It's important to remember that USDA zone info for Auburn is not always accurate and the actual date of last frost is different every year. Half of the time in Auburn you get surprised by a frost after March 15 so make sure that you are prepared to cover your alstromeria if you have one of those late frosts.

USDA Zone Info for Auburn

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Auburn

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