When can I plant Alstromeria in Zone 2a

One of the first steps we take when we are getting a good idea our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

By referring to the USDA zone info for Zone 2a it's a good idea to figure out when it's the best time to plant alstromeria.


Planting Calendar for Alstromeria

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

You can plant alstromeria a little earlier in the year because they do well in moderate cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant alstromeria
Possibly ok, but a risky time to plant alstromeria
Probably not a good time to plant alstromeria

The earliest that you can plant alstromeria in Zone 2a is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant alstromeria and expect a good harvest is probably August. If you wait 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

In Zone 2a the average date of last frost happens on May 15. In the coldest months of winter we can expect an average low temperature of -50°F.

Always keep in mind that USDA zone info for Zone 2a is not always accurate and our actual date of last frost will vary from year to year. Since half of the time in Zone 2a there is a last frost after May 15 be ready to protect your alstromeria if we have one of those late frosts.

USDA Zone Info for Zone 2a

Here is the info for USDA Zone 2a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-50°F
Highest Expected Low-45°F

This means that on a really cold year, the coldest it will get is -50°F. On most years you should be prepared to experience lows near -45°F.

Plants to Grow in Zone 2a

You may be interested in our other planting guides for Zone 2a.