One of the best tools that you have as gardeners to help us estimate 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.

You should be able to determine when it's possible to plant alstromeria by looking at the USDA zone info for Farmington.

Planting Calendar for Alstromeria

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

Since alstromeria do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant alstromeria in Farmington 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. If you wait any later than that and your alstromeria may not have a chance to really do well. If you are starting your alstromeria indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Farmington. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Farmington may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Farmington last frost occurs after April 15 be ready to protect your alstromeria in the event of one of those late frosts.

USDA Zone Info for Farmington

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Farmington

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