One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when to plant alstromeria in Sweetwater 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 do well in mild cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant alstromeria in Sweetwater 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 grow to maturity. 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 all chance of frost has passed is on April 15 in Sweetwater. In the coldest months of winter you should expect an average low temperature of 5°F.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Sweetwater and it can change quite a bit from year to year. Since half of the time in Sweetwater you get a frost after April 15 be ready to cover your alstromeria if you have one of those late frosts.

USDA Zone Info for Sweetwater

Here is the info for USDA Zone 7b.

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

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Sweetwater

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