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

A common way of getting a good idea when it's possible to plant alstromeria is to use the USDA zone info for Ecorse.

Planting Calendar for Alstromeria

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

You can plant alstromeria a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant alstromeria in Ecorse 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 grow to maturity. You can get started a few weeks earlier by starting your alstromeria indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Ecorse. You can expect an average low temperature of -5°F in the coldest months of winter.

Remember that USDA zone info for Ecorse is not always accurate and the actual date of last frost is different every year. Half of the time in Ecorse you get a frost after April 15 so be sure to be ready to protect your alstromeria if you have a surprise late frost.

USDA Zone Info for Ecorse

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Ecorse

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