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 Mamaroneck you can figure out when you can plant alstromeria by using 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.

Since alstromeria are moderately cold tolerant you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant alstromeria in Mamaroneck 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 fully mature. You can get started a little bit earlier by starting your alstromeria indoors.

Last Frost Date

In Mamaroneck the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Mamaroneck may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Mamaroneck last frost occurs after April 15 be ready to cover your alstromeria in the event of one of those late frosts.

USDA Zone Info for Mamaroneck

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Mamaroneck

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