The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Cleveland you can figure out when it's possible to plant alstromeria by reviewing 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.

You can plant alstromeria a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant alstromeria in Cleveland 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. Starting your alstromeria indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Cleveland. In the coldest months of winter you can expect an average low temperature of -5°F.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Cleveland and it can change quite a bit from year to year. Half of the time in Cleveland there is a last frost after April 15 so make sure that you are prepared to protect your alstromeria if you have a late frost.

USDA Zone Info for Cleveland

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 Cleveland

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