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

In Lake in the Hills you can figure out when it's the best time 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.

Alstromeria do ok in mild cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant alstromeria in Lake in the Hills 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. Starting your alstromeria indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Lake in the Hills. You can expect an average low temperature of -15°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Lake in the Hills and it is different every year. Half of the time in Lake in the Hills you get a frost after April 15 so make sure that you are prepared to cover your alstromeria if you have one of those late frosts.

USDA Zone Info for Lake in the Hills

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Lake in the Hills

You may be interested in your other planting guides for Lake in the Hills.