One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant garden orache in Grayslake can be figured out by using the USDA zone info.

Planting Calendar for Garden Orache

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

Garden Orache are moderately cold tolerant which means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant garden orache in Grayslake 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 garden orache and expect a good harvest is probably September. Any later than that and your garden orache may not have a chance to grow to maturity. Starting your garden orache indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Grayslake. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Grayslake may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Grayslake you get surprised by a frost after April 15 so make sure that you are prepared to protect your garden orache in the event of a surprise late frost.

USDA Zone Info for Grayslake

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 Grayslake

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