When to Plant Garden Orache in Mattoon, IL

One of the first steps you take when you are determining 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 USDA zone info for Mattoon can be read to determine when it's possible to plant garden orache.


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 can survive in mild cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant garden orache
Possibly ok, but a risky time to plant garden orache
Probably not a good time to plant garden orache

The earliest that you can plant garden orache in Mattoon 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

In Mattoon the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Mattoon and it will vary from year to year. Half of the time in Mattoon you get surprised by a frost after April 15 so just be sure to be ready to cover your garden orache in the event of a surprise late frost.

USDA Zone Info for Mattoon

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Mattoon

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