When to Plant Mecardonia in Granite City, IL

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Granite City you can figure out when you can plant mecardonia by referring to the USDA zone info.


Planting Calendar for Mecardonia

Frost tolerance for mecardonia: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since mecardonia do not do well in cold weather it is important to wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant mecardonia in Granite City is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant mecardonia and expect a good harvest is probably August. Any later than that and your mecardonia may not have a chance to fully mature. Starting your mecardonia 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 Granite City. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Granite City may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Granite City you get a frost after April 15 be ready to protect your mecardonia in the event of a surprise late frost.

USDA Zone Info for Granite City

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 Low0°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 Granite City

You may be interested in your other planting guides for Granite City.