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

A way of getting a good idea when it's the best time to plant mecardonia is to look at the USDA zone info for Urbana.

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 you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant mecardonia in Urbana 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. You probably don't want to wait any later than that or else your mecardonia may not have a chance to fully mature. Starting your mecardonia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Urbana. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Urbana 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 Urbana it frosts late in the year after April 15 be ready to cover your mecardonia if you have a late frost.

USDA Zone Info for Urbana

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 Urbana

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