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 Chardon you can figure out when to plant four-o-clock flower by checking out the USDA zone info.

Planting Calendar for Four-o-clock flower

Frost tolerance for four-o-clock flower:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since four-o-clock flower do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant four-o-clock flower in Chardon 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 four-o-clock flower and expect a good harvest is probably August. If you wait any later than that and your four-o-clock flower may not have a chance to grow to maturity. Starting your four-o-clock flower 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 Chardon. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Chardon is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Chardon you get surprised by a frost after April 15 be ready to protect your four-o-clock flower in the event of one of those late frosts.

USDA Zone Info for Chardon

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 Chardon

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