One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Grandville you can figure out when it's possible to plant four o' clock by checking out the USDA zone info.

Planting Calendar for Four O' Clock

Frost tolerance for four o' clock:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant four o' clock until after the last frost because they do not do well in cold weather.

The earliest that you can plant four o' clock in Grandville 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 and expect a good harvest is probably August. You probably don't want to wait any later than that or else your four o' clock may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your four o' clock indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Grandville is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Grandville you get a frost after April 15 be ready to protect your four o' clock if you have a late frost.

USDA Zone Info for Grandville

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 Grandville

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