Detailed planting guides for Zone 4b based on USDA zone date and last frost date.

The earliest that you can plant corn in Zone 4b is May. However, you really should wait until June if you don't want to take any chances. The last month that you can plant corn and expect a good harvest is probably August. Any later than that and your corn may not have a …

Welcome to FrostDate.com! You have the internet's largest collection of last frost dates by city. You also have guides for planting each plant in your city, as well as for each zone. Start by choosing your state from the list below. Or you can choose your USDA Zone from the list at the bottom of the page.

The average date of last frost is May 15 in Zone 4b. You should expect an average low temperature of -25°F in the coldest months of winter. Remember that USDA zone info for Zone 4b is an average and the actual date of last frost changes from year to year.

Choose Your Zone. Start by choosing your USDA Zone from the list below. Or you can choose your State from the list at the bottom of the page.

The earliest that you can plant jasmine in Zone 4b is May. However, you really should wait until June if you don't want to take any chances. The last month that you can plant jasmine and expect a good harvest is probably August .

The average date of last frost is May 15 in Zone 4b. In the coldest months of winter you can expect an average low temperature of -25°F. Since the USDA zone info for Zone 4b is just an average the actual date of last frost is different every year.

The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area. You can figure out when to plant potatos in Zone 4b by looking at 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. The first opportunity to plant lettuce in Zone 4b can be determined by reviewing 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. You can figure out when it's the best time to plant marigold in Zone 4b by referring to the USDA zone info.