Before planting it is a good idea to find your USDA Zone info to figure out 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.

A common way of making a decision about when you can plant celosia is to consult the USDA zone info for Manitowoc.

Planting Calendar for Celosia

Frost tolerance for celosia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since celosia require warm weather you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant celosia in Manitowoc 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 celosia and expect a good harvest is probably August. If you wait any later than that and your celosia may not have a chance to really do well. You can get started a few weeks earlier by starting your celosia indoors.

Last Frost Date

The average date of last frost is April 15 in Manitowoc. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Manitowoc may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Manitowoc you get surprised by a frost after April 15 so always be ready to protect your celosia if you have a surprise late frost.

USDA Zone Info for Manitowoc

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 Manitowoc

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