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

It's a good idea to determine when to plant celosia by referring to the USDA zone info for Concord.

Planting Calendar for Celosia

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

Since celosia do not do well in cold weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant celosia in Concord 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 couple of weeks earlier by starting your celosia indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Concord is an average and the actual date of last frost is different every year. Since half of the time in Concord last frost occurs after April 15 be ready to cover your celosia if you have a late frost.

USDA Zone Info for Concord

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 Concord

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