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.

The best time to plant celosia in Hartford can be determined by looking at the USDA zone info.

Planting Calendar for Celosia

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

You should not plant celosia until after all chance of frost has passed because they require warm weather.

The earliest that you can plant celosia in Hartford 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 grow to maturity. Starting your celosia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Hartford. In the coldest months of winter you should expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Hartford is just an average and the actual date of last frost changes from year to year. Half of the time in Hartford there is a last frost after April 15 so always be ready to cover your celosia if you have one of those late frosts.

USDA Zone Info for Hartford

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Hartford

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