The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Twin Falls you can estimate when it's a good idea to plant celosia by using 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.

Since celosia do not do well in cold weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant celosia in Twin Falls 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. Any later than that and your celosia may not have a chance to grow to maturity. If you are starting your celosia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Twin Falls the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Twin Falls 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 Twin Falls last frost occurs after April 15 so be sure to be ready to protect your celosia if you have one of those late frosts.

USDA Zone Info for Twin Falls

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 Twin Falls

You may be interested in your other planting guides for Twin Falls.