The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when it's the best time to plant celosia is to consult the USDA zone info for Prineville.

Planting Calendar for Celosia

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

You can not plant celosia until after the last frost because they are not cold tolerant.

The earliest that you can plant celosia in Prineville 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. You can get started a little bit earlier by starting your celosia indoors.

Last Frost Date

The average date of last frost is April 15 in Prineville. In the coldest months of winter you should expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Prineville is just an average and the actual date of last frost changes from year to year. Half of the time in Prineville you get surprised by a frost after April 15 so make sure that you are ready to cover your celosia in the event of a late frost.

USDA Zone Info for Prineville

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 Prineville

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