One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's the best time to plant celosia in Orange 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.

It's probably not a good idea to plant celosia until after all chance of frost has passed because they require warm weather.

The earliest that you can plant celosia in Orange is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant celosia and expect a good harvest is probably September. Any later than that and your celosia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your celosia indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Orange. You can expect an average low temperature of 20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Orange may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Orange you get a frost after February 15 be ready to cover your celosia in the event of a surprise late frost.

USDA Zone Info for Orange

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Orange

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