When to Plant Celosia in Oakley, CA

The USDA Zone info is a great tool for gardeners to help us estimate 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.

You can estimate when you can plant celosia in Oakley by reviewing the USDA zone info.


Planting Calendar for Celosia

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

Since celosia require warm weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant celosia
Possibly ok, but a risky time to plant celosia
Probably not a good time to plant celosia

The earliest that you can plant celosia in Oakley 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 really do well. You can get started a few weeks earlier by starting your celosia indoors.

Last Frost Date

In Oakley the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Oakley is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Oakley last frost occurs after February 15 so always be ready to protect your celosia if you have a surprise late frost.

USDA Zone Info for Oakley

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Oakley

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