When to Plant Hibiscus in Atwater, CA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's a good idea to plant hibiscus in Atwater by looking at the USDA zone info.


Planting Calendar for Hibiscus

Frost tolerance for hibiscus: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since hibiscus require warm weather you must wait until after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant hibiscus in Atwater 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 hibiscus and expect a good harvest is probably September. Any later than that and your hibiscus may not have a chance to fully mature. Starting your hibiscus indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Atwater. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Atwater is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Atwater it frosts late in the year after February 15 be ready to protect your hibiscus if you have one of those late frosts.

USDA Zone Info for Atwater

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 Low20°F
Highest Expected Low25°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 Atwater

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