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

The USDA zone info for Rosenberg should be reffered to in order to determine when to plant hibiscus.

Planting Calendar for Hibiscus

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

It's a bad idea to plant hibiscus until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant hibiscus in Rosenberg 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 grow to maturity. You can get started a few weeks earlier by starting your hibiscus indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Rosenberg is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Rosenberg last frost occurs after February 15 be ready to protect your hibiscus in the event of a surprise late frost.

USDA Zone Info for Rosenberg

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 Rosenberg

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