Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when to plant tropical hibiscus by checking out the USDA zone info for Alvin.

Planting Calendar for Tropical Hibiscus

Frost tolerance for tropical hibiscus:	Not tolerant of frost.
When to plant:	After the last frost.

You should not plant tropical hibiscus until after the last frost because they are not cold tolerant.

The earliest that you can plant tropical hibiscus in Alvin 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 tropical hibiscus and expect a good harvest is probably September. Any later than that and your tropical hibiscus may not have a chance to really do well. Starting your tropical hibiscus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Alvin the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Alvin may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Alvin you get surprised by a frost after February 15 be ready to protect your tropical hibiscus if you have a late frost.

USDA Zone Info for Alvin

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 Alvin

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