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

The best time to plant hibiscus in Manassas should be estimated by checking out the USDA zone info.

Planting Calendar for Hibiscus

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

Since hibiscus require warm weather it's necessary to wait until after all chance of frost has passed before you can plant them.

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

The last month that you can plant hibiscus and expect a good harvest is probably August. If you wait 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

On average the last frost when the weather gets warmer is on April 15 in Manassas. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Manassas may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Manassas you get surprised by a frost after April 15 so be sure to be ready to protect your hibiscus if you have one of those late frosts.

USDA Zone Info for Manassas

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Manassas

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