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 Magnolia can be reviewed to figure out when it's the best time to plant pentas.

Planting Calendar for Pentas

Frost tolerance for pentas:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since pentas do not do well in cold weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant pentas in Magnolia 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 pentas and expect a good harvest is probably August. Any later than that and your pentas may not have a chance to really do well. You can get started a little bit earlier by starting your pentas indoors.

Last Frost Date

In Magnolia the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Magnolia 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 Magnolia it frosts late in the year after March 15 so make sure that you are prepared to protect your pentas if you have one of those late frosts.

USDA Zone Info for Magnolia

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Magnolia

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