Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Marion you can figure out when it's a good idea to plant calibrachoa by looking at the USDA zone info.

Planting Calendar for Calibrachoa

Frost tolerance for calibrachoa:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant calibrachoa slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant calibrachoa in Marion 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 calibrachoa and expect a good harvest is probably August. If you wait any later than that and your calibrachoa may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your calibrachoa indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Marion. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Marion may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Marion it frosts late in the year after April 15 so make sure that you are prepared to protect your calibrachoa if you have one of those late frosts.

USDA Zone Info for Marion

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Marion

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