One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when to plant sweet sultan by looking at the USDA zone info for Maryville.

Planting Calendar for Sweet Sultan

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

Since sweet sultan are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant sweet sultan in Maryville 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 sweet sultan and expect a good harvest is probably August. Any later than that and your sweet sultan may not have a chance to really do well. You can get started a couple of weeks earlier by starting your sweet sultan indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Maryville. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Maryville is just an average the actual date of last frost will vary from year to year. Half of the time in Maryville it frosts late in the year after April 15 so always be ready to protect your sweet sultan if you have a surprise late frost.

USDA Zone Info for Maryville

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 Maryville

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