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.

You will be able to estimate when to plant sweet sultan by reviewing the USDA zone info for Vandergrift.

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.

Sweet Sultan do ok in moderate cold which tells us that you can start planting them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant sweet sultan in Vandergrift 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. You probably don't want to wait any later than that or else your sweet sultan may not have a chance to fully mature. You can get started a little bit earlier by starting your sweet sultan indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Vandergrift. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Vandergrift is an average the actual date of last frost changes from year to year. Since half of the time in Vandergrift last frost occurs after April 15 be ready to protect your sweet sultan in the event of a surprise late frost.

USDA Zone Info for Vandergrift

Here is the info for USDA Zone 6a.

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

Plants to Grow in Vandergrift

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