The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Topeka you can figure out when it's possible to plant sweet sultan by using the USDA zone info.

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 tend to make it in some cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant sweet sultan in Topeka 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 fully mature. 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 Topeka. You can expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Topeka is just an average and the actual date of last frost is different every year. Since half of the time in Topeka last frost occurs after April 15 be ready to cover your sweet sultan in the event of one of those late frosts.

USDA Zone Info for Topeka

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 Topeka

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