When to Plant Sweet Sultan in Greenville, IL

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when to plant sweet sultan is to refer to the USDA zone info for Greenville.


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 do ok in moderate cold you can plant them just a tiny bit earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant sweet sultan
Possibly ok, but a risky time to plant sweet sultan
Probably not a good time to plant sweet sultan

The earliest that you can plant sweet sultan in Greenville 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 little bit earlier by starting your sweet sultan indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Greenville. You can expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Greenville is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Greenville you get a frost after April 15 so just be sure to be ready to protect your sweet sultan in the event of a surprise late frost.

USDA Zone Info for Greenville

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 Greenville

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