When to Plant Schizanthus in Frankfort, IN

One of the best tools that you have as gardeners to help us determine 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.

By referring to the USDA zone info for Frankfort it's a good idea to determine when it's possible to plant schizanthus.


Planting Calendar for Schizanthus

Frost tolerance for schizanthus: Not tolerant of frost.
When to plant: After all chance of frost has passed.

You can not plant schizanthus until after the last frost because they require warm weather.

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

The earliest that you can plant schizanthus in Frankfort is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant schizanthus and expect a good harvest is probably August. Any later than that and your schizanthus may not have a chance to grow to maturity. You can get started a little bit earlier by starting your schizanthus indoors.

Last Frost Date

The average date of last frost is April 15 in Frankfort. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Frankfort is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Frankfort it frosts late in the year after April 15 so always be ready to protect your schizanthus if you have a late frost.

USDA Zone Info for Frankfort

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Frankfort

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