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.

The USDA zone info for Youngtown should be reviewed to figure out when you can plant schizanthus.

Planting Calendar for Schizanthus

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

It's probably a bad idea to plant schizanthus until after the last frost because they require warm weather.

The earliest that you can plant schizanthus in Youngtown 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 schizanthus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your schizanthus may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your schizanthus indoors.

Last Frost Date

The average date of last frost is February 15 in Youngtown. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Youngtown may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Youngtown you get a frost after February 15 so be sure to be ready to cover your schizanthus if you have one of those late frosts.

USDA Zone Info for Youngtown

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Youngtown

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