One of the first steps you take when you are figuring out your gardening schedule is find your 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.

It's a good idea to determine when you can plant schizanthus by reviewing the USDA zone info for Harrah.

Planting Calendar for Schizanthus

Frost tolerance for schizanthus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Schizanthus are not cold tolerant which means that it's important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant schizanthus in Harrah 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. If you wait any later than that and your schizanthus may not have a chance to grow to maturity. If you are starting your schizanthus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Harrah the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Harrah is an average the actual date of last frost changes from year to year. Since half of the time in Harrah last frost occurs after April 15 be ready to cover your schizanthus if you have one of those late frosts.

USDA Zone Info for Harrah

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Harrah

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