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

A common way of making a decision about when it's the best time to plant flower-of-an-hour is to look at the USDA zone info for Buffalo.

Planting Calendar for Flower-of-an-Hour

Frost tolerance for flower-of-an-hour:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Flower-of-an-Hour can survive in very little cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant flower-of-an-hour in Buffalo 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 flower-of-an-hour and expect a good harvest is probably August. You probably don't want to wait any later than that or else your flower-of-an-hour may not have a chance to grow to maturity. You can get started a little bit earlier by starting your flower-of-an-hour indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Buffalo is not always accurate and the actual date of last frost changes from year to year. Half of the time in Buffalo you get surprised by a frost after April 15 so be sure to be ready to protect your flower-of-an-hour in the event of one of those late frosts.

USDA Zone Info for Buffalo

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 Buffalo

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