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

A way of determining when it's possible to plant bougainvillea is to use the USDA zone info for Buffalo.

Planting Calendar for Bougainvillea

Frost tolerance for bougainvillea:	Not tolerant of frost.
When to plant:	After the last frost.

Since bougainvillea do not do well in cold weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant bougainvillea in Buffalo 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 bougainvillea and expect a good harvest is probably August. If you wait any later than that and your bougainvillea may not have a chance to really do well. You can get started a few weeks earlier by starting your bougainvillea indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Buffalo is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Buffalo it frosts late in the year after April 15 be ready to protect your bougainvillea in the event of a late frost.

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.