Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when you can plant bougainvillea is to consult the USDA zone info for Albert Lea.

Planting Calendar for Bougainvillea

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

Since bougainvillea do not do well in cold weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant bougainvillea in Albert Lea is May. However, you really should wait until June 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. Any later than that and your bougainvillea may not have a chance to grow to maturity. You can get started a little bit earlier by starting your bougainvillea indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Albert Lea. In the coldest months of winter you should expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Albert Lea is not always accurate and the actual date of last frost is different every year. Half of the time in Albert Lea you get a frost after May 15 so just be sure to be ready to protect your bougainvillea if you have one of those late frosts.

USDA Zone Info for Albert Lea

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Albert Lea

You may be interested in your other planting guides for Albert Lea.