Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Smithville you will be able to determine when to plant bougainvillea.

Planting Calendar for Bougainvillea

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

Bougainvillea are not cold tolerant which tells us that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant bougainvillea in Smithville 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. Any later than that and your bougainvillea may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your bougainvillea indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Smithville is an average and the actual date of last frost will vary from year to year. Half of the time in Smithville there is a last frost after April 15 so be sure to be ready to cover your bougainvillea if you have one of those late frosts.

USDA Zone Info for Smithville

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Smithville

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