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.

The earliest that you can plant bougainvillea in Royal Oak can be figured out by referring to the USDA zone info.

Planting Calendar for Bougainvillea

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

It's a bad idea to plant bougainvillea until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant bougainvillea in Royal Oak 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. You probably don't want to wait any later than that or else your bougainvillea may not have a chance to fully mature. You can get started a little bit earlier by starting your bougainvillea indoors.

Last Frost Date

The average date of last frost is April 15 in Royal Oak. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Royal Oak may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Royal Oak there is a last frost after April 15 so just be sure to be ready to protect your bougainvillea if you have a surprise late frost.

USDA Zone Info for Royal Oak

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 Royal Oak

You may be interested in your other planting guides for Royal Oak.