One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

One way of determining when to plant bougainvillea is to check out the USDA zone info for Huron.

Planting Calendar for Bougainvillea

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

It's probably not a good idea to plant bougainvillea until after the last frost because they are not cold tolerant.

The earliest that you can plant bougainvillea in Huron 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 bougainvillea and expect a good harvest is probably September. If you wait any later than that and your bougainvillea may not have a chance to really do well. Starting your bougainvillea indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Huron. In the coldest months of winter you should expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Huron is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Huron last frost occurs after February 15 be ready to protect your bougainvillea in the event of one of those late frosts.

USDA Zone Info for Huron

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Huron

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