The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant bougainvillea in Darby should be determined by using the USDA zone info.

Planting Calendar for Bougainvillea

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

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 Darby 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 fully mature. Starting your bougainvillea indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Darby. You should expect an average low temperature of 0°F in the coldest months of winter.

It's important to remember that USDA zone info for Darby 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 Darby you get surprised by a frost after April 15 be ready to cover your bougainvillea if you have one of those late frosts.

USDA Zone Info for Darby

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Darby

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