When to Plant Bougainvillea in Franklin, NH

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when you can plant bougainvillea is to look at the USDA zone info for Franklin.


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 all chance of frost has passed because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bougainvillea
Possibly ok, but a risky time to plant bougainvillea
Probably not a good time to plant bougainvillea

The earliest that you can plant bougainvillea in Franklin 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 few weeks earlier by starting your bougainvillea indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Franklin. You should expect an average low temperature of -20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Franklin is not always accurate and the actual date of last frost is different every year. Half of the time in Franklin you get a frost after April 15 so make sure that you are ready to protect your bougainvillea in the event of a surprise late frost.

USDA Zone Info for Franklin

Here is the info for USDA Zone 5a.

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

Plants to Grow in Franklin

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