When to Plant Bougainvillea in Saco, ME

One of the best tools that you have as gardeners to help us figure out 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.

You can determine when it's the best time to plant bougainvillea in Saco 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 has passed.

You really shouldn't 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 Saco 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 really do well. You can get started a few weeks earlier by starting your bougainvillea indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Saco is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Saco you get surprised by a frost after April 15 be ready to protect your bougainvillea in the event of one of those late frosts.

USDA Zone Info for Saco

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 Saco

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