The USDA Zone info is a great tool for gardeners to help us figure out 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 lotus vine in South Portland can be estimated by referring to the USDA zone info.

Planting Calendar for Lotus Vine

Frost tolerance for lotus vine:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant lotus vine slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant lotus vine in South Portland 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 lotus vine and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lotus vine may not have a chance to grow to maturity. If you are starting your lotus vine indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Since the USDA zone info for South Portland is an average the actual date of last frost can change quite a bit from year to year. Half of the time in South Portland you get surprised by a frost after April 15 so be sure to be ready to protect your lotus vine in the event of a surprise late frost.

USDA Zone Info for South Portland

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 South Portland

You may be interested in your other planting guides for South Portland.