Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when it's possible to plant lotus vine is to check out the USDA zone info for Waltham.

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.

Since lotus vine are barely cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant lotus vine in Waltham 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. Any later than that and your lotus vine may not have a chance to really do well. Starting your lotus vine 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 Waltham. In the coldest months of winter you can expect an average low temperature of -10°F.

Remember that USDA zone info for Waltham is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Waltham last frost occurs after April 15 be ready to cover your lotus vine in the event of a late frost.

USDA Zone Info for Waltham

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Waltham

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