Before planting it is a good idea to find your USDA Zone info to determine 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.

You can estimate when it's the best time to plant oleander in Cambridge by reviewing the USDA zone info.

Planting Calendar for Oleander

Frost tolerance for oleander:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant oleander until after the last frost because they do not do well in cold weather.

The earliest that you can plant oleander in Cambridge is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant oleander and expect a good harvest is probably August. Any later than that and your oleander may not have a chance to really do well. You can get started a couple of weeks earlier by starting your oleander indoors.

Last Frost Date

The average date of last frost is May 15 in Cambridge. It might get as low as -30°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Cambridge may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Cambridge you get a frost after May 15 be ready to protect your oleander if you have one of those late frosts.

USDA Zone Info for Cambridge

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Cambridge

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