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

In Newberg you can estimate when it's the best time to plant bee balm by using the USDA zone info.

Planting Calendar for Bee Balm

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

Since bee balm are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

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

Last Frost Date

The average date of last frost is March 15 in Newberg. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Newberg is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Newberg last frost occurs after March 15 be ready to cover your bee balm in the event of a late frost.

USDA Zone Info for Newberg

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Newberg

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