The USDA Zone info is a great tool for gardeners to help us determine 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.

You can figure out when it's the best time to plant lemon balm in Ogdensburg by referring to the USDA zone info.

Planting Calendar for Lemon balm

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

Since lemon 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 lemon balm in Ogdensburg 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 lemon balm and expect a good harvest is probably August. Any later than that and your lemon balm may not have a chance to fully mature. You can get started a little bit earlier by starting your lemon balm indoors.

Last Frost Date

The average date of last frost is May 15 in Ogdensburg. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Ogdensburg 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 Ogdensburg there is a last frost after May 15 be ready to cover your lemon balm in the event of one of those late frosts.

USDA Zone Info for Ogdensburg

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Ogdensburg

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