One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Ogdensburg it's a good idea to estimate when to plant garden mums.

Planting Calendar for Garden Mums

Frost tolerance for garden mums:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Garden Mums do well in mild cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant garden mums in Ogdensburg 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 garden mums and expect a good harvest is probably August. If you wait any later than that and your garden mums may not have a chance to really do well. You can get started a couple of weeks earlier by starting your garden mums indoors.

Last Frost Date

The average date of last frost is May 15 in Ogdensburg. You can expect an average low temperature of -25°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Ogdensburg and it changes from year to year. Since half of the time in Ogdensburg you get a frost after May 15 be ready to cover your garden mums if you have 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.