The USDA Zone info is a great tool for gardeners to help us estimate 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 to plant heuchera in Ogdensburg by using the USDA zone info.

Planting Calendar for Heuchera

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

You can plant heuchera a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant heuchera 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 heuchera and expect a good harvest is probably August. You probably don't want to wait any later than that or else your heuchera may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your heuchera 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 the actual date of last frost is just an average because it is based on the USDA zone info for Ogdensburg and it changes from year to year. Half of the time in Ogdensburg there is a last frost after May 15 so make sure that you are prepared to cover your heuchera in the event of a surprise late frost.

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.