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.

The USDA zone info for Corning should be reffered to in order to determine when to plant calendula.

Planting Calendar for Calendula

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

Since calendula do well in moderate cold you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant calendula in Corning is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant calendula and expect a good harvest is probably September. You probably don't want to wait any later than that or else your calendula may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your calendula indoors.

Last Frost Date

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

Since the USDA zone info for Corning may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Corning it frosts late in the year after April 15 so make sure that you are prepared to cover your calendula in the event of a surprise late frost.

USDA Zone Info for Corning

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Corning

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